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U.S. Geological Survey Open-File Report 93–0280, Version 1.0

Digital Grade and Tonnage Data for 50 Types of Mineral Deposits

By Donald A. Singer, Dan L. Mosier, and David W. Menzie


This publication is a compilation of grade and tonnage data for major commodities produced from 3310 worldwide mineral deposits, grouped into 50 deposit types. The data were used to costruct grade and tonnage models published in works by Cox and Singer (1986), Mosier and Page (1988), and Bliss (1992).

of93-0280.pdf file (492 kB)

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For more information about this report contact William D. Heran at

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