Mine detail: Jo Dandy Mine

Previously called 'Unpatented Claims: Joe DandyEdwardWesleyNiftyLone Wolf'

Location:	San Miguel County, Colorado, United States, North America
Lat / long:	37.99944, -107.99509
dep_id:	10014248
mrds_id:	D010937
Commodity type:	metallic
Major mineral:	Vanadium, Uranium
Minor mineral:	Gold, Silver, Lead
Operation type:	Unknown
Production size:	Small ammount of material produced
Development status:	Past Producer
gangue:	Calcite
conc_proc:	Ore Deposition Within Permeable Sandstone May Have Resulted By Precipitation From Actively Circulating Ground Waters Below Slightly Uneven Water Table Or At Interface Between Two Types Of Ground Water. Metals May Have Been Derived From Trace Amounts In Solution In Pore Water During Sand Deposition Or From Trace Amounts Dissolved From Rocks During Diagenesis.
ore_ctrl:	Permeable Sandstone Underlying Pony Express Limestone; Chemical Favorability Of Limestone For Replacement Near Fault
Reporter:	Schwochow, Stephen D.
hrock_unit:	Entrada Sandstone;Pony Express Limestone Member Of Wanakah Formation
hrock_type:	Sandstone
arock_unit:	Porphyritic Microgabbro;Pyroxene Minette
arock_type:	Gabbro,Lamprophyre
Structure:	Paradox Basin, Uncompahgre Uplift, San Juan Volcanic Field, San Miguel Mtns, Gray Head Fault, Gray Head Laccolith
tectonic:	Colorado Platform
yr_lst_prd:	1954
References:	Deposit:: FISCHER, R.P., AND OTHERS, 1947, VANADIUM DEPOSITS NEAR PLACERVILLE, SAN MIGUEL COUNTY, COLORADO: COLORADO SCI. SOC. PROC., V. 15, NO. 3, P. 117-146. Deposit:: BUSH, A.L., AND OTHERS, 1961, PRELIMINARY GEOLOGIC MAP OF THE GRAY HEAD QUADRANGLE, SAN MIGUEL COUNTY, COLORADO: USGS MAP MF-176. Deposit:: NELSON-MOORE, J.L., AND OTHERS, 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 424-425. Deposit:: COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS. Deposit:: HESS, F.L., 1913, NOTES ON THE VANADIUM DEPOSITS NEAR PLACERVILLE, COLORADO: USGS BULL. 530, P. 142-156. Deposit:: PURINGTON, C.W., 1898, PRELIMINARY REPORT ON THE MINING INDUSTRIES OF THE TELLURIDE QUADRANGLE, COLORADO: USGS 18TH ANN. REPT., PT. 3, P. 827-830. Production:: COLORADO DIV. MINES ANNUAL OPERATOR REPTS.; NELSON-MOORE AND OTHERS, 1978, P. 424.