• Organization: Department of the Interior
• Updated: 2025-05-28T00:00:00Z

Rhenium-osmium (Re-Os) geochronology of molybdenite provides a tool to directly date mineralizing events in hydrothermal systems. In the Yukon-Tanana upland of eastern Alaska, numerous...

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• Organization: Department of the Interior
• Updated: 2020-08-21T00:00:00Z

This data release provides descriptions of more than 100 mining districts, mines, and mineral occurrences (deposits and prospects) within the United States that are reported to contain enrichments...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2001-01-01T00:00:00.000+00:00

This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI...

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• Organization: National Institute of Standards and Technology
• Updated: 2005-08-01 00:00:00

This handbook provides a selection of the most important and frequently used atomic spectroscopic data in an easily accessible format. The compilation includes energy levels, ionization energies,...

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• Organization: National Institute of Standards and Technology
• Updated: 2014-09-19 00:00:00

This interactive database, maintained by the NIST Atomic Spectroscopy Data Center, contains more than 8000 references, dating from 1914 through current year and is updated regularly in intervals...

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• Organization: National Institute of Standards and Technology
• Updated: 2017-11-01 00:00:00

This database provides access and search capability for NIST critically evaluated data on atomic energy levels, wavelengths, and transition probabilities that are reasonably up-to-date. The Atomic...

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• Organization: Department of the Interior
• Updated: 2021-11-03T00:00:00Z

There is a growing demand for commodities (elements, compounds, minerals) used in today's advanced technologies. Critical minerals are usually found in ore deposits that are deemed vital to...

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• Organization: National Institute of Standards and Technology
• Updated: 2014-09-19 00:00:00

This interactive database, maintained by the NIST Atomic Spectroscopy Data Center, contains more than 6000 references, dating from 1889 through current year and is updated regularly in intervals...

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• Organization: Department of the Interior
• Updated: 2020-09-10T00:00:00Z

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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• Organization: National Institute of Standards and Technology
• Updated: 2014-09-19 00:00:00

References contained in this database are from Bibliography on Atomic Energy Levels and Spectra, NBS Special Publication 363 and Supplements, as well as current references since the last published...

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• Organization: Department of the Interior
• Updated: 2024-01-26T00:00:00Z

The Alaska Geochemical Database Version 4.0 (AGDB4) contains geochemical data compilations in which each geologic material sample has one best value determination for each analyzed species,...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2024-12-13T00:00:00.000+00:00

This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI...

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