Mine detail: Mesatchee Creek Prospects

Previously called 'American RiverMorse-Union'

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Location

Lat / long:

46.87899, -121.41535

Resource(M)

Primary:	Copper
Secondary:	Gold, Silver
Ore:	Chalcocite, Chalcopyrite, Pyrite
Orebody form:	DISSEMINATED AND IN NARROW VEINLETS
Discovery year:	1895

Production

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

Geology

Host rock:	Ohanapecosh Formation;Ohanapecosh Formation;Bumping Lake Pluton
Host type:	Rhyolite
Tectonic:	Cascade Volcanic Arc
Alteration processes:	Granodiorite Sericitized, Silicified; Rhyolite Heavily Stained By Fe-Oxides

References

MRDS	MP00032
DEP	10048445
Reference	{Deposit:: HOLLISTER, V.F., 1979, PORPHYRY COPPER-TYPE DEPOSITS OF THE CASCADE VOLCANIC ARC, WASHINGTON: MINERALS SCIENCE AND ENGINEERING, V. 11, P. 34.}{Deposit:: SIMMONS, G.C., VAN NOY, R.M., AND ZILKA, N.T., 1983, MINERAL RESOURCES OF THE COUGAR LAKES-MOUNT AIX STUDY AREA, YAKIMA AND LEWIS COUNTIES, WASHINGTON: U.S. GEOLOGICAL SURVEY BULLETIN 1504, P. 54-55.}
Reporter	Peterson, Jocelyn A.