Major-oxide, minor-oxide, trace-element, and geochemical data from rocks collected in 2010 in the Tolovana mining district, Livengood B-3 and B-4 quadrangles, Alaska

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What does this data set describe?

Title:
Major-oxide, minor-oxide, trace-element, and geochemical data from rocks collected in 2010 in the Tolovana mining district, Livengood B-3 and B-4 quadrangles, Alaska
Abstract:
Mineral-resources personnel from the Alaska Division of Geological & Geophysical Surveys carried out a geological field survey, including mapping and sampling near Livengood in the Livengood B-3 and B-4 quadrangles, Alaska from June 10 to June 30, 2010. The fieldwork provides basic information critical to building an understanding of Alaska’s geology and is part of an integrated program of airborne geophysical surveys followed by geological mapping. During 2010, 130 rock samples were collected for geochemical trace-element analysis, and 20 rock samples were collected for whole rock (major- and minor-oxide) analysis. Petrogenetically important trace elements for additional rock samples will be analyzed and published with the final map and report for this area.
Supplemental_Information:
The data are available in tabular format as comma delimited ascii files organized into two layers as described in this metadata file under the "Entity_and_Attribute_Information" section. The layers are as follows: 
trace-element-samples	sample number with location and description, geochemical data, analytical methods and detection limits of data ('trace-element-samples.csv' of the digital data distribution package). In print format these data are separated into three separate tables in order to facilitate more efficient printing: Table 1 contains sample number with location and description; Table 2 contains all analytical data of trace-element analyses; Table 5 summarizes the analytical limits and methods.
whole-rock-samples	sample locations and descriptions, geochemical data, analytical methods and detection limits ('whole-rock-samples.csv' of the digital data distribution package). In print format these data are separated into three separate tables in order to facilitate more efficient printing: Table 3 contains sample number with location and description; Table 4 contains all analytical data of major- and minor-oxide, and trace-element analysis; Table 6 summarizes the analytical limits and methods.
  1. How should this data set be cited?

    Griesel, G.A., Szumigala, D.J., Elliott, B.A., Freeman, L.K., Newberry, R.J, and Werdon, M.B., 2010, Major-oxide, minor-oxide, trace-element, and geochemical data from rocks collected in 2010 in the Tolovana mining district, Livengood B-3 and B-4 quadrangles, Alaska: Raw Data File RDF 2010-3, State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys, Fairbanks, AK, USA.

    Online Links:

    Other_Citation_Details: 31 p.

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -148.99900
    East_Bounding_Coordinate: -148.24700
    North_Bounding_Coordinate: 66.49890
    South_Bounding_Coordinate: 65.26300

  3. What does it look like?

  4. Does the data set describe conditions during a particular time period?

    Beginning_Date: 09-Jun-2010
    Ending_Date: 30-Jun-2010
    Currentness_Reference: ground condition

  5. What is the general form of this data set?

    Geospatial_Data_Presentation_Form: tabular digital data, report

  6. How does the data set represent geographic features?

    1. How are geographic features stored in the data set?

      This is a Point data set.

    2. What coordinate system is used to represent geographic features?

      Grid_Coordinate_System_Name: Universal Transverse Mercator
      Universal_Transverse_Mercator:
      UTM_Zone_Number: 6
      Transverse_Mercator:
      Scale_Factor_at_Central_Meridian: 1
      Longitude_of_Central_Meridian: -147.000
      Latitude_of_Projection_Origin: 0
      False_Easting: 500000
      False_Northing: 0

      Planar coordinates are encoded using coordinate pair
      Abscissae (x-coordinates) are specified to the nearest 1
      Ordinates (y-coordinates) are specified to the nearest 1
      Planar coordinates are specified in meters

      The horizontal datum used is North American Datum of 1927.
      The ellipsoid used is Clarke 1866.
      The semi-major axis of the ellipsoid used is 6378137.
      The flattening of the ellipsoid used is 1/298.25722210088.

