Mine detail: Simon-Cumbo

Previously called ''

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Location

Lat / long: 47.40816, -120.34949

Resource(M)

Primary: Gold, Silver
Ore: Acanthite, Electrum, Gold, Pyrargyrite
Gangue: Calcite, Chalcedony, Quartz
Orebody form: VEINS

Production

Operation type: Unknown
Production size: Small
Development status: Prospect

Geology

Host rock:Chumsitck Formation
Host type:Sandstone
Structure:Chiwakum Graben Bounded By Entiat And Leavenworth Faults. District Is Dominated By Post-Mineralization Fold And Thrust Belt
Tectonic:Cascade Volcanic Arc
Alteration processes:Silicification

References

MRDSMP00271
DEP10048659
ReferenceDERKEY, R.E., GULICK, C.W., LINGLEY, W.S., JR., 1993, WASHINGTO* MINERAL INDUSTRY - 1992: WASHINGTON GEOLOGY, V. 21, NO. 1, P. 3-25
ReporterPeterson, Jocelyn A.