Systems-deposits-commodities-critical minerals table for the earth mapping resources initiative

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Description Describes the rationale for, and structure of, a table developed for Earth MRI that relates critical minerals and principal commodities to the deposit types and mineral systems in which they are concentrated. The hierarchical relationship between systems, deposits, commodities, and critical minerals makes it possible to define and prioritize each system-based focus area once for all of the critical minerals that it may contain.
Publication U.S. Geological Survey Open-File Report 2020-1042

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