  7. How does the data set describe geographic features?

    trace-element-samples.csv
    Location and description of rock samples, analytical data, detection limitis and methods for trace-element geochemical analyses in the Tolovana mining district, Livengood Quadrangle, Alaska (Source: Alaska Division of Geological & Geophysical Surveys and ALS CHEMEX)

    Sample Number
    Unique sample identifier (Source: Alaska Division of Geological & Geophysical Surveys)

    Generic example of unique sample identifier: 20YYAAA9999X: YY=last two digits of year, AAA=geologist's initials (one to three characters), 9999=unique station number, X=unique alpha character designating a sample was taken at the field station. Geologists' initials represent the following: 'LF' = Larry Freeman; 'MBW' = Melanie Werdon; 'RN' = Rainer Newberry; 'Z' = David Szumigala; 'GG' = Gerry Griesel; 'BAE' = Brent Elliott.

    Latitude
    Latitude (Source: Alaska Division of Geological & Geophysical Surveys)

    Range of values
    Minimum:65.26300
    Maximum:66.49890
    Units:decimal degrees

    Latitude in decimal degrees, NAD 27

    Longitude
    Longitude (Source: Alaska Division of Geological & Geophysical Surveys)

    Range of values
    Minimum:-148.24700
    Maximum:-148.99900
    Units:decimal degrees

    Longitude in decimal degrees, NAD 27

    UTM E
    Easting (Source: Alaska Division of Geological & Geophysical Surveys)

    Range of values
    Minimum:407317
    Maximum:442233
    Units:meters

    Easting for UTM Zone 6, NAD 27

    UTM N
    Northing (Source: Alaska Division of Geological & Geophysical Surveys)

    Range of values
    Minimum:7246720
    Maximum:7265049
    Units:meters

    Northing for UTM Zone 6, NAD 27

    Zone
    UTM Zone (Source: Alaska Division of Geological & Geophysical Surveys)

    06N is UTM zone for all samples in this data set

    Description
    Brief rock description (Source: Alaska Division of Geological & Geophysical Surveys)

    Brief rock description

    Au
    Gold values acquired by analysis with inductive coupled plasma-atomic emission spectroscopy inductive coupled plasma-mass spectroscopy following a 30g fire assay fusion and shown in parts per million (ppm).Lower detection limit = 0.001; Upper detection limit = 10; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <0.001Below detection limit of 0.001 ppm

    Range of values
    Minimum:0.001
    Maximum:2.2
    Units:ppm

    Ag
    Silver values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.01; Upper detection limit = 100; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:0.01
    Maximum:51.2
    Units:ppm

    Al
    Aluminum values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in percent following a 4 acid digestion of HNO3-HClO4-HF + HCl.Possibly incomplete digestion for this element, depending on mineralogy of sample, may result in lower analytical results.Lower detection limit = 0.01 Upper detection limit = 50; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:0.11
    Maximum:10.95
    Units:%

    As
    Arsenic values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Volatilization during fuming may result in some loss of certain elements.Lower detection limit = 0.2; Upper detection limit = 10000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    >10000Above upper detection limit of 10000 ppm

    Range of values
    Minimum:0.5
    Maximum:7380
    Units:ppm

    Ba
    Barium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Possibly incomplete digestion for this element, depending on mineralogy of sample, may result in lower analytical results.Lower detection limit = 10; Upper detection limit = 10000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:10
    Maximum:1820
    Units:ppm

    Be
    Beryllium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Possibly incomplete digestion for this element, depending on mineralogy of sample, may result in lower analytical results.Lower detection limit = 0.05; Upper detection limit = 1000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <0.05Below detection limit of 0.05 ppm

    Range of values
    Minimum:0.05
    Maximum:3.55
    Units:ppm

    Bi
    Bismuth values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.01; Upper detection limit = 10000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:0.02
    Maximum:3730
    Units:ppm

    Ca
    Calcium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in percent following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.01; Upper detection limit = 50; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:0.01
    Maximum:20.9
    Units:%

    Cd
    Cadmium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.02; Upper detection limit = 1000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <0.02Below detection limit of 0.02 ppm

    Range of values
    Minimum:0.03
    Maximum:8.86
    Units:ppm

    Ce
    Cerium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.02; Upper detection limit = 1000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:0.13
    Maximum:276
    Units:ppm

