Mine detail: Calico Peak Alunite Deposit

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Location:	Dolores County, Colorado, United States, North America
Lat / long:	37.71029, -108.09037
dep_id:	10087920
mrds_id:	D010903
Commodity type:	metallic and nonmetallic
Major mineral:	Aluminum
Minor mineral:	Molybdenum, Sulfur, Lead
Trace mineral:	Silver, Potassium, Manganese, Copper, Titanium, Metal
Operation type:	Unknown
Deposit type:	Replacement
Production size:	No production occurred
Development status:	Occurrence
ore:	Alunite
gangue:	Illite, Jarosite, Kaolinite, Muscovite, Quartz, Sericite, Sulfur
orebody_fm:	IRREGULAR
work_type:	Surface/Underground
model:	154: Epithermal quartz-alunite Au
alteration:	See Comments
conc_proc:	Enrichment Or Concentration Of Na And K And Leaching Of Mg And Ca Within Syock By Structurally Controlled Circulation Of Acidic Solutions And Sulfurous Gaseous Emanations In Near-Surface, Late-Stage Volcanic Activity.
ore_ctrl:	Vent Area Of Calico Peak Stock
Reporter:	Schwochow, Stephen D. (Hall, Robert B.)
hrock_unit:	Calico Peak Porphyry;Cutler Formation
hrock_type:	Latite
arock_unit:	Calico Peak Porphyry;Hornblende Latite Porphyry
arock_type:	Latite
Structure:	San Juan Uplift, Paradox Basin, Rico Dome, Calico Peak Stock, Calico Peak Anticline
tectonic:	Central Cordillera (Southern Rocky Mtns)
disc_yr:	1899
discr:	Whitman Cross
References:	Deposit:: RATTE, J.C., 1968, ALUNITE, IN MINERAL AND WATER RESOURCES OF COLORADO: U.S. GOVT. PRINTING OFFICE, P. 155-157.PRATT, W.P., AND OTHERS, 1969, GEOLOGIC MAP OF THE RICO QUADRANGLE, DOLORES AND MONTEZUMA COUNTIES, COLORADO: USGS MAP GQ-797. Deposit:: MCKNIGHT, E.T., 1974, GEOLOGY AND ORE DEPOSITS OF THE RICO DISTRICT, COLORADO: USGS PROF. PAPER 723. Deposit:: SERNA-ISAZA, M.J., 1971, GEOLOGY AND GEOCHEMISTRY OF CALICO PEAK, DOLORES COUNTY, COLORADO: COLORADO SCHOOL OF MINES M.S. THESIS T-1338. Deposit:: THOENEN, J.R., 1941, ALUNITE RESOURCES OF THE UNITED STATES: USBM RI-3561. Deposit:: CROSS, WHITMAN, AND SPENCER, A.C., 1900, GEOLOGY OF THE RICO MOUNTAINS, COLORADO: USGS 21ST ANN. REPT., PT. 2, P. 32-33, 87, 92-94. Deposit:: NAESER, C.W., AND OTHERS, 1979, PLIOCENE INTRUSIVE ROCKS AND MINERALIZATION NEAR RICO, COLORADO: USGS OF-79-1093, 18 P. Deposit:: HALL, R.B., 1980, ALUNITE--A POTENTIALLY ECONOMIC SOURCE OF ALUMINUN AND POTASH?, IN SCHOWCHOW, S.D., ED., PROCEEDINGS OF THE FIFTEENTH FORUM ON GEOLOGY OF INDUSTRIAL MINERALS: CGS RESOURCE SER. 8, P. 77-88.COLORADO DIV. MINES INF. REPTS. Deposit:: GARDNER, L.S., 1944, UNPUB. REPT. IN USGS FILE. Deposit:: 1899, RECON: W. CROSS AND A.C. SPENCER: 21ST ANN. REPT. Deposit:: 1943, GEOLMAP: L.S. GARDNER; UNPUB. REPT.