Mine detail: Villa Grove Turquoise Mine

Previously called 'Hall Turquoise MineVilla Grove MineTurquoise Lode and Turquoise Blue Lode Claims'

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Location

Lat / long:

38.29918, -106.05365

Resource(B)

Primary:	Gemstone
Tertiary:	Copper, Lead, Zinc, Molybdenum
Ore:	Turquoise
Gangue:	Hematite, Magnetite, Pyrite

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Last production ended:	1975

Geology

Host rock:	Turquesa Gabbro
Host type:	Gabbro
Associated rock:	Turquesa Gabbro
Associated type:	Gabbro
Structure:	Sawatch Range, San Juan Volcanic Field, Rio Grande Rift, Bonanza Caldera
Tectonic:	Central Cordillera (Southern Rocky Mtns.)
Alteration processes:	Argillization

References

MRDS	D008245
DEP	10101751
Reference	{Deposit:: PATTON, H.B., 1916, GEOLOGY AND ORE DEPOSITS OF THE BONANZA DISTRICT, SAGUACHE COUNTY, COLORADO: USGS PROF. PAPER 169, 166 P.}{Deposit:: MAYHEW, J.D., 1969, GEOLOGY OF THE EASTERN PART OF THE BONANZA VOLCANIC FIELD, SAGUACHE COUNTY, COLORADO: COLORADO SCHOOL FO MINES M.S. THESIS T-1226.}{Production:: COLO DIV MINES ANN, OPERATOR REPTS}
Reporter	Schwochow, Stephen D.