Mine detail: Fourmile Creek District

Previously called 'Fourmile DistrictTimberlake Creek District'

Location:	Moffat County, Colorado, United States, North America
Lat / long:	40.85496, -107.68011
dep_id:	10013454
mrds_id:	D009749
Commodity type:	metallic
Major mineral:	Gold
Minor mineral:	Silver
Trace mineral:	Thorium, Titanium, Metal, REE, Niobium (Columbium), Iron
Operation type:	Unknown
Deposit type:	Placer
Production size:	Small ammount of material produced
Development status:	Past Producer
ore:	Columbite, Euxenite, Ilmenite, Magnetite, Rutile
conc_proc:	Gravity Concentration And Streamflow Processes
Reporter:	Schwochow, Stephen D.
hrock_unit:	Unconsolidated Deposits--Alluvium;Cathedral Bluffs Member Of Wasatch Formation
hrock_type:	Sand and Gravel,Conglomerate
arock_unit:	Upper Tertiary Intrusive Rocks (Pliocene And Miocene)
arock_type:	Trachyte,Basalt
Structure:	Washakie Basin
tectonic:	Colorado Platform
Year first produced:	1892
yr_lst_prd:	1940
disc_yr:	1891
discr:	Hugh Morrison
References:	Deposit:: PARKER, B.H., JR., 1974, THE PLACERS OF MOFFAT COUNTY, IN GOLD PLACERS OF COLORADO: COLORADO SCHOOL OF MINES QUART., V. 69, NO. 4, P. 150-168. Deposit:: TWETO, OGDEN, 1976, GEOLOGIC MAP OF THE CRAIG 1X2 QUADRANGLE, NORTHWESTERN COLORADO: USGS MAP I-972 Deposit:: SNOW, E.P., 1895, THE FOURMILE PLACER FIELDS OF (MOFFAT COUNTY), COLORADO AND WYOMING: ENG. MINING JOUR., V. 60, P. 102-105 Deposit:: HOOVER, HERBERT C., 1897, GEOLOGY OF THE FOUR-MILE PLACER MINING DISTRICT (MOFFAT COUNTY), COLORADO: ENG. MINING JOUR., V. 63, P. 510 Deposit:: MARKS, J.H., 1915, PRELIMINARY REPORT, THE TIMBERLAKE OR FOURMILE PLACER DISTRICT, MOFFAT COUNTY: COLORADO STATE PLAN. COMM. UNPUB. REPT., 9 P. Deposit:: GALE, H.S., 1908, GOLD PLACER DEPOSITS NEAR LAY, ROUTT COUNTY, COLORADO: USGS BULL. 340, P. 84-95. Deposit:: Dunn, L.G., 2003, Colorado Mining Districts--A Reference: Golden, Colo., Colorado School of Mines Library, p. 220-221. Production:: 1932-40 FROM VANDERWILT, J.W., 1947, MINERAL RESOURCES OF COLORADO, P. 146; 1911-1931 FROM MINERAL RESOURCES OF THE U.S.