• Organization: Department of the Interior
• Updated: 2023-04-26T00:00:00Z

This dataset contains major and trace element compositions for a sample of basalt recovered from Rangitoto Island, New Zealand. Both bulk rock and microanalytical observations are made and...

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• Organization: Department of the Interior
• Updated: 2020-09-29T00:00:00Z

In situ geochemical data were obtained for pyrite crystals and native gold from two distinct vein sets in the Grass Valley gold district, California. Samples of the N-S (north-south-trending)...

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• Organization: Department of the Interior
• Updated: 2020-09-29T00:00:00Z

This dataset contains descriptions and analytical data (i.e., electron microprobe, X-ray diffraction, spectral reflectance, and scanning electron microprobe analyses) for unexpanded and expanded...

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• Organization: Department of the Interior
• Updated: 2020-09-29T00:00:00Z

This folder contains descriptions and analytical data (i.e., electron microprobe, X-ray diffraction, spectral reflectance, and scanning electron microprobe analyses) for unexpanded and expanded...

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• Organization: Department of the Interior
• Updated: 2024-08-19T00:00:00Z

This data release includes electron microprobe and 40Ar/39Ar measurements collected at the U.S. Geological Survey for samples from the East Derby Shear Zone (EDSZ) in Connecticut, USA. Rock...

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• Organization: Department of the Interior
• Updated: 2023-02-02T00:00:00Z

This data release includes electron microprobe and 40Ar/39Ar collected at the U.S. Geological Survey for samples from the Sukari gold deposit in the Eastern Desert of Egypt. Rock samples were...

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

The table contains oxide and cation compositions of feldspar grains from drill core of the Duluth Complex. The oxides were determined by electron probe microanalysis (EPMA) and are are reported in...

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

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 are reported in...

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

The table contains oxide and cation compositions of olivine grains from drill core of the Duluth Complex, Minnesota. The oxides were determined by electron probe microanalysis (EPMA) and are...

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• Organization: Department of Commerce
• Updated: 2012-01-01 00:00:00

**** Note that this SRD is superseded by SRD 64 Version 4.0. ****The NIST Electron Elastic-Scattering Cross-Section Database provides values of differential elastic-scattering cross sections,...

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• Organization: Department of the Interior
• Updated: 2020-08-20T00:00:00Z

This data dictionary describes most of the possible output options given in the Probe for EPMA software package developed by Probe Software. Examples of the data output options include sample...

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• Organization: Department of Commerce
• Updated: 2012-01-01 00:00:00

Note that this SRD supersedes SRD 64 Version 3.2. The NIST Electron Elastic-Scattering Cross-Section Database provides values of differential elastic-scattering cross sections, total...

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• Organization: Department of the Interior
• Updated: 2020-09-29T00:00:00Z

This data release includes geochemical, x-ray diffraction mineralogical, and electron probe microanalysis (EPMA) data on rocks, soils, and sediments collected near the Orange Hill and Bond Creek...

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• Organization: National Institute of Standards and Technology
• Updated: 2012-01-01 00:00:00

Note that this SRD supersedes SRD 64 Version 3.2. The NIST Electron Elastic-Scattering Cross-Section Database provides values of differential elastic-scattering cross sections, total...

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• Organization: National Institute of Standards and Technology
• Updated: 2012-01-01 00:00:00

**** Note that this SRD is superseded by SRD 64 Version 4.0. ****The NIST Electron Elastic-Scattering Cross-Section Database provides values of differential elastic-scattering cross sections,...

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• Organization: Department of the Interior
• Updated: 2020-08-20T00:00:00Z

This dataset contains results from electron microprobe analyses of cassiterite from the Sullivan Pb-Zn-Ag deposit, British Columbia. These data were collected from two samples and may not reflect...

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• Organization: Department of Commerce
• Updated: 2014-01-01 00:00:00

The NIST Database of Cross Sections for Inner-Shell Ionization by Electron or Positron Impact provides cross sections for ionization of the K shell and of the L and M subshells of neutral atoms of...

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• Organization: National Institute of Standards and Technology
• Updated: 2014-01-01 00:00:00

The NIST Database of Cross Sections for Inner-Shell Ionization by Electron or Positron Impact provides cross sections for ionization of the K shell and of the L and M subshells of neutral atoms of...

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• Organization: Department of the Interior
• Updated: 2023-05-11T00:00:00Z

Iron oxide-apatite (IOA) deposits of the Adirondack Mountains of New York locally contain elevated REE concentrations (e.g. Taylor and others, 2019). Critical to evaluating resource potential is...

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• Organization: Department of the Interior
• Updated: 2021-12-16T00:00:00Z

The exploration for porphyry deposits in some parts of Alaska may require unconventional exploration geochemical methods, depending on type of cover. The Taurus deposit and others in the region...

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