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Major-oxide and trace-element geochemical data from rocks collected in 2019 f...
During the 2019 field season, geologists from the Alaska Division of Geological & Geophysical Surveys (DGGS) conducted 1:100,000-scale geologic mapping and sampling of a... -
Major-element glass compositions of tephra from the circa 3.6 ka eruption of ...
This Raw Data File presents major-oxide glass geochemical results from the ca. 3.6 ka caldera-forming eruption of Aniakchak volcano, Alaska. These data are part of a larger... -
Major-oxide, minor-oxide, and trace-element geochemical data from rocks colle...
Mineral-resources personnel from the Alaska Division of Geological & Geophysical Surveys carried out a geological field survey, including mapping and sampling, in the... -
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... -
Palynological and thermal maturity analysis of outcrop samples from the Kenai...
This data release provides palynomorph assemblages, kerogen observations, thermal maturity estimates, age interpretations, and field station locations of palynology samples... -
U-Pb and Lu-Hf isotope, age, and trace-element data from zircons at four site...
This Division of Geological & Geophysical Surveys (DGGS) Raw Data File presents U-Pb geochronology and Lu-Hf isotopic compositions, age-dating results, and additional trace-... -
Major-oxide and trace-element geochemical data from rocks collected in 2015 i...
Late Triassic mafic to ultramafic intrusions in the Wrangellia terrane are host to magmatic sulfide nickel-copper-cobalt and platinum-group element (PGE) mineralization. DGGS's... -
Geochemical data from samples collected in 2020 and 2021 for the Western Tana...
During the 2021 field season, geologists from the Alaska Division of Geological & Geophysical Surveys (DGGS) conducted 1:100,000-scale bedrock geologic mapping of ~2600 mi2... -
Major-oxide and trace-element geochemical data from rocks collected in 2015 i...
The Tok project area is adjacent to the Delta mineral belt volcanogenic massive-sulfide (VMS) district, the Peak gold-silver-copper skarn, and structurally controlled gold and... -
Preliminary characterization of two coals from the upper Prince Creek Formati...
In July of 2018, the Alaska Division of Geological & Geophysical Surveys (DGGS) studied and sampled the coal beds within the upper section of the Prince Creek Formation at... -
Geochemical data from samples collected in 2021 for the Taylor Mountain proje...
Raw Data File 2022-4, Geochemical data from samples collected in 2021 for the Taylor Mountain project, Tanacross and Eagle quadrangles, Alaska, presents whole-rock trace-element... -
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... -
Major-oxide and trace-element geochemical data from rocks collected in 2018 f...
From June 19 through July 15, 2018, geologists from the Alaska Division of Geological & Geophysical Surveys (DGGS) carried out a geologic mapping and geochemical sampling... -
Major-oxide and trace-element geochemical data from rocks collected in the To...
Geologists from the Alaska Division of Geological & Geophysical Surveys (DGGS) and University of Alaska carried out a two-part geologic mapping and geochemical sampling... -
U-Pb zircon age data from meta-igneous rocks in the Clearwater Mountains, Mou...
We report U-Pb zircon geochronology results for one metavolcanic and one metaplutonic rock sample from the Mount Hayes A-6 Quadrangle of central Alaska. These samples are... -
Major-oxide, minor-oxide, and trace-element geochemical data from rocks colle...
Geologists from the Alaska Division of Geological & Geophysical Surveys (DGGS) and the University of Alaska Fairbanks (UAF) carried out geologic field surveys, including... -
Zircon U-Pb age data, Ray Mountains area, Bettles Quadrangle, Alaska
U-Pb analyses were performed on igneous rocks from the Ray Mountains area of west-central Alaska. These new age analyses will allow us to better evaluate the geochronology of... -
Jarvis Creek coal report
In July and August of 2016, the Alaska Division of Geological & Geophysical Surveys (DGGS) conducted a field study in the Jarvis Creek coal field to better characterize... -
Digital compilation of geochemical data for historical samples from occurrenc...
The State of Alaska's Strategic and Critical Minerals (SCM) Assessment project, a State-funded Capital Improvement Project (CIP), is designed to evaluate Alaska's statewide...