Commodities
PrimaryGold, Silver, Lead
TertiaryAluminum
Commodity typeM
Deposit
Deposit sizeN
Ore controlStratovolcano Core Intruded By Later Stock, Accompanied By Radial Dikes And By Hydrothermal And Solfataric (?) Alteration
Materials
Ore mineralsGalena, Pyrite
GangueCalcite, Chlorite, Epidote, Quartz, Sericite
Other materialsAlunite
Geology
Host rockMonzonite · Conejos Formation--Vent Facies;Volcanics Of Green Ridge--Rhyolite Unit
Associated rockMonzonite,Rhyolite,Rhyodacite,Andesite · Intrusive Rocks--Monzonite;Intrusive Rocks--Monzonite Porphyry
StructureSan Juan Volcanic Field, Cat Creek Stock, Platoro Caldera, Unnamed Fault
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationSee Comments
Economic & production
Development statusOccurrence
Identification
Deposit ID10087906
MRDS IDD010738
Alternate namesUnpatented Claims: Riverview, Riverview No. 1, Riverview No. 2, Silver Dollar, Star Nos. 1 Through 3, Lj Nos. 1 Through 61, Cat Nos. 1 Through 112
RegionNA
Data scoreB
Coordinates37.40335, -106.31865
References
LIPMAN, P.W., 1974, GEOLOGIC MAP OF THE PLATORO CALDERA AREA, SOUTHEASTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-828.LIPMAN, P.W., 1975, EVOLUTION OF THE PLATORO CALDERA COMPLEX AND RELATED VOLCANIC ROCKS, SOUTHEASTERN SAN JUAN MOUNTAINS, COLORADO: USGS PROF. PAPER 852.LIPMAN, P.W., AND STEVEN, T.A., 1970, RECONNAISSANCE GEOLOGY AND ECONOMIC SIGNIFICANCE OF THE PLATORO CALDERA, SOUTHEASTERN SAN JUAN MOUNTAINS, COLORADO: USGS PROF. PAPER 700-C, P. C19-C 29.LARSEN, E.S., JR., AND CROSS, WHITMAN, 1956, MONZONITE OF CAT CREEK, IN GEOLOGY AND PETROLOGY OF THE SAN JUAN REGION, SOUTHWESTERN COLORADO: USGS PROF. PAPER 258, P. 110.COLORADO DIV. MONES INF. REPTS.BLM UNPATENTED CLAIM RECORDS