Colorado · Fremont County
Occurrence

Joker Lode Iron Deposit

Fremont County, Colorado, United States
Iron
⌖ Show on mapUSGS source ↗
Commodities
PrimaryIron
Commodity typeM
Deposit
Deposit sizeN
WorkingsSurface
Ore controlNorth-Trending Shear Zone
Materials
Ore mineralsHematite
GangueChlorite, Epidote
Geology
Host rockGneiss
StructureWaugh Mountain Volcanic Center, Thirtynine Mile Volcanic Field, Cotopaxi Fault, Texas Creek Fault; Shear Zones
Tectonic settingCentral Cordillera (Southern Rocky Mountains)
AlterationOxidation
Economic & production
Development statusOccurrence
Discovery year1954
Identification
Deposit ID10094574
MRDS IDD009486
Alternate namesLong Gulch Lode Claims, Iron Mine, Iron Age Mine
RegionNA
Data scoreB
Coordinates38.51668, -105.68252
References
EPIS, R.C., WOBUS, R.A. AND SCOTT, G.R., 1979, GEOLOGIC MAP OF THE BLACK MOUNTAIN QUADRANGLE, FREMONT AND PARK COUNTIES, COLORADO: USGS MAP I-1195, 1:62,500.BUTLER, J.R., 1954, GEOLOGY OF AN AREA NORTH OF COTOPAXI, FREMONT COUNTY, COLORADO: M.S. THESIS, UNIVERSITY OF COLORADO; P. 47-48HARRER, C.M. AND TESCH, W.J., JR., 1959, RECONNAISSANCE OF IRON OCCURRENCES IN COLORADO: USBM INFORMATION CIRCULAR 7918, P. 31-32.