newsurfgeo2_arc surficial geologic units (arc) newsurfgeo2_polygon surficial geologic units (polygon) sagterraces_arc locations of terrace risers
Pinney, D.S., 2000, Reconnaissance surficial-geologic map of the Sagavanirktok B-1 Quadrangle, eastern North Slope, Alaska: Report of Investigation RI 2000-1C, State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys, Fairbanks, AK.Online Links:
Planar coordinates are encoded using coordinate pair
Abscissae (x-coordinates) are specified to the nearest 0.000064
Ordinates (y-coordinates) are specified to the nearest 0.000064
Planar coordinates are specified in meters
The horizontal datum used is D_Clarke_1866.
The ellipsoid used is Clarke 1866.
The semi-major axis of the ellipsoid used is 6378206.400000.
The flattening of the ellipsoid used is 1/294.978698.
| Value | Definition |
|---|---|
| b | undifferentiated bedrock |
| bc | shallowly buried bedrock |
| lake | lake |
| Formal codeset | |
|---|---|
| Codeset Name: | RI2000-1_codeset.pdf |
| Codeset Source: | Alaska Division of Geological & Geophysical Surveys <http://www.dggs.alaska.gov/metadata/RI2000-1_codeset.pdf> |
| Value | Definition |
|---|---|
| b | undifferentiated bedrock |
| bc | shallowly buried bedrock |
| lake | lake |
| Formal codeset | |
|---|---|
| Codeset Name: | RI2000-1_codeset.pdf |
| Codeset Source: | Alaska Division of Geological & Geophysical Surveys <http://www.dggs.alaska.gov/metadata/RI2000-1_codeset.pdf> |
| Value | Definition |
|---|---|
| S | surficial deposit |
| B | bedrock deposit |
| L | lake |
| Value | Definition |
|---|---|
| bedrock | bedrock |
| lake | lake |
| Formal codeset | |
|---|---|
| Codeset Name: | PIR2001-3_codeset.pdf |
| Codeset Source: | Alaska Division of Geological & Geophysical Surveys |
| Range of values | |
|---|---|
| Minimum: | 476390.64978314 |
| Maximum: | 499951.19173378 |
| Units: | meters |
| Range of values | |
|---|---|
| Minimum: | 7682130.20505255 |
| Maximum: | 7709950.71424344 |
| Units: | meters |
| Value | Definition |
|---|---|
| 58 | terrace riser |
Funding for the geologic mapping was provided by the U.S. Geological Survey, National Cooperative Geologic Mapping Program, under STATEMAP award number 99HQAG0121 under the NCGM STATEMAP program for FY1999. The views and conclusions contained in this document are those of the authors and should not be interpreted as necessarily representing the official policies, either expressed or implied, of the U.S. Additional Acknowledgments: Map reviewed by R.F. Swenson and M.T. Whalen. Electronic cartography by A.G. Sturmann and B.G. Gage.
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At the time this project was published, the State of Alaska depended on the petroleum industry for approximately 80 percent of its revenue, most of which comes from oil fields on the North Slope. North Slope oil production is declining. This mapping project addresses this problem by providing the state and industry with the first published geologic map of this part of the North Slope oil province at a scale other than 1:2,500,000. Detailed geologic mapping of the quadrangle addresses the lack of understanding of the petroleum-geology framework of the eastern North Slope, Colville basin, and the stratigraphic transition from the National Petroleum Reserve in Alaska (NPRA) to the Arctic National Wildlife Refuge (ANWR). This detailed mapping and petroleum-related data is pertinent to oil exploration for Prudhoe Bay satellite fields and new play-type reevaluations, as well as assist private-sector exploration efforts, and speed the exploration process. This data will contribute to increased confidence in exploration and evaluation efforts in areas west of Prudhoe Bay.
Ashley, G.M., Hamilton, T.D., and Reed, K.M., 1984, Epiguruk bluff—Chronology and regional correlations: Geological Society of America Abstracts with Programs v. 16, Geological Society of America, Boulder, CO, USA.
Detterman, R.L., 1953, Sagavanirktok–Anaktuvuk region, northern Alaska:.This is part of the following larger work.
