13 datasets found
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State
Geologic map of the Upper Chena River area, eastern interior Alaska 16 recent views
State of Alaska —
Geologic studies of the upper Chena River area were undertaken in 1983 as part of the Interior Mining District Evaluation Program, a series of projects designed to... -
State
Surficial-geologic map of the Livengood area, central Alaska 14 recent views
State of Alaska —
This map shows the distribution of surficial deposits and undifferentiated bedrock in parts of the Livengood C-3 and C-4 quadrangles, Tolovana mining district. -
State
Geologic map of the Circle mining district, Alaska
State of Alaska —
This report provides detailed (1:63,360-scale) mapping of portions of U.S. Geological Survey Circle B-2 (1955), B-3 (1955), B-4 (1952), C-2 (1955), C-3 (1955), and... -
State
40Ar/39Ar data from the Tok River area, Tanacross A-5 and A-6 quadrangles and adjoining areas, eastern Alaska Range
State of Alaska —
This report presents 40Ar/39Ar step-heating geochronology results for igneous and metamorphic rocks from the Alaska Division of Geological & Geophysical Surveys'... -
State
Bedrock geologic map of the Ladue River-Mount Fairplay area, Tanacross and Nabesna quadrangles, Alaska
State of Alaska —
The Mineral Resources section of the Alaska Division of Geological & Geophysical Surveys (DGGS) conducted bedrock geologic mapping of a 4,800-sq-km (1,860-sq-mi)... -
State
Chert geochemistry discriminant analysis and K-meas cluster analysis: Rampart Project area, Tanana B-1 Quadrangle, east-central Alaska
State of Alaska —
A pilot study using discriminant analysis on major oxide and minor element data from 67 chert samples in the Rampart area, southeastern Tanana and southwest Livengood... -
State
Geologic map of the Tanana B-1 quadrangle, central Alaska
State of Alaska —
This report provides detailed (1:63,360-scale) mapping of the Tanana B-1 Quadrangle (250 square miles; equivalent to four 7.5 minute quadrangles). The area is part of... -
State
Derivative Map of the Geologic Materials and Hazards in the Eastern Half McGrath Quadrangle, Alaska
State of Alaska —
This map illustrates the potential near-surface sources of various geologic materials that may be useful for construction. Field observations indicate that each... -
State
40Ar/39Ar data, Alaska Highway corridor from Delta Junction to Canada border, parts of Mount Hayes, Tanacross, and Nabesna quadrangles, Alaska
State of Alaska —
40Ar/39Ar analyses of igneous rocks from the Alaska Highway corridor between Delta Junction and the Canada border show a range of Cretaceous ages from about 68 Ma to... -
State
Major-Oxide, Minor-Oxide, Trace-Element, and Geochemical Data from Rocks Collected in the Alaska Highway Corridor, Big Delta and Mount Hayes Quadrangles, Alaska in 2006 and 2007
State of Alaska —
Alaska Division of Geological & Geophysical Surveys (DGGS) personnel collected rock samples while mapping the bedrock geology along a 12-mile-wide swath following... -
State
Geologic Map of the Eastern Half of the McGrath Quadrangle, Alaska
State of Alaska —
This map is a compilation of previously unpublished and published data, as well as from updated field mapping. This publication offers a 1:125,000-scale map sheet...
13 datasets found
