Mine detail: Horse Head Mountain Prospect

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Location: Harney County, Oregon, United States, North America
Lat / long: 43.19235, -119.76523
dep_id: 10040248
mrds_id: M054948
Commodity type: metallic
Major mineral: Mercury
Operation type: Unknown
Production size: No production occurred
Development status: Occurrence
ore: Cinnabar
alteration: Opalization
conc_proc: Hydrothermal Solutions
ore_ctrl: Opalized Zone Along A Ne Trending Fault
Reporter: Peterson, Jocelyn A., Ferns, Mark L. (Brooks, Howard C.), Gray, Jerry J.
hrock_unit: Danforth Formation
hrock_type: Tuff
arock_type: Volcanic Rock (Aphanitic)
Structure: Brecciation Of Opalite
References:
  • BROOKS, H. C., 1963, QUICKSILVER IN OREGON: OREGON DEPT. OF GEOLOGY AND MINERAL INDUSTRIES, BULL. 55, 223 P
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