Location: | Mineral County, Montana, United States, North America |
Lat / long: | 47.41765, -115.33294 |
dep_id: | 10019047 |
mrds_id: | DC08403 |
Commodity type: | metallic |
Major mineral: | Lead, Silver |
Minor mineral: | Copper |
Operation type: | Unknown |
Production size: | No production occurred |
Development status: | Occurrence |
ore: | Chalcopyrite, Galena |
gangue: | Hematite, Pyrite, Quartz, Siderite |
work_type: | Underground |
alteration: | Hydrothermal Bleaching Is Common Within A Belt Approx 1 Mi Wide Along The North Side Of The Osburn Fault Zone. It Has Been Used As A Guide To Ore Deposits. |
ore_ctrl: | Osburn Fault Zone |
Reporter: | Unknown, Rojstaczer, Stuart A. |
hrock_unit: | Burke Formation;Revett Formation |
hrock_type: | Quartzite |
Structure: | A Major Structural Grain Trends Nw And Consists Of Subparallel Faults And Folds. Major Fault Is The Osburn. This Fault Seems To Demarcate A Change In Folding Form With Folds To The North Showing Signs Of More Intense Structural Deformation Than Those To The South., Owing To Its Proximity To The Osborn Fault Beds Are Greatly Deformed And Are In Tight, Overturned, Nearly Isoclinal Folds |
tectonic: | Belt Basin |
References: |
- Analytical Data:: SRC.REF: WALLACE, R. E. AND HOSTERMAN, J. W., 1956 : US GEOLOGICAL SURVEY BULL. 1027-M
- Deposit:: WALLACE, R. E. AND HOSTERMAN, J. W., 1956 , RECONNAISSANCE GEOLOGY OF WESTERN MINERAL COUNTY MONTANA: US GEOLOGICAL SURVEY BULL. 1027-M, P. 607 .
- Deposit:: CONSV. DIV. COMP. DATE, 02-15-1963
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