Mine detail: Copper Castle Prospect

Previously called 'Helms Prospect'

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Location

Lat / long:

48.7426, -120.72453

Resource(M)

Primary:	Gold
Ore:	Gold
Orebody form:	VEIN
Discovery year:	1935

Production

Operation type:	Unknown
Production size:	None
Development status:	Occurrence

Geology

Host rock:	Harts Pass Group, Harts Pass Formation
Host type:	Clastic Sedimentary Rock
Tectonic:	Cascade Volcanic Arc

References

MRDS	M700024
DEP	10095755
Reference	{Deposit:: MOEN, W.S., 1969, INVENTORY OF WASHINGTON MINERALS, PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY, BUL. 37, P 119.}{Deposit:: STOFFEL, K.L., AND MCGRODER, M.F., 1990, GEOLOGIC MAP OF THE ROBINSON MTN. 1:100,000 QUADRANGLE, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-5, SCALE 1:100,000.}
Reporter	Caress, Mary E. (Evarts, Russ), Peterson, Jocelyn A.