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Federal
Abandoned Mine Land (AML) Geochemical Data: Silver Island and Crater Island Mining Districts, UT
Department of the Interior —
The United States Geological Survey (USGS) collected a total of 179 samples of surficial sediment from abandoned mine wastepiles, ephemeral channels, nearby outcrops,... -
Federal
Long Island Sound metals sample distribution locations
Department of the Interior —
This GIS layer contains a point overlay showing the location of surficial samples used in the analysis of metal distributions in LIS. Attribute information containing... -
Federal
Data for monitoring trace metals in sediment and clam tissue near the Palo Alto Regional Water Quality Control Plant in South San Francisco Bay, California (ver 3.0, July 2025)
Department of the Interior —
Sediment particles can strongly bind metals, effectively repartitioning them from solution to a solid phase. As a result, sediments may accumulate and retain metals... -
Federal
Alaska Resource Data File (ARDF)
Department of the Interior —
The Alaska Resource Data File (ARDF) is a database of mines, prospects, and mineral occurrences in Alaska. It contains information compiled from published and... -
Federal
U-Pb SHRIMP and 40Ar/39Ar geochronologic data and backscatter electron (BSE) and panchromatic cathodoluminescent (CL) imagery of sample materials for study of dikes, country rock, and alteration systems, Butte, U.S.A.
Department of the Interior —
These data are for a multidisciplinary study of dikes, country rock, and alteration systems, Butte, U.S.A. Results of the study are described and interpreted in Lund... -
Federal
40Ar/39Ar geochronologic data for study of alteration systems, Butte, U.S.A.
Department of the Interior —
These 40Ar/39Ar thermochronologic data for white mica and K-feldspar from alteration zones around lode veins are for the study of the Butte mining district, U.S.A.... -
Federal
Backscatter electron (BSE) and panchromatic cathodoluminescent (CL) imagery of sample materials for study of alteration systems, Butte, U.S.A.
Department of the Interior —
Backscatter electron (BSE) and panchromatic cathodoluminescent (CL) imagery of minerals from samples dated by 40Ar/39Ar are for the study of the Butte mining... -
Federal
40Ar/39Ar geochronologic data for study of country rock, Butte, U.S.A.
Department of the Interior —
These 40Ar/39Ar thermochronologic data for biotite, hornblende, and K-feldspar from Butte granite country rock are for the study of the Butte mining district, U.S.A.... -
Federal
Tables of electron probe microanalyses from the Copperwood sediment-hosted stratiform copper deposit, Michigan, USA
Department of the Interior —
This data release provides electron microprobe analyses of ore minerals from the Copperwood sediment-hosted stratiform copper deposit in the Upper Peninsula of... -
Federal
GIS Data for Geologic Maps of Ravalli Group and Other Mesoproterozoic Belt Supergroup Strata Based on Mapping by ASARCO in Northern Idaho and Northwestern Montana
Department of the Interior —
The data release for geologic maps of Ravalli Group and other Mesoproterozoic Belt Supergroup strata in northern Idaho and northwestern Montana is a digital, Geologic... -
Federal
Mineral Commodity Summaries 2023 - SILVER Data Release
Department of the Interior —
This data release contains the U.S. salient statistics and world production data extracted from the SILVER data sheet of the USGS Mineral Commodity Summaries 2023.