Mine detail: Ritchie Creek Propsect

Previously called ''

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Location

Lat / long:

45.48833, -90.05677

Resource(M)

Primary:	Copper
Secondary:	Gold
Tertiary:	Zinc
Ore:	Bornite, Chalcocite, Chalcopyrite, Electrum, Gold, Magnetite, Pyrite, Pyrrhotite, Tennantite, Tetrahedrite
Discovery year:	1979

Production

Operation type:	Unknown
Production size:	Unknown
Development status:	Prospect

Geology

Host rock:	Quartz-Sericite Schists
Host type:	Rhyolite
Structure:	Steeply Dipping Isoclinally Folded To Locally Gently Dipping Volcanic Sections., Main Zone Is At The Western Edge Of A Felsic Center Developed On The Flanks Of A Mafic Volcanic-Intrusive Complex
Tectonic:	Back-Arc Basin. Laberge Suggests That These Metasediments May Have Been Deposited In A Number Of Basins Formed By Fault Grabens During The Late Penokean Orogeny.
Alteration processes:	Upper Greenschist To Lower Amphibolite Facies. In The Main Zone There Is Partial Replacement Of Previously Deposited Exhalite.

References

MRDS	W060003
DEP	10082577
Reference	{Deposit:: DEMATTIES, 1990, ECON. GEOL., V.85, P. 1908-1916}{Deposit:: LABERGE, G.L., ED., VOLCANOGENIC MASSIVE SULFIDE DEPOSITS OF NORTHERN WISCONSIN--A COMMEMORATIVE VOLUME: INSTITUTE ON LAKE SUPERIOR GEOLOGY, PROCEEDINGS, V. 42, PT. 2.}{Reserve-Resource:: LABERGE, 1996.}
Reporter	Nicholson, S.W., Sutphin, David M., Mason Jr., G.T.