Mine detail: Thompson

Previously called 'American Girl'

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Location

Lat / long:

40.67957, -122.31442

Resource(M)

Tertiary:	Copper, Gold
Ore:	Chalcocite, Chalcopyrite, Pyrite
Gangue:	Bornite, Quartz

Production

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

Geology

Host type:	Diorite
Associated type:	Diorite
Structure:	Shear Zones Exposed In Stream Bed, Strikes N 20 Degrees - 40 Degrees West And Dips Vertical. One Zone 25 Feet Wide In 1957 Contained Massive Pyrite With Some Chalcopyrite, Bornite And Quartz.

References

MRDS	M020540
DEP	10033890
Reference	LYDON, P. A. AND *RIEN, J. C., 1974 , MINES AND MINERAL RESOURCES OF SHASTA COUNTY, CALIF., COUNTY REPORT, 6 , CALIF. DIV. MINES AND GEOLOGY, PG. 40 - 4
Reporter	Fraticelli, L. A. (Albers, J.)