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Federal
Thin section images of hand samples from the Crocodile Lake and Cucumber Lake Intrusions, Duluth Complex, Minnesota
Department of the Interior —
This dataset includes photographic images of thin sections created from hand samples collected from the Crocodile Lake and Cucumber Lake Intrusions, Duluth Complex,... -
State
Bedrock geologic map of the Liberty Bell area, Fairbanks A-4 Quadrangle, Bonnifield mining district, Alaska
State of Alaska —
Report of Investigation 2006-2 v. 1.0.1, Bedrock geologic map of the Liberty Bell area, Fairbanks A-4 Quadrangle, Bonnifield mining district, Alaska, provides bedrock... -
Federal
Utah FORGE: Well 78B-32 Core Sample Petrographic Analysis Data
Department of Energy —
This dataset contains an overview of the petrographic, X-ray Diffraction and scanning electron microscopy analyses of core samples from Utah FORGE Well 78B-32 and... -
State
Geology of the Sleetmute C-7, C-8, D-7, and D-8 quadrangles, Horn Mountains, southwestern Alaska
State of Alaska —
Geology of the Sleetmute C-7, C-8, D-7, and D-8 quadrangles, Horn Mountains, southwestern Alaska, Report of Investigation 98-12, presents a geologic map of the Horn... -
Federal
Melt inclusion and mineral geochemical analyses supporting the evaluation of petrogenesis, degassing, and metallogenic potential of mid-Cenozoic rhyolite magmas in northern Nevada, USA (ver. 2.0, March 2025)
Department of the Interior —
This data release presents geochemical analyses of silicate melt inclusions, host quartz phenocrysts, and biotite phenocrysts in samples collected by the U.S.... -
State
Geology of Kasatochi volcano, Aleutian Islands, Alaska
State of 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... -
Federal
Thin section images of drill core from the Crescent Creek area in the Stillwater Complex, Montana
Department of the Interior —
This dataset includes photographic images of thin sections of drill core from the Stillwater Complex, Montana, along with a shapefile representing the location of the... -
Federal
Thin section images of AMAX drill core from the Stillwater Complex, Montana
Department of the Interior —
This dataset includes photographic and micrographic images of thin sections of drill core from the Stillwater Complex, Montana, along with a shapefile representing... -
State
Geology of Kasatochi volcano, Aleutian Islands, Alaska
State of 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... -
Federal
Evaluation of solid bitumen created from marine oil shale bituminite under hydrous and anhydrous pyrolysis conditions
Department of the Interior —
This study tests the influence of environmental conditions on conversion of the maceral bituminite to a solid petroleum residuum (solid bitumen) during pyrolysis. The... -
State
Progress report on the geology and mineral resources of the Nome mining district, Alaska
State of Alaska —
Public Data File 94-39, Progress report on the geology and mineral resources of the Nome mining district, Alaska, presents 1:63,360-scale reconnaissance bedrock and... -
Federal
Thin section images of drill core from the Chrome Lake area in the Stillwater Complex, Montana
Department of the Interior —
This dataset includes photographic images of thin sections of drill core from the Stillwater Complex, Montana, along with a shapefile representing the locations of... -
Federal
Geochemical data supporting a comparison of apatite between regional magmatism and the Pea Ridge Iron Oxide-Apatite-Rare Earth Element (IOA-REE) and Boss Iron Oxide-Copper-Cobalt-Gold-REE Deposits (IOCG) deposits, southeastern Missouri, USA
Department of the Interior —
This data release presents high-spatial resolution geochemical analyses collected from Mesoproterozoic apatite crystals in igneous rocks from the St. Francois... -
Federal
Microfossil, grain size, and petrographic data for the Cabin Branch and Cabin Creek (Cappy Avenue) outcrops, Prince George's County, Maryland
Department of the Interior —
The Cabin Branch and Cabin Creek (Cappy Avenue) outcrops are located along two small creeks in Prince George’s County, Maryland. The Cabin Branch outcrop contains... -
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... -
Federal
Data to accompany U.S. Geological Survey Data Series 1099: Petrographic, geochemical and geochronologic data for Cenozoic volcanic rocks of the Tonopah, Divide, and Goldfield Mining Districts, Nevada
Department of the Interior —
This dataset is the assembled analytical results of geochemical, petrographic, and geochronologic data for samples, principally those of unmineralized Tertiary... -
Federal
Mineralogical and Lithological Data from Great Basin Geothermal Systems
Department of Energy —
Mineralogical and lithological data from core samples taken at various geothermal wells in the Great Basin: Dixie Valley, Beowawe, Roosevelt, Mammoth, Steamboat... -
Federal
West Flank Coso FORGE: Petrographic and X-Ray Diffraction Analyses for Samples
Department of Energy —
XRD and Petrographic Study for wells 83-11 33A-7 and 33A-7RD-1 West Flank FORGE. Work and report completed by Clay Jones and Joseph Moore at the Energy and Geoscience... -
State
40Ar/39Ar data 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...