Mine detail: Joker Lode Iron Deposit

Previously called 'Long Gulch Lode ClaimsIron MineIron Age Mine'

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Location

Lat / long:

38.51668, -105.68252

Resource(M)

Primary:	Iron
Ore:	Hematite
Gangue:	Chlorite, Epidote
Discovery year:	1954

Production

Operation type:	Unknown
Production size:	None
Development status:	Occurrence

Geology

Host type:	Gneiss
Structure:	Waugh Mountain Volcanic Center, Thirtynine Mile Volcanic Field, Cotopaxi Fault, Texas Creek Fault; Shear Zones
Tectonic:	Central Cordillera (Southern Rocky Mountains)
Alteration processes:	Oxidation

References

MRDS	D009486
DEP	10094574
Reference	{Deposit:: 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.}{Deposit:: BUTLER, J.R., 1954, GEOLOGY OF AN AREA NORTH OF COTOPAXI, FREMONT COUNTY, COLORADO: M.S. THESIS, UNIVERSITY OF COLORADO; P. 47-48}{Deposit:: HARRER, C.M. AND TESCH, W.J., JR., 1959, RECONNAISSANCE OF IRON OCCURRENCES IN COLORADO: USBM INFORMATION CIRCULAR 7918, P. 31-32.}
Reporter	Collins, Donna B.