Mine detail: Mammoth-Revenue Mine

Previously called 'Middle, MS 5636Revenue, MS 5722Burris, MS 6255Hyman, MS 6255Hallam, MS 6255Grover Cleveland, MS 6256Aztec, MS 6256Morning Star, MS 6256Arms, MS 6256Auraria, MS 6535Etruria, MS 6535Pavonia, MS 6535Servia, MS 6535Umbria, MS 6535Mammoth MineMammoth GroupPatented Claims: Mammoth, MS 5628aMammoth Mill Site, MS 5628b'

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Location

Lat / long: 37.34669, -106.53504

Resource(M)

Primary: Gold, Silver
Secondary: Lead, Copper
Tertiary: Antimony, Zinc, Molybdenum
Ore: Chalcocite, Covellite, Digenite, Electrum, Galena, Gold, Marcasite, Miargyrite, Molybdenite, Polybasite, Proustite, Pyrargyrite, Pyrrhotite, Silver, Sphalerite, Zinkenite
Gangue: Anhydrite, Barite, Calcite, Chalcedony, Quartz

Production

Operation type: Unknown
Deposit type: Vein
Production size: Small
Development status: Producer

Geology

Host rock:La Jara Canyon Member Of Treasure Mountain Tuff
Host type:Quartz Latite
Associated rock:La Jara Canyon Member Of Treasure Mountain Tuff
Associated type:Quartz Latite
Structure:San Juan Volcanic Field, Platoro Caldera, Summitville Caldera, Platoro Fault Zone, Cornwall Block
Tectonic:Central Cordillera (Southern Rocky Mtns)
Alteration processes:All Wallrock Is Silicified To Some Extent Within Vein And Up To 6.5 Ft Into Footwall And Up To 16.5 Ft Into Hanging Wall. In Hanging Wall Zones, All Material Within 1.6 Ft Of Vein Is Completely Silicified. Sericite Progressivly Prominent At 1.6 To 6.5 Ft And Dominant From 6.5 To 26 Ft. At 13 Ft, Kaolinite Prominent. At 26 Ft, Rock Shows Regional Argillization.

References

MRDSD010731
DEP10014101
Reference{Deposit:: PATTON, H.B., 1917, GEOLOGY AND ORE DEPOSITS OF THE PLATORO-SUMMITVILLE MINING DISTRICT, COLORADO: CGS BULL. 13.}{Deposit:: LIPMAN, P.W., 1974, GEOLOGIC MAP OF THE PLATORO CALDERA AREA, SOUTHEASTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-828.}{Deposit:: BIRD, W.H., 1972, MINERAL DEPOSITS OF THE SOUTHERN PORTION OF THE PLATORO CALDERA COMPLEX, SOUTHEAST SAN JUAN MOUNTAINS, COLORADO: MTN. GEOLOGIST, V. 9, NO. 4, P. 379-387.}{Deposit:: COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.}{Deposit:: BLM MINERAL SURVEYS MS 5628A&B, 5722A&B, 5636A&B, 6255, 6256, 6535}{Deposit:: BIRD, W.H., 1973, DEVELOPMENT OF THE SOUTHERN PORTION OF THE PLATORO CALDERA COMPLEX AND ITS RELATED MINERAL DEPOSITS, SOUTHEAST SAN JUAN MOUNTAINS, COLORADO: COLORADO SCHOOL OF MINES THESIS T-1440.}{Production:: COLORADO DIV. MINES ANN. OPERATOR REPTS.; USBM MINERALS YEARBOOKS 1966-1974}
ReporterSchwochow, Stephen D.