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This project is part of the Alaska Airborne Geophysical/Geological Mineral Inventory Program funded by the Alaska State Legislature and managed by the State of Alaska, Department of Natural Resources (DNR), Division of Geological & Geophysical Surveys (DGGS). Partial funding for the geologic mapping was also provided by the U.S. Geological Survey, National Cooperative Geologic Mapping Program, under STATEMAP award number 02HQPA0003. 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. Government. The following people are recognized for their various contributions to this map: M.A. Wiltse and L.K. Freeman (geologic mapping, 2002), student interns/field assistants (P.J. Wilson [2002], M.R. Johnson [2001], and J.C. Grady [2000]), R.J. Newberry and S.A. Hicks (X-ray fluorescence study of greenschist-facies rocks), R.R. Lessard and R.J. Newberry (garnet-biotite geothermometry microprobe analyses), T.E.C. Keith (discussions regarding ultramafic rocks), L.E. Burns (publication metadata; assistance interpreting geophysical data), our technical reviewers(Cynthia Dusel-Bacon, P.W. Layer, and L.E. Burns), P.K. Davis (editorial review), J.M. Robinson (text booklet layout), and A.G. Sturmann (cartographic and GIS advice). The outline of unit Ktn in the lower half of Liese Creek was provided by Teck Cominco Limited, and subsequently modified by DGGS's interpretation of geophysical data. Anglo gold (USA) Exploration Inc. provided samples from the Hook gold prospect in the Big Delta B-3 Quadrangle for 40Ar/39Ar dating. Geologic map conversion to the GeMS standard was funded by the USGS National Geological and Geophysical Data Preservation Program under award number G20AP00103 and the State of Alaska General Fund.
The project's purpose was to provide a 1:63,360-scale geologic map of the Salcha River-Pogo airborne geophysical survey area (helicopter-based aeromagnetic, radiometric, and electromagnetic data) released by DGGS in 2000. Several promising gold targets occur throughout the study area, and there is the potential for ultramafic-hosted, platinum-group-element, and base-metal-sulfide lode occurrences.
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Are there legal restrictions on access or use of the data?Access_Constraints:
This report, map, and/or dataset is 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. The 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. The State of Alaska makes no express or implied warranties (including warranties for merchantability and fitness) with respect to the character, functions, or capabilities of the electronic data 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 or any failure thereof or otherwise. In no event will the State of Alaska's liability to the Requestor or anyone else exceed the fee paid for the electronic service or product.
The State of Alaska makes no expressed or implied warranties (including warranties for merchantability and fitness) with respect to the character, functions, or capabilities of the electronic data 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 or any failure thereof or otherwise. In no event will the State of Alaska's liability to the Requestor or anyone else exceed the fee paid for the electronic service or product.
| Data format: | geodatabase |
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| Network links: |
https://doi.org/10.14509/3209 |