Mine detail: Cold Spring Mine

Previously called ''

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Location

Lat / long:

39.9811, -105.48198

Resource(M)

Primary:

Tungsten

Production

Operation type:	Unknown
Production size:	Yes
Development status:	Producer
First production started:	1908

Geology

Host type:	Gneiss
Structure:	Normal Faulting
Alteration processes:	Argillization And Silicification Of Wall Rock

References

MRDS	D001110
DEP	10008742
Reference	{Deposit:: LEMMON, D.M., UNPUBLISHED DATA.}{Deposit:: LEMMON, D.M., AND TWETO, O.L., 1962, TUNGSTEN IN THE U.S., USGS MAP, MR-25.}{Deposit:: COLO. STATE METAL MINING FUND, 1960, TUNGSTEN MINES OF COLORADO.}{Production:: LEMMON, D.M. (UNPUBLISHED DATA)}
Reporter	Melton, Greg, Elliott, James E.