Mine detail: Scratchgravel District

Previously called 'Scratchgravel HillsGrass Valley'

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Location

Lat / long: 46.6666, -112.08418

Resource(M)

Primary: Silver, Gold, Lead
Secondary: Copper, Zinc, Iron
Tertiary: Arsenic, Vanadium
Discovery year: 1864

Production

Operation type: Unknown
Deposit type: VEIN, SHEAR ZONE, CONTACT METASOMATIC, PLACER
Production size: Medium
Development status: Past Producer

Geology

Structure:SCRATCHGRAVEL QUARTZ MONZONITE STOCK, BOULDER BATHOLITH

References

MRDSD009570
DEP60000361
Reference{Deposit:: USGS BULL 842, P. 35-41.}{Deposit:: USGS PP 610, P. 158.}{Deposit:: USGS-USBM MINERAL YEARBOOKS.}