Commodities
PrimaryManganese
Commodity typeM
Deposit
Deposit sizeS
Ore controlExtinct Hot Springs At Fault Intersection
Materials
Ore mineralsWad
GangueJasper, Limonite, Opal
Geology
Host rockPyroxenite,Granite
Associated rockPyroxenite,Granite · Jasper;Pyroxenite;Fine-To Medium-Grained Granite;Powderhorn Granite
StructureGunnison Uplift, San Juan Volcanic Field, Iron Hill Alkalic Complex, Cimarron Fault, Powderhorn Stock, Unnamed Faults
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationOxidation Of Fe And Mn
Economic & production
Development statusPast Producer
First production1943
Last production1943
Identification
Deposit ID10014561
MRDS IDD011386
RegionNA
Data scoreB
Coordinates38.23444, -107.06506
References
OLSON, J.C., 1974, GEOLOGIC MAP OF THE RUDOLPH HILL QUADRANGLE, GUNNISON, HINSDALE, AND SAGUACHE COUNTIES, COLORADO: USGS MAP GQ-1177.MUILENBURG, G.A., 1919, MANGANESE DEPOSITS OF COLORADO: CGS BULL. 15, P. 38-40.COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.LA PLANTE, F.R., 1943, GUNNISON COUNTY ACTIVITIES: COLORADO MINING ASSOC. 1943 MINING YEARBOOK, P. 35-36. PRODCOLORADO DIV. MINES ANNUAL OPERATOR REPT. AND INF. REPT.