    Co
    Cobalt values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.1; Upper detection limit = 10000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:0.5
    Maximum:107.5
    Units:ppm

    Cr
    Chromium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Possibly incomplete digestion for this element, depending on mineralogy of sample, may result in lower analytical results.Lower detection limit = 1; Upper detection limit = 10000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:4
    Maximum:2240
    Units:ppm

    Cs
    Cesium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.05; Upper detection limit = 500; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <0.05Below detection limit of 0.05 ppm

    Range of values
    Minimum:0.05
    Maximum:27.5
    Units:ppm

    Cu
    Copper values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.2; Upper detection limit = 10000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:2.9
    Maximum:1375
    Units:ppm

    Fe
    Iron values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in percent following a 4 acid digestion of HNO3-HClO4-HF + HCl.Possibly incomplete digestion for this element, depending on mineralogy of sample, may result in lower analytical results.Lower detection limit = 0.01; Upper detection limit = 50; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:0.41
    Maximum:22.6
    Units:ppm

    Ga
    Gallium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.05; Upper detection limit = 500; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:0.45
    Maximum:29.3
    Units:ppm

    Ge
    Germanium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.05; Upper detection limit = 500; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <0.05Below detection limit of 0.05 ppm

    Range of values
    Minimum:0.16
    Maximum:0.4
    Units:ppm

    Hf
    Halfnium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.1; Upper detection limit = 500; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <0.1Below detection limit of 0.1 ppm

    Range of values
    Minimum:0.1
    Maximum:19.4
    Units:ppm

    In
    Indium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.1; Upper detection limit = 500; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <0.005Below detection limit of 0.1 ppm

    Range of values
    Minimum:0.005
    Maximum:6.57
    Units:ppm

    K
    Potassium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in percent following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.01; Upper detection limit = 10; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:0.01
    Maximum:4.91
    Units:%

    La
    Lanthanum values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.5 Upper detection limit = 10000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <0.5Below detection limit of 0.5 ppm

    Range of values
    Minimum:0.5
    Maximum:153
    Units:ppm

    Li
    Lithium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.01; Upper detection limit = 10; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:0.6
    Maximum:219
    Units:ppm

    Mg
    Magnesium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in percent following a 4 acid digestion of HNO3-HClO4-HF + HCl.Possibly incomplete digestion for this element, depending on mineralogy of sample, may result in lower analytical results.Lower detection limit = 0.01; Upper detection limit = 50; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:0.01
    Maximum:21.9
    Units:%

    Mn
    Manganese values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Possibly incomplete digestion for this element, depending on mineralogy of sample, may result in lower analytical results.Lower detection limit = 5; Upper detection limit = 100000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:28
    Maximum:4390
    Units:ppm

    Mo
    Molybdenum values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.05; Upper detection limit = 10000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:0.13
    Maximum:281
    Units:ppm

    Na
    Sodium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in percent following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.01; Upper detection limit = 10; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <.01Below detection limit of .01%

    Range of values
    Minimum:0.01
    Maximum:5.84
    Units:%

    Nb
    Niobium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in percent following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.01; Upper detection limit = 10; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:0.01
    Maximum:72.7
    Units:%

    Ni
    Nickel values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.2; Upper detection limit = 10000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:1.7
    Maximum:2040
    Units:ppm

    P
    Phosphorus values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 10; Upper detection limit = 10000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:10
    Maximum:2960
    Units:ppm

    Pb
    Lead values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.5; Upper detection limit = 10000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <0.5Below detection limit of 0.5 ppm

    Range of values
    Minimum:0.6
    Maximum:570
    Units:ppm

    Rb
    Rubidium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.1; Upper detection limit = 10000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <0.1Below detection limit of 0.1 ppm

    Range of values
    Minimum:0.1
    Maximum:329
    Units:ppm

    Re
    Rhenium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.002; Upper detection limit = 50; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <0.002Below detection limit of 0.002 ppm

    Range of values
    Minimum:0.002
    Maximum:0.002
    Units:ppm

    S
    Sulfur values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in percent following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.01; Upper detection limit = 10; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <0.01Below detection limit of 0.01 %
    >10.0Above upper detection limit of 10.0%

