BIR-1 and BIR-1a Geochemical Reference Material Information Sheet
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USGS-BIR-1-and-BIR-1a-IS_2022-508.pdf
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Detailed Description
USGS Geochemical Reference Material Information Sheet for BIR-1 and BIR-1a (Icelandic Basalt), updated June 2022.
Sources/Usage
Public Domain.