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Whole rock geochemical data from the eastern part of the Yukon-Tanana Upland ...
This data release is part of a 2016-2019 study on the geology, geochemistry and geochronology of ore systems in the eastern Yukon-Tanana Upland region, Alaska. Whole rock... -
Major-Oxide, Minor-Oxide, Trace-Element, and Geochemical Data from Rocks Coll...
Alaska Division of Geological & Geophysical Surveys (DGGS) personnel collected rock samples while mapping the bedrock geology along a 12-mile-wide swath following the Alaska... -
U-Pb Zircon ages from bedrock samples collected in the Tanacross D-1, and par...
This Alaska Division of Geological & Geophysical Surveys (DGGS) Preliminary Interpretive Report presents U-Pb ages of zircons from 14 sedimentary, metamorphic, and igneous... -
Major-oxide and trace-element geochemical data from rocks collected in the Ta...
From June 12-21, 2017, the Alaska Division of Geological & Geophysical Surveys (DGGS) geologists carried out geologic mapping and geochemical sampling in the northeastern... -
U-Pb Isotopic Data and Ages of Zircon and Titanite from Rocks from the Yukon-...
This data set contains 3 tables containing uranium-lead (U-Pb) isotopic data and crystallization ages of zircon and titanite from igneous, metamorphic, and sedimentary rocks... -
Surficial geologic map of the Tanana B-1 Quadrangle, central Alaska
Report of Investigation 97-15C, Surficial geologic map of the Tanana B-1 Quadrangle, central Alaska, provides detailed (1:63,360-scale) surficial geologic mapping of the Tanana... -
Derivative map of potential geologic hazards in the Tanana B-1 Quadrangle, Al...
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 the Manley... -
Re-Os Geochronologic Data for Porphyry Deposits in the Yukon-Tanana Upland, E...
Rhenium-osmium (Re-Os) geochronology of molybdenite provides a tool to directly date mineralizing events in hydrothermal systems. In the Yukon-Tanana upland of eastern Alaska,... -
U-Pb detrital zircon geochronology of Cretaceous-Cenozoic sedimentary rocks i...
This report presents U-Pb detrital zircon dates from three sedimentary rock samples collected in the eastern Tanacross Quadrangle during 2019 geologic mapping by the Alaska... -
Geologic map of the Circle mining district, 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 C-4 (1952)... -
U-Pb Isotopic Data and Ages of Zircon and Titanite from Rocks from the Yukon-...
This data set contains 3 tables containing uranium-lead (U-Pb) isotopic data and crystallization ages of zircon and titanite from igneous, metamorphic, and sedimentary rocks... -
Active and potentially active faults in or near the Alaska Highway corridor, ...
In 2005, the Alaska Division of Geological & Geophysical Surveys initiated a multi-year geologic field study focused on a corridor centered along the Alaska Highway between... -
Eagle airborne magnetic and radiometric geophysical survey
The Eagle airborne magnetic and radiometric geophysical survey covers parts of the Charley River, Eagle, and Tanacross quadrangles near Eagle, Alaska (fig. 1). Magnetic and... -
Re-Os Geochronologic Data for Porphyry Deposits in the Yukon-Tanana Upland, E...
Rhenium-osmium (Re-Os) geochronology of molybdenite provides a tool to directly date mineralizing events in hydrothermal systems. In the Yukon-Tanana upland of eastern Alaska,... -
Whole rock geochemical data from the eastern part of the Yukon-Tanana Upland ...
This data release is part of a 2016-2019 study on the geology, geochemistry and geochronology of ore systems in the eastern Yukon-Tanana Upland region, Alaska. Whole rock... -
40Ar/39Ar Isotopic Data and Ages for Rocks from the Yukon-Tanana Upland of Ea...
This data set contains 40Ar/39Ar isotopic data and ages for rocks from the Yukon-Tanana upland of eastern Alaska and the northern Aleutian Range of south-central Alaska. The... -
U-Pb zircon data for igneous units related to mineralization in the eastern Y...
From 2017-2019, framework metallogenic studies were completed in the eastern Yukon-Tanana upland in eastern Alaska. Numerous previously undated plutons known or suspected to... -
(U-Th)/He Dates of Detrital Magnetite from Streams Draining the Taurus Porphy...
This data release contains 54 (U-Th)/He dates acquired from detrital magnetite in stream sediments adjacent to the Taurus Porphyry Cu-Mo(-Au) deposit in eastern interior...
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