Geologic and Grade-Tonnage Information on
Tertiary Epithermal Precious- and Base-Metal
Vein Districts Associated with Volcanic Rocks
By Dan L. Mosier, W. David Menzie, and Frank J. Kleinhampl
U.S. Geological Survey Bulletin 1666
This publication is a compilation of data on grade, tonnage, and geology
of 215 Tertiary epithermal precious- and base-metal vein districts
associated with volcanic rocks worldwide. The data were collected for
constructing both descriptive and grade-tonnage models but are given here
in tabular form for the ease of examination and comparison among districts.
Originally published in 1986, this report is presented here in
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