Mine detail: Good Chance Prospect

Previously called 'AshwoodSwanson'

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Location

Lat / long:

44.73427, -120.74668

Resource(M)

Primary:	Mercury
Ore:	Cinnabar, Marcasite
Gangue:	Calcite, Gypsum
Discovery year:	1937

Production

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

Geology

Host type:	Rhyolite
Associated type:	Andesite

References

MRDS	M054999
DEP	10095480
Reference	{Deposit:: BROOKS, H. C., 1963, QUICKSILVER IN OREGON: OREGON DEPT. OF GEOLOGY AND MINERAL INDUSTRIES, BULL. 55, 223 P.}{Deposit:: MERCURY IN OREGON, 1965, USBM IC 8252}{Deposit:: FREDERICK, F., 1945, STATE OF OREGON MAP SHOWING LOCATION OF QUICKSILVER DEPOSITS: OREGON DEPT. OF GEOL. AND MIN. INDUSTRIES, SCALE 1:1,000,000}
Reporter	Peterson, Jocelyn A., Ferns, Mark L. (Brooks, Howard C.), Gray, Jerry J.