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美国国家地球化学数据库
链接地址: http://minerals.cr.usgs.gov/projects/geochem_database/
内容简介:
【数据内容】
all the data currently contained in four distinct databases managed by the Mineral Resources Program (MRP) (NURE, RASS, Archival PLUTO, Temporary PLUTO) plus all additional data generated by Geologic Division projects in the future.
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