Electron microprobe data for plagioclase, olivine, pyroxene, and spinel in volcanic rocks from the Matan volcanic center located within the Harrat Rahat volcanic field, Kingdom of Saudi Arabia
Dates
Publication Date
2022-02-15
Start Date
2015-01-07
End Date
2019-12-02
Citation
Stelten, M.E., and Downs, D.T., 2022, Electron microprobe data for plagioclase, olivine, pyroxene, and spinel in volcanic rocks from the Matan volcanic center located within the Harrat Rahat volcanic field, Kingdom of Saudi Arabia: U.S. Geological Survey data release, https://doi.org/10.5066/P9ENRS8U.
Summary
Mineral compositions are reported for Quaternary volcanic rocks of the Matan volcanic center, northern Harrat Rahat, Saudi Arabia. Compositions were measured by wavelength-dispersive methods with the 5-spectrometer JEOL-8900 electron microprobe at the USGS facility in Menlo Park, California; background-corrected X-ray intensities were reduced to oxide weight concentrations with the JEOL proprietary version of the CITZAF reduction schema. These results are part of a collaborative study by the U.S. Geological Survey and Saudi Geological survey to assess the volcanic and seismic hazards associated with the northern Harrat Rahat volcanic field.
Summary
Mineral compositions are reported for Quaternary volcanic rocks of the Matan volcanic center, northern Harrat Rahat, Saudi Arabia. Compositions were measured by wavelength-dispersive methods with the 5-spectrometer JEOL-8900 electron microprobe at the USGS facility in Menlo Park, California; background-corrected X-ray intensities were reduced to oxide weight concentrations with the JEOL proprietary version of the CITZAF reduction schema. These results are part of a collaborative study by the U.S. Geological Survey and Saudi Geological survey to assess the volcanic and seismic hazards associated with the northern Harrat Rahat volcanic field.
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MVC_EMPA_metadata.xml “Metadata” Original FGDC Metadata
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MVC_EMPAdata.csv “EMPA data table”
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MVC_EMPA_metadata.txt “Metadata”
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Purpose
The data were collected to determine composition of mineral phases of Quaternary volcanic rocks of northern Harrat Rahat, Kingdom of Saudi Arabia. These compositions help to understand the origin and compositional evolution of volcanic rocks within northern Harrat Rahat.
