Commodities
PrimarySilver, Tungsten, Gold
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
Ore controlPrimary Joints And Fractures In Stock
Materials
Ore mineralsPyrite, Scheelite
GangueEpidote, Hematite, Montmorillonite, Quartz
Geology
Host rockTonalite · Tonalite;Metasedimentary Rocks--Mica Schist
Associated rockTonalite · Tonalite
StructureFront Range Uplift, Cheyenne Basin, Big Thompson Anticline, Milner Mountain Fault, Fletcher Hill (Buck Horn) Fault, Masonville Anticline, Buckhorn Syncline, Masonville Stock , Redstone Fault
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationHydrothermal Montmorillonite In Fractures
Economic & production
Development statusProducer
Identification
Deposit ID10013973
MRDS IDD010552
Alternate namesMason Ranch Mine
RegionNA
Data scoreB
Coordinates40.50081, -105.21115
References
WOLFE, J.A., 1953, GEOLOGY OF THE MASONVILLE MINING DISTRICT, LARIM ER COUNTY, COLORADO: COLORADO SCHOOL OF MINES M.SC. THESIS T-789.BRADDOCK, W.A., AND OTHERS, 1970, GEOLOGIC MAP OF THE MASONVILLE QU ADRANGLE, LARIMER COUNTY, COLORADO: USGS MAP GQ-832.COBB, H.S., 1960, TUNGSTEN MINES OF COLORADO: COLORADO METAL MINING FUND BD., P. 49.BELSER, CARL, 1956, TUNGSTEN POTENTIAL IN CHAFFEE, FREMONT, GUNNISO N, LAKE, LARIMER, PARK, AND SUMMIT COUNTIES, COLORADO: USBM IC-7748, P . 18.