Mine detail: Pyramid Group

Previously called 'Patented Claims: Princess Nos. 1-2, MS 17971Pyramid Nos. 1-4, MS 17971Derby Nos. 1-4, MS 17971Throughbred Nos. 1-4, MS 17971Kentucky Boy Nos. 1-3, MS 17971'

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Location

Lat / long:

38.52582, -109.03208

Resource(M)

Primary:	Copper
Tertiary:	Chromium
Ore:	Bornite, Chalcopyrite, Enargite
Gangue:	Calcite
Discovery year:	1906

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	Small
Development status:	Past Producer
First production started:	1908

Geology

Host rock:	Wingate Sandstone;Chinle Formation
Host type:	Sandstone
Structure:	Paradox Basin Fold And Fault Belt, Sinbad Valley Anticline, Sinbad Valley Graben
Tectonic:	Colorado Platform
Alteration processes:	Oxidation Of Cu Sulfide To Carbonate

References

MRDS	D010960
DEP	10014263
Reference	{Deposit:: HOLMES, R.V., AND HARRER, C.M., 1952, INVESTIGATION OF THE COLORADO COPPER CO. PROPERTIES, MESA AND MONTROSE COUNTIES, COLORADO: USBM RI-4869.}{Deposit:: SCHWOCHOW, S.D., 1978, MINERAL RESOURCES SURVEY OF MESA COUNTY, A MODEL STUDY: CGS RESOURCE SER. 2, P. 14-16.}{Deposit:: BLM MINERAL SURVEY MS 17971}
Reporter	Schwochow, Stephen D.