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Soil Biogeochemical Data from a Marine Terrace Soil Climo-Chronosequence Comp...
The storage and persistence of soil organic matter (SOM) is of critical importance to soil health, and to the terrestrial carbon cycle with implications for long-term climate... -
Mineralogical analyses of drill core samples from the Canyon uranium-copper d...
This data release compiles the X-ray diffraction and electron microscopy analyses of drill core samples collected by the U.S. Geological Survey that were selected to typify the... -
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... -
Ore Deposits Mined for Critical Elements
Summary of deposit types containing critical elements, including, cobalt, gallium, germanium, indium, niobium, PGE, REE, rhenium, selenium, and tellurium. Includes information... -
Global Geochemical Database for Critical Minerals in Archived Mine Samples
The Critical Minerals in Archived Mine Samples Database (CMDB) contains chemistry and geologic information for historic ore and ore-related rock samples from mineral deposits in... -
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... -
Spectra Used in Figures
This dataset contains reflectance and transmission spectra of unexpanded and expanded vermiculite ore, and handpicked flakes of phlogopite, hydrobiotite, and vermiculite. These... -
Expanded Vermiculite Sample Descriptions
This folder contains descriptions and analytical data (i.e., electron microprobe, X-ray diffraction, spectral reflectance, and scanning electron microprobe analyses) for... -
Oxide and Cation Compositions of Pyroxene Grains from Drill Core of the Dulut...
The table contains oxide and cation compositions of pyroxene grains from drill core in the Duluth Complex. The oxides were determined by electron probe microanalysis (EPMA) and... -
Petroleum geology data from hydrous and anhydrous pyrolysis residues for coal...
This data release contains programmed pyrolysis, organic petrographic (reflectance), and semiquantitative X-ray diffraction mineralogy data for subsurface coal and shale samples... -
Geochemistry and Environmental Tracer Data for Groundwater, Stream Water, and...
This data release is part of a study examining the use of near-stream groundwater discharge as a tool for Geochemical Exploration. Handcart Gulch is an unmined alpine watershed... -
West Flank Coso FORGE: 52B-7 Image and Mud Log
FMI image log and mud log of well 52B-7 -
Electron microprobe data for monazite and xenotime used in consideration of g...
The genetic origin of many gold deposits, including Pogo in Alaska, remains controversial with questions as to whether they formed due to magmatic-hydrothermal or... -
Spectroscopy of Expanded Vermiculite Products and Insulation
This dataset contains descriptions and analytical data (i.e., electron microprobe, X-ray diffraction, spectral reflectance, and scanning electron microprobe analyses) for... -
Electron microprobe analyses of hydrothermal muscovite crystals from gold-bea...
This data release provides geochemical results of in situ electron probe microanalyses of hydrothermal muscovite associated with gold-bearing quartz veins from the Klamath... -
Spectral Parameter Tables for Expanded Vermiculite Samples
This dataset contains spectral parameters for absorption features found in reflectance spectra of expanded vermiculite samples. These data are provide for 52 samples of... -
An updated X-ray diffractogram library of geologic materials
The X-ray diffraction (XRD) pattern library presented here is intended for qualitative or quantitative mineralogical analysis of geologic materials. The original collection of... -
Imaging spectrometer reflectance data for Nabesna, Alaska
Approximately 1,900 line square kilometers of imagery were collected using a HyMap™ sensor (Cocks and others, 1998) mounted on a modified Piper Navajo aircraft. The aircraft... -
Geochemical and mineralogical analyses of uranium ores from the Hack II and P...
This data release compiles the whole-rock geochemistry, X-ray diffraction, and electron microscopy analyses of samples collected from the uranium ore bodies of two mined-out... -
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...