Mine detail: Blair Group

Previously called 'Connor - Blair'

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Location

Lat / long: 42.30348, -118.71408

Resource(B)

Primary: Mercury, Barium-Barite, Copper
Ore: Cinnabar, Malachite
Gangue: Chalcedony, Opal, Quartz
Discovery year: 1940

Production

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

Geology

Host rock:Steens Mountain Volcanic Series
Host type:Andesite
Alteration processes:Minor Silicification

References

MRDSM054960
DEP10040259
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, TABLE 26, P. 329.}{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}{Deposit:: ROSS, C.P., 1942, QUICKSILVER DEPOSITS IN THE STEENS AND PUEBLO MOUNTAINS, SOUTHERN OREGON: USGS BULL. 931-J P. 227-258}{Deposit:: 5) WILLIAMS, H. AND COMPTON, R.R., 1953, QUICKSILVER DEPOSITS OF STE}{Deposit:: LANCASTER, H.K., 1941, BLAIR GROUP, OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES, UNPUBLISHED FILE REPORT.}{Deposit:: 1941 RECON UNPUBLISHED FILE REPOR}
ReporterPeterson, Jocelyn A., Ferns, Mark L. (Brooks, Howard C.), Gray, Jerry J., Li, Zhiping (Peters, S.)