Mine detail: Black Cloud Group

Previously called ''

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Location

Lat / long: 40.76291, -122.92222

Resource(M)

Primary: Gold
Ore: Gold
Gangue: Quartz

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer

Geology

Host type:Metasedimentary Rock,Mica Schist,Volcanic Rock (Aphanitic)
Associated type:Volcanic Rock (Aphanitic)
Alteration processes:Highly-Weathered And Decomposed Zone Near Surface

References

MRDSM023832
DEP10035888
ReferenceAVERILL, C.V., 1941, MINERAL RESOURCES OF TRINITY COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37, NO. 1, P. 26-2
ReporterNelson, Scott C. (Albers, John, P.)