    Range of values
    Minimum:0.01
    Maximum:2.85
    Units:ppm

    Sb
    Antimony values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Volatilization during fuming may result in some loss of certain elements.Lower detection limit = 0.05; Upper detection limit = 10000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:0.05
    Maximum:106
    Units:ppm

    Sc
    Scandium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.1; Upper detection limit = 10000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:0.2
    Maximum:34.4
    Units:ppm

    Se
    Selenium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 1; Upper detection limit = 1000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <1Below detection limit of 1 ppm

    Range of values
    Minimum:1
    Maximum:24
    Units:ppm

    Sn
    Tin values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Possibly incomplete digestion for this element, depending on mineralogy of sample, may result in lower analytical results.Lower detection limit = 0.2; Upper detection limit = 500; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <0.2Below detection limit of 0.2 ppm

    Range of values
    Minimum:0.2
    Maximum:144
    Units:ppm

    Sr
    Strontium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.2; Upper detection limit = 10000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:1.5
    Maximum:1575
    Units:ppm

    Ta
    Tantalum values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Possibly incomplete digestion for this element, depending on mineralogy of sample, may result in lower analytical results.Lower detection limit = 0.05; Upper detection limit = 100; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <0.05Below detection limit of 0.05 ppm

    Range of values
    Minimum:0.05
    Maximum:5.69
    Units:ppm

    Te
    Tellerium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Possibly incomplete digestion for this element, depending on mineralogy of sample, may result in lower analytical results.Lower detection limit = 0.05; Upper detection limit = 500; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <0.05Below detection limit of 0.05 ppm

    Range of values
    Minimum:0.05
    Maximum:20.6
    Units:ppm

    Th
    Thorium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.2; Upper detection limit = 10000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex)

    ValueDefinition
    <0.2Below detection limit of 0.2 ppm

    Range of values
    Minimum:0.2
    Maximum:34.8
    Units:ppm

    Ti
    Titanium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in percent following a 4 acid digestion of HNO3-HClO4-HF + HCl.Possibly incomplete digestion for this element, depending on mineralogy of sample, may result in lower analytical results.Lower detection limit = 0.005; Upper detection limit = 10; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <0.005Below detection limit of 0.005 %

    Range of values
    Minimum:0.444
    Maximum:0.811
    Units:ppm

    Tl
    Thallium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.02; Upper detection limit = 10000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <0.02Below detection limit of 0.02 ppm

    Range of values
    Minimum:0.28
    Maximum:7.41
    Units:ppm

    U
    Uranium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.1; Upper detection limit = 10000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <0.1Below detection limit of 0.1 ppm

    Range of values
    Minimum:0.8
    Maximum:13.7
    Units:ppm

    V
    Vanadium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 1; Upper detection limit = 10000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:1
    Maximum:842
    Units:ppm

    W
    Tungsten values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Possibly incomplete digestion for this element, depending on mineralogy of sample, may result in lower analytical results.Lower detection limit = 0.1; Upper detection limit = 10000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:0.1
    Maximum:189
    Units:ppm

    Y
    Yttrium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 0.1; Upper detection limit = 500; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:0.2
    Maximum:75.4
    Units:ppm

    Zn
    Zinc values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Lower detection limit = 2; Upper detection limit = 10000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <2Below detection limit of 2 ppm

    Range of values
    Minimum:2
    Maximum:4510
    Units:ppm

    Zr
    Zirconium values acquired by analysis with inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) and shown in parts per million (ppm) following a 4 acid digestion of HNO3-HClO4-HF + HCl.Possibly incomplete digestion for this element, depending on mineralogy of sample, may result in lower analytical results.Lower detection limit = 0.5; Upper detection limit = 500; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <0.5Below detection limit of 0.5 ppm
    >500Above upper detection limit of 500 ppm

    Range of values
    Minimum:0.6
    Maximum:324
    Units:ppm

    whole-rock-samples.csv
    Location and description of rock samples, analytical data, detection limitis and methods whole-rock major-oxide, minor-oxide, and trace-element analyses in the Tolovana mining district, Livengood Quadrangle, Alaska. (Source: Alaska Division of Geological & Geophysical Surveys and ALS CHEMEX)

