Catalog - Data.gov

Geochemical Data for Bulk Samples and Their Derivative Size and Density Fractions from Placer Tailings in Alaska

Organization: Department of the Interior
Updated: 20250425 | Harvested: September 07, 2025 at 08:18 PM

This data release contains elemental concentration data from geochemical analysis of eight bulk placer tailing sediment samples and of size and density fractions derived from those eight samples....

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Alaska Geochemical Database Version 3.0 (AGDB3) including best value data compilations for rock, sediment, soil, mineral, and concentrate sample media

Organization: Department of the Interior
Updated: 20200910 | Harvested: July 18, 2025 at 02:37 AM

The Alaska Geochemical Database Version 3.0 (AGDB3) contains new geochemical data compilations in which each geologic material sample has one best value determination for each analyzed species,...

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Abandoned Mine Land (AML) Geochemical Data: Emery County, Utah

Organization: Department of the Interior
Updated: 20241008 | Harvested: July 15, 2025 at 10:56 PM

During August of 2014, the United States Geological Survey (USGS) collected a total of 187 surficial sediment and bedrock samples from abandoned mine wastepiles, ephemeral channels below...

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Data for monitoring trace metal and benthic community near the Palo Alto Regional Water Quality Control Plant in South San Francisco Bay, California (ver. 3.0, July 2025)

Organization: Department of the Interior
Updated: 20250711 | Harvested: August 25, 2025 at 07:26 PM

Trace-metal concentrations in sediment and in the clam Macoma petalum (World Register of Marine Species, 2025; formerly reported as Limecola balthica and M. petalum), clam reproductive activity,...

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Geochemical data used in the tungsten skarn mineral resource assessment of the Great Basin region of western Nevada and eastern California

Organization: Department of the Interior
Updated: 20200826 | Harvested: July 16, 2025 at 03:22 PM

The U.S. Geological Survey (USGS) has undertaken a mineral resources assessment for tungsten for a portion of the Great Basin in parts of western Nevada and east-central California. This data...

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