Mine detail: Maud S.

Previously called 'Oregon Mercury Corp.'

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Location

Lat / long:

43.01482, -122.93254

Resource(M)

Primary:	Mercury
Ore:	Cinnabar
Gangue:	Calcite, Chalcedony, Limonite

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	1928 - 1930

Geology

Host rock:	Colestin-Fisher
Host type:	Andesite
Alteration processes:	Host Rocks Are Sheared, Carbonatized And Impregnated With Calcite And Chalcedonyvenlets. Gouge Rich Zones Are Common.

References

MRDS	M055877
DEP	10040974
Reference	{Deposit:: BROOKS, H. C., 1963, QUICKSILVER IN OREGON: OREGON DEPT. OF GEOLOGY AND MINERAL INDUSTRIES, BULL. 55, 223 P.}{Deposit:: BAILEY, E. H., USGS, PERSONAL FILES}{Deposit:: MERCURY IN OREGON, 1965, USBM IC 8252}{Deposit:: RAMP, L., 1972, GEOLOGY AND MINERAL RESOURCES OF DOUGLAS COUNTY, OREGON: ODGMI BULL. 75, P. 54}
Reporter	Ferns, Mark L. (Brooks, Howard C.), Gray, Jerry J., Peterson, Jocelyn A.