Mine detail: Fall Creek Mine

Previously called 'Fall Creek GroupFall Creek Mill Site, MS 19937bFall Creek No. 4, MS 19937aFall Creek No. 5, MS 19937aFall Creek No. 6, MS 20140Fall Creek No. 7, MS 20140Fall Creek No. 8, MS 20140Fall Creek No. 9, MS 20140Fall Creek No. 10, MS 20140Patented Claims: Fall Creek, MS 19937aFall Creek No. 1, MS 19937aFall Creek No. 2, MS 19937aFall Creek No. 3, MS 19937a'

Location:	San Miguel County, Colorado, United States, North America
Lat / long:	37.98917, -108.01121
dep_id:	10101879
mrds_id:	D010932
Commodity type:	metallic
Major mineral:	Vanadium, Uranium
Operation type:	Unknown
Production size:	Small ammount of material produced
Development status:	Past Producer
ore:	Carnotite
orebody_fm:	CIRCULAR, ELONGATE
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
Reporter:	Schwochow, Stephen D.
hrock_unit:	Entrada Sandstone
hrock_type:	Sandstone
Structure:	Paradox Basin, Uncompahgre Uplift, San Juan Volcanic Field, San Miguel Mtns, Placerville Anticline, Unnamed Faults
tectonic:	Colorado Platform
yr_lst_prd:	1957
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, 1960, AREAL GEOLOGY OF THE LITTLE CONE QUADRANGLE, COLORADO: USGS BULL. 1082-G. Deposit:: NELSON-MOORE, J.L., AND OTHERS, 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 416. Deposit:: COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS. Deposit:: BLM MINERAL SURVEYS MS 19937A&B, 20140 Deposit:: COLEMAN, R.G., AND DELEVAUX, MARYSE, 1957, OCCURRENCE OF SELENIUM IN SULFIDES FROM SOME SEDIMENTARY ROCKS OF THE WESTERN UNITED STATES: ECON. GEOLOGY, V. 52, P. 499-527. Production:: COLORADO DIV. MINES ANNUAL OPERATOR REPTS.; FISHCER AND OTHERS, 1947, P. 131; NELSON-MOORE AND OTHERS, 1978, P. 416