Péwé, T.L. (ed.), Muller, E.H. (ed.), Karlstrom, T.N.V. (ed.), Krinsley, D.B. (ed.), Fernald, A.T. (ed.), Wahrhaftig, C. (ed.), Hopkins, D.M. (ed.), and Detterman, R.L. (ed.), 1953, Multiple glaciation in Alaska: Circular Circ. 289, U.S. Geological Survey, Washington, DC, USA.
Detterman, R.L., Bowsher, A.L., and Dutro, J.T., Jr., 1958, Glaciation on the Arctic Slope of the Brooks Range, northern Alaska: Journal of the Arctic Institute of North America v. 11, Arctic, Calgary, Alberta, Canada.
Hamilton, T.D., 1986, Late Cenozoic glaciation of the central Brooks Range:.This is part of the following larger work.
Hamilton, T.D. (ed.), Reed, K.M. (ed.), and Thorson, R.M. (ed.), 1986, Glaciation in Alaska: The geologic record: None None, Alaska Geological Society, Anchorage, AK, USA.
Hamilton, T.D., 1982, A late Pleistocene glacial chronology for the southern Brooks Range—Stratigraphic record and regional significance: Geological Society of America Bulletin Bulletin 93, U.S. Geological Survey, Reston, VA, USA.
Porter, S.C., Pierce, K.L., and Hamilton, T.D., 1983, Late Wisconsin mountain glaciation in the western United States:.This is part of the following larger work.
Porter, S.C., and Wright, H.E., Jr. (ed.), 1983, The Late Pleistocene: Late Quaternary Environments of the United States v. 1, University of Minnesota Press, Minneapolis, MN, USA.
Waythomas, C.F., 1991, Surficial geologic map of the Sagavanirktok B-1 Quadrangle, northeastern Brooks Range, Alaska: Public Data File PDF 91-21E, Alaska Division of Geological & Geophysical Surveys, Fairbanks, AK, USA.Online Links:
Data sources used in this process:
Data sources used in this process:
Reifenstuhl, R.R., Mull, C.G., Harris, E.E., LePain, D.L., Pinney, D.S., and Wallace, W.K., 2000, Geological map of the Sagavanirktok B-1 Quadrangle, eastern North Slope, Alaska: Report of Investigation RI 2000-1A, State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys, Fairbanks, AK.Online Links:
Reifenstuhl, R.R., Mull, C.G., Harris, E.E., LePain, D.L., Wallace, W.K., and Pinney, D.S., 2000, Interpretive bedrock geologic map of the Sagavanirktok B-1 Quadrangle, eastern North Slope, Alaska: Report of Investigation RI 2000-1B, State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys, Fairbanks, AK.Online Links:
Pinney, D.S., 2000, Reconnaissance engineering-map of the Sagavanirktok B-1 Quadrangle, eastern North Slope, Alaska: Report of Investigation RI 2000-1D, State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys, Fairbanks, AK.Online Links:
Location data for geologic point coverages were entered manually from GPS units into a spreadsheet. Data for surficial and materials point, line, and polygon coverages were determined in the field using 1:63,360-scale topographic maps and 1:50,000 (nominal) scale, color-infrared aerial photographs. Geologic data included in the compilation are the field maps and notes from this project as well as data from other sources as noted in the "Sources Cited" section. Attributes were verified for consistency and completeness during the creation of the metadata.
DGGS location data and estimated position errors were manually entered into a spreadsheet. Sample numbers and locations with selected data were spatially registered and analyzed in ArcGIS software. Location data for the surficial and materials maps were determined visually using topographic maps at a scale of 1:63,360 and 1:50,000 (nominal) scale, color-infrared aerial photographs. See "Source_Information" section for horizontal positional accuracy of locations not measured by DGGS.
This dataset includes coverages that contain information about geologic units, their ages, and field sample locations; and locations of terrace risers at 1:63,360 scale
Topology is present on appropriate polygon and line coverages; others are point coverages.
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).
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- 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.
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Report of Investigation 2000-1C
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| Data format: | PDF (version 1.6) |
|---|---|
| Network links: |
<http://dx.doi.org/10.14509/2677> |
| Data format: | ArcGIS Shapefile (version ESRI ArcGIS 9.x) |
|---|---|
| Network links: |
<http://dx.doi.org/10.14509/2677> |
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