Department of the Interior, U.S. Geological Survey, 345 Middlefield Road,Mail Stop 285, Menlo Park, CA 94025-3591

B -- COMPILING DATA ON ROCK TYPES, SPATIAL RELATIONS AND GEOCHEMISTRY WITH 15 MINERAL DEPOSIT TYPES. SOL 0-7410-5002 DUE 120399 POC Trinidad F. Biando (650) 329-4176 E-MAIL: tbiando@wr.usgs.gov, tbiando@wr.usgs.gov. The U.S. Geological Survey intends to procure from Vladimir Berger, the only source for compiling data on rock types associated with 15 mineral deposit types. Compile data on the spatial relations among 15 mineral deposit types, and compile data on the spatial relations of geochemistry and structures near at least 20 porphyry copper deposits. Prepare report on rock geochemistry of norther carlin trend, Nevada. Posted 11/12/99 (W-SN400239). (0316)

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