51 datasets found
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State
Northeastern Tanacross geologic map, Tanacross D-1, D-2, C-1, and C-2 quadrangles, Alaska
State of Alaska —
The Mineral Resources section of the Alaska Division of Geological & Geophysical Surveys (DGGS) conducted 500 mi2 of 1:63,360-scale geologic mapping in the... -
Federal
U-Pb Ages, Hafnium Isotope Ratios, and Trace Element Concentrations by Laser-Ablation Split Stream (LASS) Analysis of Igneous Zircons from the Western Alaska Range
Department of the Interior —
This dataset contains U-Pb isotopic data and ages, Hf isotope data, and trace element concentrations of zircon from igneous rocks collected from the western Alaska... -
Federal
Uranium-Lead Ages, Hafnium Isotope Ratios, and Trace Element Concentrations by Laser-Ablation Split Stream (LASS) Analysis of Igneous Zircons from the Darby Mountains Area, Seward Peninsula, Alaska
Department of the Interior —
This dataset contains uranium–lead (U-Pb) isotopic data and ages, hafnium (Hf) isotope data, and trace element concentrations of zircon from igneous rocks collected... -
State
U-Pb detrital zircon geochronology of Cretaceous-Cenozoic sedimentary rocks in the Ladue River-Mount Fairplay area, Alaska
State of Alaska —
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... -
Federal
U-Pb Isotopic Data and Dates of Zircon from the Western Upper Peninsula of Michigan and Northern Wisconsin, United States
Department of the Interior —
This dataset contains U-Pb isotopic data and associated dates of zircon from sedimentary and metamorphic rocks collected from the western Upper Peninsula of Michigan... -
Federal
Geophysical, zircon U-Pb data, and lithologic log for borehole CFPP-B01, eastern Snake River Plain, Idaho
Department of the Interior —
In 2020, Cascade Drilling contracted by Rizzo International, Inc drilled and constructed corehole CFPP-B01 (USGS Site 433814113031801) for stratigraphic framework... -
State
Zircon geochronology of Torok and Nanushuk Formations sandstones at Slope Mountain and a Seabee Formation tephra deposit at Ninuluk Bluff, central North Slope, Alaska
State of Alaska —
Zircon geochronology of Torok and Nanushuk Formations sandstones at Slope Mountain and a Seabee Formation tephra deposit at Ninuluk Bluff, central North Slope,... -
State
U-Pb zircon geochronology of bedrock samples collected in the Eagle and Tanacross quadrangles, eastern Alaska
State of Alaska —
U-Pb zircon geochronology of bedrock samples collected in the Eagle and Tanacross quadrangles, eastern Alaska, Preliminary Interpretive Report 2023-2, presents... -
State
U-Pb and Lu-Hf isotope, age, and trace-element data from zircons at four sites in the western Alaska Range and Talkeetna Mountains, Alaska
State of Alaska —
This Division of Geological & Geophysical Surveys (DGGS) Raw Data File presents U-Pb geochronology and Lu-Hf isotopic compositions, age-dating results, and... -
State
Measured stratigraphic section in the upper Schrader Bluff Formation (Late Campanian-Maastrichtian?), Ivishak River, Alaska
State of Alaska —
Preliminary Interpretive Report 2021-3, Measured stratigraphic section in the upper Schrader Bluff Formation (Late Campanian-Maastrichtian?), Ivishak River, Alaska,... -
Federal
Carbon Isotopes, Total Organic Carbon, Programmed Pyrolysis, Volcanic Zircon U-Pb, and Geochemistry Data from the Hue Shale, Arctic Alaska - 2024
Department of the Interior —
This dataset contains results from a stratigraphic section of the Hue Shale located along the Jago River in the Arctic National Wildlife Refuge at 69.9099, -143.3947... -
Federal
U-Pb detrital zircon geochronology of cores and cuttings from selected wells in Arctic Alaska
Department of the Interior —
Select samples were collected from boreholes in Arctic Alaska to determine the U-Pb ages of zircon to determine a maximum depositional age of the geologic units... -
Federal
U-Pb Isotopic Data and Ages of Detrital Zircon from Selected Rocks from northern Yukon, Canada
Department of the Interior —
This data set contains U-Pb isotopic data and associated ages of detrital zircon from sedimentary and metasedimentary rocks collected in northern Yukon, Canada. The... -
State
U-Pb and Lu-Hf isotope, age, and trace element data from zircon separates from the Tanacross D-1, and parts of D-2, C-1, and C-2 quadrangles
State of Alaska —
This Alaska Division of Geological & Geophysical Surveys (DGGS) Raw Data File presents U-Pb geochronology, Lu-Hf isotopic compositions, and trace-element... -
Federal
U-Pb Isotopic Data and Ages of Detrital Zircon Grains, Whole Rock Major and Trace-element Geochemistry, and Whole Rock Isotopic Data from Selected Rocks from the Western Alaska Range, Medfra area, and Livengood area, Alaska
Department of the Interior —
This data release contains 3 datasets, U-Pb isotopic data and associated ages of detrital zircon grains for 27 sedimentary rocks, whole rock major and trace-element... -
State
U-Pb zircon data and ages for bedrock samples from the Richardson mining district, Big Delta Quadrangle, Alaska
State of Alaska —
During the 2017 and 2018 field seasons, geologists from the Alaska Division of Geological & Geophysical Surveys (DGGS) conducted geologic mapping and sampling in... -
State
U-Pb Zircon ages from bedrock samples collected in the Tanacross D-1, and parts of the D-2, C-1, and C-2 quadrangles, Alaska
State of Alaska —
This Alaska Division of Geological & Geophysical Surveys (DGGS) Preliminary Interpretive Report presents U-Pb ages of zircons from 14 sedimentary, metamorphic,... -
Federal
U-Pb zircon data for igneous units related to mineralization in the eastern Yukon-Tanana upland, eastern Alaska
Department of the Interior —
From 2017-2019, framework metallogenic studies were completed in the eastern Yukon-Tanana upland in eastern Alaska. Numerous previously undated plutons known or... -
Federal
U-Pb Ages, Hafnium Isotope Ratios, and Trace Element Concentrations by Laser-ablation Split Stream (LASS) Analysis of Igneous and Metamorphic Zircons from the Yukon-Tanana Upland, Eastern Alaska
Department of the Interior —
This dataset contains U-Pb isotopic data and ages, Hf isotope data, and trace element concentrations of zircon from igneous rocks collected from the Yukon-Tanana... -
Federal
U-Pb data for the Coles Hill uranium deposit, Virginia
Department of the Interior —
Apatite [Ca5(PO4)3F], titanite [CaTiSiO5], and rutile [TiO2] samples were collected by the U.S. Geological Survey (USGS) from the Coles Hill uranium deposit,...
51 datasets found