Mine detail: Carson District

Previously called ''

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Location

Lat / long: 37.86891, -107.36173

Resource(M)

Primary: Copper, Gold, Silver, Lead
Secondary: Iron, Zinc
Tertiary: Aluminum, Antimony
Discovery year: 1881

Production

Operation type: Unknown
Deposit type: VEIN, DISSEMINATION, CHEMICAL PRECIPITATE, BOG IRON
Production size: Small
Development status: Past Producer
First production started: 1880
Last production ended: 1940

Geology

Structure:SAN JUAN-UNCOMPAHGRE CALDERAS, LAKE CITY CALDERA, CARSON VOLCANO, SAN JUAN VOLCANIC FIELD, SAN JUAN DEPRESSION
Alteration processes:LARSEN (1911) RECOGNIZED THREE TYPES OF ALTERATION: (1) SERICITIZATION OF FELDSPARS, LEACHING OF DARK MINERALS, DISSEMINATED PYRITE; (2) SILICIFICATION, ALUNITIZATION AND KAOLINITIZATION OF FELDSPAR NEARER VEIN FILLING; (3) COMPLETE REPLACEMENT OF GROUNDMASSBY QUARTZ, COMPLETE LEACHING OF FELDSPARS.

References

MRDSD011580
DEP60000388
Reference{Deposit:: LARSEN, E.S., 1911, THE ECONOMIC GEOLOGY OF CARSON CAMP, HINSDALE COUNTY, COLORADO: USGS BULL. 470, P. 30-38.}{Deposit:: LIPMAN, P.W., 1976, GEOLOGIC MAP OF THE LAKE CITY CALDERA AREA, WESTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-962.}{Deposit:: LARSEN, E.S., JR., AND CROSS, WHITMAN, 1956, GEOLOGY AND PETROLOGY OF THE SAN JUAN REGION, SOUTHWEST COLORADO: USGS PROF. PAPER 258.}{Deposit:: HON, KEN, AND MEHNERT, H.H., 1983, COMPILATION OF REVISED AGES OF VPLCANIC UNITS IN THE SAN JUAN MOUNTAINS, COLORADO--RECALCULATED K-AR AGE DETERMINATIONS USING IUGS CONSTANTS: USGS OPEN-FILE REPT. OFR-83-668.}{Deposit:: STEVEN, T.A., AND LIPMAN, P.W., 1976, CALDERAS OF THE SAN JUAN VOLCANIC FIELD, SOUTHWESTERN COLORADO: USGS PROF. PAPER 958, P. 10-16.}{Deposit:: LIPMAN, P.W., AND OTHERS, 1973, REVISED VOLCANIC HISTORY OF THE SAN JUAN, UNCOMPAHGRE, SILVERTON, AND LAKE CITY CALDERAS IN THE WESTERN SAN JUAN MOUNTAINS: USGS JOUR. RESEARCH, V. 1, NO. 6, P. 627-642.}{Deposit:: LIPMAN, P.W., AND OTHERS, 1976, MULTIPLE AGES OF MID-TERTIARY MINERALIZATION AND ALTERATION IN THE WESTERN SAN JUAN MOUNTAINS COLORADO: ECON. GEOLOGY, V. 71, NO. 3, P. 571-588.}{Deposit:: HARRER, C.M. AND TESCH, W.J., JR., 1959, RECONNAISSANCE OF IRON OCCURRENCES IN COLORADO: USBM IC-7918, P. 44.}{Deposit:: COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.}{Deposit:: BLM MINERAL SURVEYS}