    Sample Number
    Unique sample identifier (Source: Alaska Division of Geological & Geophysical Surveys)

    Generic example of unique sample identifier: 20YYAAA9999X: YY=last two digits of year, AAA=geologist's initials (one to three characters), 9999=unique station number, X=unique alpha character designating a sample was taken at the field station. Geologists' initials represent the following: 'LF' = Larry Freeman; 'MBW' = Melanie Werdon; 'RN' = Rainer Newberry; 'Z' = David Szumigala; 'GG' = Gerry Griesel; 'BAE' = Brent Elliott.

    Latitude
    Latitude (Source: Alaska Division of Geological & Geophysical Surveys)

    Range of values
    Minimum:65.263
    Maximum:65.4989
    Units:decimal degrees

    Latitude in decimal degrees, NAD 27

    Longitude
    Longitude (Source: Alaska Division of Geological & Geophysical Surveys)

    Range of values
    Minimum:-148.3699
    Maximum:-148.9925
    Units:decimal degrees

    Longitude in decimal degrees, NAD 27

    UTM E
    Easting (Source: Alaska Division of Geological & Geophysical Surveys)

    Range of values
    Minimum:407524
    Maximum:436583
    Units:meters

    Easting for UTM Zone 6, NAD 27

    UTM N
    Northing (Source: Alaska Division of Geological & Geophysical Surveys)

    Range of values
    Minimum:7238944
    Maximum:7264732
    Units:meters

    Northing for UTM Zone 6, NAD 27

    Zone
    UTM Zone (Source: Alaska Division of Geological & Geophysical Surveys)

    06N is UTM zone for all samples in this data set

    Description
    Brief rock description (Source: Alaska Division of Geological & Geophysical Surveys)

    Brief rock description

    SiO2
    SiO2 values acquired by analysis with lithium borate fusion and X-ray fluorescence spectrometry (LBF-XRF) and shown in percent.Lower detection limit = 0.01; Upper detection limit = 100; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:39.79
    Maximum:70.24
    Units:%

    Al2O3
    Al2O3 values acquired by analysis with lithium borate fusion and X-ray fluorescence spectrometry (LBF-XRF) and shown in percent. Lower detection limit = 0.01; Upper detection limit = 100; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:13.04
    Maximum:28.62
    Units:%

    Fe2O3
    Fe2O3 values acquired by analysis with lithium borate fusion and X-ray fluorescence spectrometry (LBF-XRF) and shown in percent. All iron is expressed as Fe2O3. Lower detection limit = 0.01; Upper detection limit = 100; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:1.24
    Maximum:12.91
    Units:%

    CaO
    CaO values acquired by analysis with lithium borate fusion and X-ray fluorescence spectrometry (LBF-XRF) and shown in percent. Lower detection limit = 0.01; Upper detection limit = 100; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:0.02
    Maximum:18.12
    Units:%

    MgO
    MgO values acquired by analysis with lithium borate fusion and X-ray fluorescence spectrometry (LBF-XRF) and shown in percent. Lower detection limit = 0.01; Upper detection limit = 100; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:0.2
    Maximum:12.44
    Units:%

    Na2O
    Na2O values acquired by analysis with lithium borate fusion and X-ray fluorescence spectrometry (LBF-XRF) and shown in percent. Lower detection limit = 0.01; Upper detection limit = 100; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:0.13
    Maximum:5.73
    Units:%

    K2O
    K2O values acquired by analysis with lithium borate fusion and X-ray fluorescence spectrometry (LBF-XRF) and shown in percent. Lower detection limit = 0.01; Upper detection limit = 100; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:0.04
    Maximum:5.78
    Units:%

    Cr2O3
    Cr2O3 values acquired by analysis with lithium borate fusion and X-ray fluorescence spectrometry (LBF-XRF) and shown in percent. Lower detection limit = 0.01; Upper detection limit = 100; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <0.01Below detection limit of 0.01 %

