Mine detail: Colorado

Previously called 'Colorado Quartz Mine'

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Location

Lat / long:

37.55549, -119.97265

Resource(M)

Primary:	Gold
Secondary:	Silver
Ore:	Gold, Pyrite, Silver
Gangue:	Quartz
Orebody form:	PINCH AND SWELL

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	1915 - 1938

Geology

Host type:

Metasedimentary Rock,Slate

References

MRDS	M009719
DEP	10031125
Reference	{Deposit:: BOWEN, O. E., JR., & GRAY, H., JR., 1957 , MINES AND MINERAL DEPOSITS OF MARIPOSA COUNTY, CALIF.: CALIF. JOUR. MINES & GEOL., VOL. 53 , NOS. 1 & 2 , P. 90 - 91 , 251 .}{Deposit:: LAIZURE, C. MCK., 1928 , S. F. FIELD DIV.- MARIPOSA COUNTY: 24TH REPORT STATE MINERALOGIST, VOL. 24 , NO. 2 , P. 84 , 124 .}{Deposit:: CASTELLO, W. O., 1921 , MARIPOSA COUNTY: 17TH REPORT STATE MINERALOGIST ( FOR 1920 ), P. 111 .}{Production:: BOWEN AND GRAY, 1957}
Reporter	Gere, W., Tatkin, T.; Albers, J.