Mine detail: Vermiculite Mining Company Mine

Previously called ''

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Location

Lat / long:

38.24056, -107.04618

Resource(N)

Primary:	Vermiculite
Gangue:	Augite, Biotite, Magnetite

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer

Geology

Host type:	Pyroxenite
Associated rock:	Pyroxenite;Uncompahgrite;Ijolite;Carbonatite
Associated type:	Pyroxenite,Intrusive Carbonatite
Structure:	Gunnison Uplift, San Juan Volcanic Field, Iron Hill Alkalic Complex, Cimarron Fault, Powderhorn Stock
Tectonic:	Central Cordillera (Southern Rocky Mtns)
Alteration processes:	Alteration Of Biotite And/Or Phlogopite To Vermiculite

References

MRDS	D011411
DEP	10087975
Reference	{Deposit:: OLSON, J.C., 1974, GEOLOGIC MAP OF THE RUDOLPH HILL QUADRANGLE, GUNNISON, HINSDALE, AND SAGUACHE COUNTIES, COLORADO: USGS MAP GQ-1177.}{Deposit:: GLOSSER, CLYDE, 1943, VERMICULITE FOR VICTORY: COLORADO MINING ASSOC. 1943 MINING YEARBOOK, P. 37, 67.}
Reporter	Schwochow, Stephen D.