    Range of values
    Minimum:0.01
    Maximum:0.18
    Units:%

    TiO2
    TiO2 values acquired by analysis with lithium borate fusion and X-ray fluorescence spectrometry (LBF-XRF) and shown in percent. Lower detection limit = 0.01; Upper detection limit = 100; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:0.04
    Maximum:1.81
    Units:%

    MnO
    MnO values acquired by analysis with lithium borate fusion and X-ray fluorescence spectrometry (LBF-XRF) and shown in percent. Lower detection limit = 0.01; Upper detection limit = 100; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:0.03
    Maximum:0.22
    Units:%

    P2O5
    P2O5 values acquired by analysis with lithium borate fusion and X-ray fluorescence spectrometry (LBF-XRF) and shown in percent. Lower detection limit = 0.01; Upper detection limit = 100; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:0.012
    Maximum:0.691
    Units:%

    SrO
    SrO values acquired by analysis with lithium borate fusion and X-ray fluorescence spectrometry (LBF-XRF) and shown in percent. Lower detection limit = 0.01; Upper detection limit = 100; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:0.01
    Maximum:0.11
    Units:%

    BaO
    BaO values acquired by analysis with lithium borate fusion and X-ray fluorescence spectrometry (LBF-XRF) and shown in percent. Lower detection limit = 0.01; Upper detection limit = 100; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <0.01Below detection limit of 0.01 %

    Range of values
    Minimum:0.01
    Maximum:0.25
    Units:%

    LOI
    Loss on ignition (LOI) values expressing loss of mass determined by gravimetric measurement after heating to 1000 degrees Celsius and shown in percent. Lower detection limit = 0.01; Upper detection limit = 100; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:0.41
    Maximum:7.99
    Units:%

    Total
    Calculated total for oxides in sample. Shown in percent. Calculated sum of all oxide data. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:98.17
    Maximum:99.92
    Units:%

    Nb
    Niobium values acquired by analysis with x-ray flourescence spectrometry (XRF) of pressed-pellets (finely ground sample powder is mixed with a few drops of liquid binder and compressed) and shown in parts per million (ppm). Lower detection limit = 2; Upper detection limit = 10000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <2Below detection limit of 2 ppm

    Range of values
    Minimum:2
    Maximum:114
    Units:ppm

    Rb
    Rubidium values acquired by analysis with x-ray flourescence spectrometry (XRF) of pressed-pellets (finely ground sample powder is mixed with a few drops of liquid binder and compressed) and shown in parts per million (ppm). Lower detection limit = 2; Upper detection limit = 10000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <2Below detection limit of 2 ppm

    Range of values
    Minimum:2
    Maximum:259
    Units:ppm

    Sr
    Strontium values acquired by analysis with x-ray flourescence spectrometry (XRF) of pressed-pellets (finely ground sample powder is mixed with a few drops of liquid binder and compressed) and shown in parts per million (ppm). Lower detection limit = 2; Upper detection limit = 10000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:12
    Maximum:970
    Units:ppm

    Y
    Yttrium values acquired by analysis with x-ray flourescence spectrometry (XRF) of pressed-pellets (finely ground sample powder is mixed with a few drops of liquid binder and compressed) and shown in parts per million (ppm). Lower detection limit = 2; Upper detection limit = 10000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    Range of values
    Minimum:7
    Maximum:124
    Units:ppm

    Zr
    Zirconium values of acquired by of analysis with x-ray flourescence spectrometry (XRF) of pressed-pellets (finely ground sample powder is mixed with a few drops of liquid binder and compressed) and shown in parts per million (ppm). Lower detection limit = 2; Upper detection limit = 10000; these indicate the minimal and maximum concentrations that can be accurately determined. (Source: Alaska Division of Geological & Geophysical Surveys and ALS Chemex.)

    ValueDefinition
    <2Below detection limit of 2 ppm

    Range of values
    Minimum:2
    Maximum:1780
    Units:ppm

    Entity_and_Attribute_Overview:
    RDF 2010 has two entities containing attributes that need to be defined. The entities are grouped in two thematic layers; trace element geochemistry layer and whole-rock geochemistry layer.Each layer contains a sample number with location in both latitude and longitude and UTM cooridinates, and a brief description of the sample.The geochemical analysis data for each sample indicates the specific trace-element and/or major- and minor-oxide concentration along with the analytical methods and detection limits of each value.
    Entity_and_Attribute_Detail_Citation: This report

Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)

  2. Who also contributed to the data set?

    This project is part of the Alaska Airborne Geophysical/Geological Mineral Inventory Program funded by the Alaska State Legislature and managed by State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys.

