USGS Minerals Statistics and Information

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only in this directory Mineralogy Education (6) Gemstone (24) Geochemistry@ (49) Igneous Petrology (4) Metallic Deposits (19) Metamorphic Petrology (1) Meteorites (2) Minerals (64) Mining (22) Organizations (38) Publications (4) Research (2) Rock and Mineral Localities (15) Rockhounding (16) Sedimentary Petrology (8) University Departments and Programs (1)	USGS Minerals Statistics and Information Statistics and information on the worldwide supply, demand, and flow of minerals and materials essential to the U.S. economy, the national security, and protection of the environment.