Mine detail: Donaldson

Previously called ''

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Location

Lat / long:

42.65122, -122.78086

Resource(M)

Primary:	Mercury
Ore:	Cinnabar
Gangue:	Chalcedony, Limonite

Production

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

Geology

Host rock:	Little Butte Volcanic Series
Host type:	Rhyolite
Structure:	Local Fracturing
Alteration processes:	Silicification Of Rhyolite

References

MRDS	M055834
DEP	10040939
Reference	{Deposit:: BROOKS, H. C., 1963, QUICKSILVER IN OREGON: OREGON DEPT. OF GEOLOGY AND MINERAL INDUSTRIES, BULL. 55, 223 P., P 63. , P 63.}{Deposit:: WILLIAMS, H AND COMPTON, R R, 1944, QUICKSILVER DEPOSITS OF THE TILLER, TRAIL, AND BROWNSBORO AREAS AND OF THE PHILLIPS MINE, NEAR ASHLAND; USGS UNPUBLISHED REPORT}
Reporter	Peterson, Jocelyn A., Ferns, Mark L. (Brooks, Howard C.), Gray, Jerry J.