  3. To whom should users address questions about the data?

Why was the data set created?

The analyses in this report were acquired as part of a geologic mapping program, the purpose of which is to provide 1:63,500-scale geologic mapping of a portion of the Livengood airborne geophysical surveys released by DGGS in 1999 (DGGS et al., 1999). The geophysical survey (helicopter-based aeromagnetic and electromagnetic data) and geologic mapping are part of the Alaska Airborne Geophysical/Geological Mineral Inventory Program, a special multi-year investment by the State of Alaska to expand Alaska's geologic and mineral resources knowledge base, catalyze future private-sector mineral exploration and development, and guide state planning.

How was the data set created?

  1. From what previous works were the data drawn?

  2. How were the data generated, processed, and modified?

    Date: Jun-2010 (process 1 of 5)
    Fieldwork - Rock samples were collected in conjunction with geologic mapping throughout the map area. Samples collected specifically for trace element analysis exhibited visible mineralization or features associated with mineralization. Rock samples collected for major-oxide, minor-oxide, and trace elements include samples representative of a typical lithology, igneous or possible meta-igneous samples. Unweathered or minimally weathered rock samples were preferentially selected for analysis. Sample location points were entered into Garmin 12XL units.

    Date: Aug-2010 (process 2 of 5)
    Sample Preparation - Rock samples were crushed with a Terminator oscillating jaw crusher with chrome steel alloy plates so that at least 70 percent of the material passes through a -10 mesh (2 mm) screen. Representative aliquots of 250 grams each were taken using a stainless steel riffle splitter. These samples were then pulverized in a chrome steel ring mill so that 85 percent of the sample passed through a -200 mesh (75 micron) screen. Trace-element analyses, the whole rock major element analyses and the gold analyses were performed using representative splits of each 250 gram pulp. Sample preparation was conducted at the ALS Chemex sample preparation facility in Fairbanks, Alaska.

    Date: Aug-2010 (process 3 of 5)
    Analysis - Initially, all rock samples for trace-element geochemistry (Table 1) were assayed for gold by inductive coupled plasma-atomic emission spectroscopy following a 30g fire assay fusion (FA-ICP). Trace-element geochemical analyses were performed by inductive coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICP-MS) methods after four-acid, near-total digestion. This method of digestion is possibly incomplete for some elements and may result in lower analytical results for these elements. The elements that may be affected by incomplete digestion, analytical methods, and lower and upper reporting limits are tabulated in Table 1. All rock trace metal analyses were performed by ALS Chemex.

    Date: Aug-2010 (process 4 of 5)
    Analysis - All whole rock analyses (Table 2) were performed by ALS Chemex. Major and minor element oxides were determined by X-ray fluorescence spectrometry following a lithium borate fusion (WEI-GRA06). Trace-element geochemical analyses were determined by X-ray fluorescence spectrometry.Analytical methods and detection limits are tabulated in Table 2.

    Date: Oct-2010 (process 5 of 5)
    Other - Latitude and Longitude values presented in this report were converted from UTM values using Corpscon ver. 6.0.1, a program created by the U.S. Army Corps of Engineers, Engineer Research and Development Center, Topographic Engineering Center, Alexandria, VA, <http://www.tec.army.mil>.

  3. What similar or related data should the user be aware of?

    staff, DGGS, Geoterrex-Dighem, and Inc., Stevens Exploration , 1999, CD-ROM containing profile and gridded data and section lines of 1998 geophysical survey data for part of the Livengood mining district, Alaska, central Livengood Quadrangle: Alaska Division of Geological & Geophysical Surveys Public Data File 99-19, Alaska Division of Geological & Geophysical Surveys, Fairbanks, AK.

    Online Links:

How reliable are the data; what problems remain in the data set?

