Mine detail: Standard Specularite Prospect

Previously called 'Siegwein'

<< Back to the map

Location

Lat / long:

44.55126, -117.031

Resource(M)

Tertiary:	Copper, Iron
Ore:	Hematite, Malachite, Specularite
Gangue:	Calcite, Garnet, Jasper, Quartz
Orebody form:	PODS OR LENSES
Discovery year:	1897

Production

Operation type:	Underground
Deposit type:	Replacement
Production size:	None
Development status:	Prospect

Geology

Host rock:	Seven Devils Group-Tactite
Host type:	Greenstone,Skarn (Tactite)
Associated rock:	Quartz Diorite;Andesite;Basalt Dike;Seven Devils Group-Greenstones
Associated type:	Diorite,Greenstone
Structure:	High - Angle Faulting With Westward Tilting Of The Fault Blocks., Andesite Flows Are In Fault Contact With Greenstone.
Tectonic:	Island Arc

References

MRDS	W013011
MAS	160870077
DEP	10090086
Reference	{Deposit:: BELL, R. N., 1918, NINETEENTH ANNUAL REPORT OF THE MINING INDUSTRY OF IDAHO FOR 1917, P. 98.}{Deposit:: MACKIN, J. H., 1953, IRON ORE DEPOSITS OF THE IRON MOUNTAIN DISTRICT, IDAHO: U.S. GEOLOGICAL SURVEY BULL. 982 - E, 30 P.}{Deposit:: MACKIN, J.H., 1947 , IRON ORE DEPOSITS OF THE IRON MOUNTAIN DISTRICT, WASHINGTON COUNTY, IDAHO: USGS OPEN-FILE REPT., 23 P.}{Deposit:: 1918 COMPILE 19TH ANN. REPT. OF THE MINING INDUSTRY FOR 1917}{Deposit:: 1947 RECON MACKIN, J.H., 1947 , OPEN-FILE REPT.}{Deposit:: 1953 GEOLMAP MACKIN, J.H., 1953 , BULL. 982-E}
Reporter	Winters, Dick , Nakai, Terry L.; Miller, Pat