Mine detail: Francis Virdin Park

Previously called ''

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Location

Lat / long:

47.26982, -120.61145

Resource(M)

Primary:	Gold
Secondary:	Silver
Ore:	Gold
Gangue:	Calcite, Quartz
Orebody form:	VEIN

Production

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

Geology

Host rock:	Swauk Formation
Host type:	Sandstone
Associated type:	Basalt
Tectonic:	Cascade Volcanic Arc
Alteration processes:	Silicified Zone

References

MRDS	MP00226
DEP	10048626
Reference	{Deposit:: DERKEY, R.E., JOSEPH, N.L., AND LASMANIS, RAYMOND, 1990, METAL MINES OF WASHINGTON - PRELIMINARY REPORT: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, P. 132}{Production:: DERKEY AND OTHERS, 1990}
Reporter	Peterson, Jocelyn A.