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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... -
Field station locations and magnetic susceptibility data collected in 2020 an...
DGGS Raw Data File 2022-3, Field station locations and magnetic susceptibility data collected in 2020 and 2021 for the Western Tanacross project, Tanacross and Eagle... -
Analyses of historic U.S. Bureau of Mines samples for geochemical trace-eleme...
This report and digital data release presents 209 new geochemical analyses on historic U.S. Bureau of Mines (USBM) samples, including 90 rock, 9 stream sediment, 14 soil, and 96... -
Tephra occurrence in Alaska: a map-based compilation of stratigraphic tephra ...
The principal hazard associated with future explosive eruptions of Alaska volcanoes is the generation of volcanic ash clouds which are explosively blasted high into the... -
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... -
Geochemical reanalysis of historical U.S. Geological Survey sediment samples ...
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... -
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... -
Analyses of historic U.S. Bureau of Mines samples for geochemical trace-eleme...
This report and digital data release presents 82 new rock geochemical analyses on historic U.S. Bureau of Mines (USBM) samples. These samples were originally collected by the... -
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... -
Analyses of historic U.S. Bureau of Mines samples for geochemical trace-eleme...
This report and digital data release presents 40 new geochemical analyses on historic U.S. Bureau of Mines (USBM) samples, including 33 rock and 7 heavy mineral concentrate (pan... -
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-... -
Geology of Kasatochi volcano, Aleutian Islands, Alaska
Kasatochi is a small, isolated island volcano in the center of the Aleutian Island chain. It consists of a roughly circular cone approximately 3 km in diameter with a lake-... -
Geology of Kasatochi volcano, Aleutian Islands, Alaska
Kasatochi is a small, isolated island volcano in the center of the Aleutian Island chain. It consists of a roughly circular cone approximately 3 km in diameter with a lake-... -
Geologic Photos of Alaska
The Geologic Photos of Alaska database and online application contains photographs taken during and in support of Alaska Division of Geological & Geophysical Surveys (DGGS)... -
Analyses of historic U.S. Bureau of Mines samples for geochemical trace-eleme...
This report and digital data release presents 286 new geochemical analyses on historic U.S. Bureau of Mines (USBM) samples, including 93 rock, 110 stream sediment, 52 soil, and... -
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... -
Analyses of historic U.S. Bureau of Mines samples for geochemical trace-eleme...
This report and digital data release presents 131 new geochemical analyses on historic U.S. Bureau of Mines (USBM) samples, including 86 rock and 42 heavy mineral concentrate... -
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...
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