Commodities
PrimaryVermiculite
Commodity typeN
Materials
GangueAugite, Biotite, Magnetite
Geology
Host rockPyroxenite
Associated rockPyroxenite,Intrusive Carbonatite · Pyroxenite;Uncompahgrite;Ijolite;Carbonatite
StructureGunnison Uplift, San Juan Volcanic Field, Iron Hill Alkalic Complex, Cimarron Fault, Powderhorn Stock
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationAlteration Of Biotite And/Or Phlogopite To Vermiculite
Economic & production
Development statusPast Producer
Identification
Deposit ID10087975
MRDS IDD011411
RegionNA
Data scoreB
Coordinates38.24056, -107.04618
References
OLSON, J.C., 1974, GEOLOGIC MAP OF THE RUDOLPH HILL QUADRANGLE, GUNNISON, HINSDALE, AND SAGUACHE COUNTIES, COLORADO: USGS MAP GQ-1177.GLOSSER, CLYDE, 1943, VERMICULITE FOR VICTORY: COLORADO MINING ASSOC. 1943 MINING YEARBOOK, P. 37, 67.