Skip to main content
U.S. flag

An official website of the United States government

Sampling Mineral Deposit

By Geology, Geophysics, and Geochemistry Science Center 2009 (approx.)
scientists sampling mineral deposit
Original Thumbnail Medium

Detailed Description

Two USGS scientists sampling the unmined, natural Napoleon Ridge porphyry copper-molybdenum deposit along Dump Creek near North Fork, Idaho.

Sources/Usage

Public Domain.

USGS Data Series 433
Giles, S.A., Granitto, M., and Eppinger, R.G., 2009, Selected geochemical data for modeling near-surface processes in mineral systems: U.S. Geological Survey Data Series 433, CD-ROM, https://pubs.usgs.gov/ds/433/.