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Data

We provide data on mineral resources through multiple pathways, from publications to data releases. 

Browse below for recent datasets.

Filter Total Items: 404

U-Th-Pb Geochronology of the Mentor Anorthosite Intrusive Complex (MAIC) and Regional Plutonic Units U-Th-Pb Geochronology of the Mentor Anorthosite Intrusive Complex (MAIC) and Regional Plutonic Units

This U.S. Geological Survey (USGS) data release accompanies planned publication 'Geophysical architecture and geochronology of the Neoarchean Mentor anorthosite intrusive complex, northwestern Minnesota: largest anorthosite complex of the Superior Province?'. The data release includes laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) U-Pb zircon geochronology data...

Argon data for samples from Sheep Creek and other mineral systems in central and western Montana, USA Argon data for samples from Sheep Creek and other mineral systems in central and western Montana, USA

This dataset includes 40Ar/39Ar data for 14 samples from the Sheep Creek carbonatite occurrence and other mineral systems in central and western Montana, USA. Samples were acquired from this area by Christopher Gammons and his students (Montana Technological University). Mineral separates of biotite and sericite from the samples were analyzed in the Denver Argon Geochronology Laboratory...

Geochemistry and mineralogy of mill tailings from the Ducktown mining district, Tennessee, USA Geochemistry and mineralogy of mill tailings from the Ducktown mining district, Tennessee, USA

These .csv files contain data on the bulk mineralogy and geochemistry of tailings samples from the Ducktown volcanogenic massive sulfide mining district in Tennessee, USA. The reported geochemistry was collected using inductively-coupled plasma optical emission spectroscopy/mass spectrometry (ICP-OES/MS), wavelength-dispersive X-ray fluorescence (WDXRF), lead fire assay-inductively...

Density and magnetic susceptibility measurements on Archean rocks, northwestern Minnesota, 2021 Density and magnetic susceptibility measurements on Archean rocks, northwestern Minnesota, 2021

Rock physical property measurements were collected on core samples to help understand the causative sources of gravity and magnetic survey anomalies in northwestern Minnesota. A total of 410 measurements of magnetic susceptibility and density on Archean core samples from 20 boreholes have been conducted. The measurements aid in interpretation of gravity and airborne magnetic data that...

Stable oxygen, hydrogen, sulfur, carbon, and nitrogen isotope analyses of mineral deposits and mineral occurrences Stable oxygen, hydrogen, sulfur, carbon, and nitrogen isotope analyses of mineral deposits and mineral occurrences

Stable isotope analyses are reported (the ratios deuterium/protium, carbon-13/carbon-12, oxygen-18/oxygen-16, sulfur-34/sulfur-32, nitrogen-15/nitrogen-14) for ores and related rocks, and mineral occurrences in sedimentary, igneous, and metamorphic rocks from Hicks Dome, Illinois; Clementine copper porphyry prospect, Boulder copper porphyry, and the Elkhorn Mining District, Montana; Pogo...

SHRIMP-RG U-Pb ages and trace element data of zircons, and whole-rock Sr-Nd-Pb isotopic data, from Sonoran and Sinaloan Neoproterozoic to Paleogene metaigneous and metasedimentary samples, northern Mexico SHRIMP-RG U-Pb ages and trace element data of zircons, and whole-rock Sr-Nd-Pb isotopic data, from Sonoran and Sinaloan Neoproterozoic to Paleogene metaigneous and metasedimentary samples, northern Mexico

This dataset accompanies two proposed publications, "Descriptions and age constraints for new Jurassic flora fossils in west-central Sonora, Mexico: Results from U-Pb zircon geochronology, Sr-Nd isotopes, and megafossil taxa" and "Summary of Paleozoic and Mesozoic Rocks in Sonora and northern Sinaloa, Mexico", which will both report zircon SHRIMP-RG U-Pb ages and whole-rock isotope...

U-Pb detrital zircon geochronology data for Jurassic terranes in the western Sierra Nevada, CA U-Pb detrital zircon geochronology data for Jurassic terranes in the western Sierra Nevada, CA

This dataset consists of three turbidite sandstone samples that were analyzed for U-Pb detrital zircon ages. The dataset accompanies the publication "An empirical test of Maximum Depositional Age through paired LA-ICP-MS and CA-ID-TIMS detrital zircon analysis: implications for the "Nevadan orogeny" in the Sierra Nevada foothills, California, U.S.A.", as well as planned future...

Data (VNIR-SWIR reflectance, TIR emissivity, XRD and ATR-FTIR) Supporting Analyses of NYF Pegmatite and Garnet-Biotite Gneiss Rocks from Amelia County, Virginia Data (VNIR-SWIR reflectance, TIR emissivity, XRD and ATR-FTIR) Supporting Analyses of NYF Pegmatite and Garnet-Biotite Gneiss Rocks from Amelia County, Virginia

This data set represents laboratory measurements conducted on a suite of select 53 pegmatite and host rock samples to better spectrally characterize complex pegmatite minerals. Of these 53 samples that were measured and analyzed, this includes 24 samples collected from the Morefield Mine, Amelia County, VA, six samples from the Martin-Marietta Amelia Quarry, Amelia County, VA, three...

Consolidated Prospect- and Mine-Related Features from U.S. Geological Survey 7.5- and 15-Minute Topographic Quadrangle Maps of the United States Consolidated Prospect- and Mine-Related Features from U.S. Geological Survey 7.5- and 15-Minute Topographic Quadrangle Maps of the United States

These data, modified from Horton and San Juan (2016), are a consolidation of point and polygon features representing mine and prospect-related symbols shown on U.S. Geological Survey (USGS) 7.5- and 15-minute topographic maps from the Historical Topographic Map Collection (HTMC). This consolidation supports more accurate counts of mine features represented in the database, which are...

Domestic and international rock geochemistry of ore and host rocks generated by the Critical Minerals Mapping Initiative Domestic and international rock geochemistry of ore and host rocks generated by the Critical Minerals Mapping Initiative

Geochemical data included were generated as part of the Critical Minerals Mapping Initiative (CMMI). Individual samples are classified according to the Hofstra et al. (2021) CMMI deposit classification scheme. The goal of CMMI is to collaborate with Geoscience Australia and the Geological Survey of Canada to build a global database of critical minerals in a variety of ore deposits. The...

Magnetic susceptibility and gamma ray spectrometry measurements in southwestern Montana, 2025 Magnetic susceptibility and gamma ray spectrometry measurements in southwestern Montana, 2025

This dataset includes rock magnetic susceptibility and gamma ray spectrometry measurements from 204 outcrops in southwest Montana during 2025. The measurements were collected to understand the causative sources of airborne magnetic and radiometric survey anomalies in the Idaho-Montana porphyry belt. Sixteen magnetic susceptibility measurements were collected at each analyzed site using a...

Select Mineral Abundancy Data from Alaska Placer and Pan Concentrate Samples Reanalyzed from 2020-2025 Select Mineral Abundancy Data from Alaska Placer and Pan Concentrate Samples Reanalyzed from 2020-2025

Samples from the Alaska Placer Concentrate Collection (APCC) were retrieved from the U.S. Geological Survey (USGS) National Geochemical Sample Archives and submitted for mineralogical analysis at the Colorado School of Mines. The APPC contains samples from placer mining operations throughout Alaska. The original collection contained approximately 5,000 samples that were collected by USGS...
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