Mine detail: Roark and Lowry

Previously called 'LoureyGarnet No. 1Roark'

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Location

Lat / long:

44.72816, -120.555

Resource(M)

Primary:	Mercury
Ore:	Cinnabar
Gangue:	Calcite
Discovery year:	1941

Production

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

Geology

Host type:	Tuff,Andesite
Associated rock:	Biotite Rhyolite Of Muddy Butte
Associated type:	Rhyolite
Alteration processes:	Hydrothermal

References

MRDS	M055950
DEP	10041037
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}
Reporter	Peterson, Jocelyn A., Bradley, Robin (Walker, George W.), Gray, Jerry J.