Mine detail: Mesatchee Creek Prospects

Previously called 'American RiverMorse-Union'

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Location: Yakima County, Washington, United States, North America
Lat / long: 46.87899, -121.41535
dep_id: 10048445
mrds_id: MP00032
Commodity type: metallic
Major mineral: Copper
Minor mineral: Gold, Silver
Operation type: Unknown
Production size: No production occurred
Development status: Occurrence
ore: Chalcocite, Chalcopyrite, Pyrite
orebody_fm: DISSEMINATED AND IN NARROW VEINLETS
model: 53: Porphyry Cu
alteration: Granodiorite Sericitized, Silicified; Rhyolite Heavily Stained By Fe-Oxides
Reporter: Peterson, Jocelyn A.
hrock_unit: Ohanapecosh Formation;Ohanapecosh Formation;Bumping Lake Pluton
hrock_type: Rhyolite
tectonic: Cascade Volcanic Arc
disc_yr: 1895
References:
  • 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.
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