  1. How well have the observations been checked?

    All rock geochemical and whole rock analyses were performed by by ALS Chemex.Rock samples were assayed for gold (Table 1) by inductive coupled plasma-atomic emission spectroscopy following a 30g fire assay fusion (FA-ICP). Trace-element geochemical analyses (Table 1) on rock samples were performed by inductive coupled plasma-atomic emission spectroscopy (ICP-AES) and inductive coupled plasma-mass spectroscopy (ICPMS) methods after four-acid, near-total digestion. This method of digestion is possibly incomplete for some elements and may result in lower analytical results for these elements. The elements that may be affected by incomplete digestion, analytical methods, and lower and upper reporting limits are tabulated in Table 1. Whole rock analyses (Table 2) were performed by ALS Chemex. Major and minor element oxides were determined by X-ray fluorescence spectrometry following a lithium borate fusion (WEI-GRA06). Trace-element analysis of whole rock samples were determined by pressed-pellet X-ray fluorescence spectrometry. Analytical methods and detection limits are tabulated in Table 2.

  2. How accurate are the geographic locations?

    Location data were downloaded from Garmin 12XL GPS units into an Access database.

  3. How accurate are the heights or depths?

  4. Where are the gaps in the data? What is missing?

    This dataset contains all of the analyses for samples collected for trace-element rock geochemistry, and whole rock major- and minor-oxide, and trace-element geochemistry in the Livengood South project area in the summer of 2010.Petrogenetically important trace-elements will be analyzed by the Advanced Instrumentation Laboratory at the University of Alaska Fairbanks (UAF) to be published with the final map and report for this area.

  5. How consistent are the relationships among the observations, including topology?

    No topologic relationships are present in data. Sample distribution was dependant on outcrop availablability and rock suitability.

How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?

Access_Constraints:
This report, map, and/or dataset are available directly from the State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys (see contact information below).
Use_Constraints:
Any hard copies or published datasets utilizing these datasets shall clearly indicate their source. If the user has modified the data in any way, the user is obligated to describe the types of modifications the user has made. User specifically agrees not to misrepresent these datasets, nor to imply that changes made by the user were approved by the State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys.

  1. Who distributes the data set? (Distributor 1 of 1)

    State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys
    3354 College Road
    Fairbanks, AK 99709-3707
    USA

    907-451-5020 (voice)
    907-451-5050 (FAX)
    dggspubs@alaska.gov

    Hours_of_Service: 8 am to 4:30 pm, Monday through Friday, except State holidays
    Contact_Instructions:
    Please view our web site (<http://www.dggs.alaska.gov>) for the latest information on available data. Please contact us using the e-mail address provided above when possible.
  2. What's the catalog number I need to order this data set?

    Raw Data File 2010-3

  3. What legal disclaimers am I supposed to read?

    The State of Alaska makes no express or implied warranties (including warranties of merchantability and fitness) with respect to the character, function, or capabilities of the electronic services or products or their appropriateness for any user's purposes. In no event will the State of Alaska be liable for any incidental, indirect, special, consequential, or other damages suffered by the user or any other person or entity whether from the use of the electronic services or products, any failure thereof, or otherwise, and in no event will the State of Alaska's liability to the requester or anyone else exceed the fee paid for the electronic service or product.

  4. How can I download or order the data?

  5. What hardware or software do I need in order to use the data set?

    CSV (Comma Separated Value) files can be imported and formatted with Microsoft Excel, OpenOffice.org Calc, or most spreadsheet and text editor programs.

Who wrote the metadata?

Dates:
Last modified: 26-Oct-2010
Metadata author:
State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys
c/o Metadata Manager
3354 College Road
Fairbanks, AK 99709-3707
USA

907-451-5020 (voice)
907-451-5050 (FAX)
dggspubs@alaska.gov

Hours_of_Service:
8:00 am to 4:30 pm, Monday through Friday, except State holidays.
Contact_Instructions:
Please contact us through the e-mail address given above whenever possible.
Metadata standard:
FGDC Content Standard for Digital Geospatial Metadata (FGDC-STD-001-1998)

Generated by mp version 2.9.6 on Mon Nov 1 11:43:10 2010