Mine detail: Last Chance Vein, Cornucopia Mine

Previously called 'Mayflower MineGranite Mtn VeinBaker Mines Co.'

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Location

Lat / long: 45.02236, -117.21796

Resource(M)

Primary: Gold, Silver, Lead, Copper
Tertiary: Zinc, Tellurium, Arsenic
Ore: Chalcopyrite, Galena, Hessite, Petzite, Sphalerite, Sylvanite, Tetrahedrite

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer

Geology

Host rock:Cornucopia Stock
Host type:Diorite,Hornblendite
Associated type:Diorite
Tectonic:Eugeosyncline

References

MRDSM015664
DEP10102961
Reference{Deposit:: BROOKS, H.C., AND RAMP, L., 1968, GOLD AND SILVER IN OREGON: ODGMI BULL. 61, P. 89-90.}{Deposit:: GOODSPEED, G.E., 1939, GEOLOGY OF THE GOLD QUARTZ VEINS OF CORNUCOPIA: AIME TECH. PUB. 1035.}{Deposit:: SWARTLEY, A.M., 1914, ORE DEPOSITS IN NORTHEASTERN OREGON: OREGON BUREAU OF MINES AND GEOLOGY, MINERAL RESOURCES OF OREGON, V. 1, NO. 8, P. 49-53.}{Deposit:: WIESS, P.L., AND OTHERS, 1976, MINERAL RESOURCES OF THE EAGLE CAP WILDERNESS AND ADJACENT AREAS, OREGON: USGS BULL. 1385-E, P. 39-41.}
ReporterBrooks, Howard C., Gray, Jerry J.