Mine detail: Porterfield Prospect

Previously called ''

<< Back to the map

Location

Lat / long:

45.03569, -113.82981

Resource(M)

Primary:	Copper
Ore:	Chalcopyrite, Malachite
Gangue:	Limonite, Quartz
Other material:	Quartzite

Production

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

Geology

Host rock:	Yellowjacket Formation
Host type:	Quartzite
Associated rock:	Challis Volcanics-Vitrophyre;Post Challis Intrusives-Dacite Porphyry
Associated type:	Volcanic Rock (Aphanitic)
Alteration processes:	Brecciation, Epidote

References

MRDS	W013370
MAS	160590196
DEP	10070434
Reference	{Deposit:: Anderson, A. L., 1956, Geology And Mineral Resources Of The Salmon Quadrangle, Lemhi County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 106, 102 P.}{Deposit:: Ross, C. P., 1925, The Copper Deposits Near Salmon, Idaho: USGS Bulletin 774, P. 37.}
Reporter	Miller, Pat J., Loen, Jeffrey S. (Pearson, Robert C.), Western Field Operations Center (WFOC)