Mineral Resource Map
Mine detail: Little Joseph Mine
Previously called 'Little JoeAcquisition ?Columbia Gold Mining Property'
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Location
| Lat / long: | 34.05145, -112.30018 |
Resource(M)
| Primary: | Gold, Silver, Copper |
| Secondary: | Lead |
| Tertiary: | Arsenic |
| Ore: | Chalcopyrite, Galena, Gold |
| Gangue: | Pyrite, Quartz |
| Orebody form: | TABULAR |
| Discovery year: | 1886 |
Production
| Operation type: | Unknown |
| Deposit type: | Vein |
| Production size: | Small |
| Development status: | Producer |
| First production started: | 1890 |
| Last production ended: | 1939 |
Geology
| Host type: | Rhyolite |
| Associated rock: | Crazy Basin Quartz Monzonite;Rhyolite Porphyry Dikes |
| Associated type: | Rhyolite |
| Structure: | Foliation In Precambrian Xenoliths (Quartz-Mica Schist) Trends N 40-50 E, Veins Parallel Rhyolite Porphyry Dikes And Foliation In Precambrian Xenoliths |
| Alteration processes: | Sericitization Adjacent To Some Dikes |
References
| MRDS | M800037 |
| DEP | 10048066 |
| Reference | {Deposit:: ABGMT CLIPPINGS FILE}{Deposit:: AZ DEPT OF MIN RESOURCES FILE DATA}{Deposit:: ABGMT - USBM FILE DATA}{Deposit:: USGS BULL 782, P. 178-179} |
| Reporter | Dewitt, Ed H. |