The Gooldy Placer is a gold mine located in Moffat county, Colorado at an elevation of 6,650 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 6,650 Feet (2,027 Meters)
Commodity: Gold
Lat, Long: 40.855, -107.67944
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Gooldy Placer MRDS details
Site Name
Primary: Gooldy Placer
Commodity
Primary: Gold
Secondary: Silver
Location
State: Colorado
County: Moffat
District: Fourmile (Timberlake Creek) District
Land Status
Land ownership: BLM Administrative Area
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Not available
Ownership
Owner Name: Timberlake Mining And Development Co.
Years: 1915 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Placer
Operation Type: Unknown
Discovery Year: 1894
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Wyoming Basin
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: R
Description: Washakie Basin
Type: L
Description: Washakie Basin
Alterations
Not available
Rocks
Name: Sand and Gravel
Role: Host
Age Type: Host Rock Unit
Age Young: Holocene
Name: Sand and Gravel
Role: Host
Age Type: Host Rock
Age Young: Holocene
Analytical Data
Analytical Data: 1931 PRODUCTION HAD 0.938 FINE AU AND 0.0465 FINE AG.
Analytical Data: USGS MINERAL RESOURCES OF U.S. VOLUMES REPORT 1929 PRODUCTION HAD 0.94375 FINE AU AND 0.054 FINE AG
Materials
Ore: Gold
Comments
Comment (Development): JAMES GOOLDY, WHO HAD BEEN INVOLVED IN DISTRICT'S DEVELOPMENT SINCE 1894, WAS GENERAL MANAGER OF TIMBERLAKE MINING AND DEVELOPMENT CO. ABOUT 1903, HE AND COMPANY DIVERTED WATER FROM SLATER CREEK THRU 7.5-MILE DITCH TO WILLOW CREEK, WHERE IT JOINED B.W. LAW'S DITCH, THEN ACROSS TO FOURMILE CREEK, DOWN ITS CHANNEL FOR 3 MILES, THEN BY PIPE FOR OVER 5 MILES ACROSS MUD SPRING CULCH, THEN BY DITCH ANOTHER 7 MILES TO COMPANY'S PROPERTY ON TIMBERLAKE CREEK. GOOLDY USED WASTEWATER FROM TMDC PROPERTY UPSTREAM FOR GROUND SLUICING AT GOOLDY PLACER. VALUES OF GROUND WORKED RANGED FROM $0.25 TO $0.41/YD. ACCORDING TO MARKS (1915), RECOVERY IN LATER YEARS WAS ESTIMATED AT $700 IN 1913, $2475 IN 1914, $1675 IN 1915.
Comment (Location): AT CONFLUENCE OF EAST AND WEST TIMBERLAKE CREEKS. ELEV AND LAT-LONG GIVEN ARE FOR CENTER E2 E2 02 ; INFO FROM LAND.ST :(1974)
Comment (Deposit): FARNSWORTH'S OROGINAL DESCRIPTION STATED THAT THE HIGHER PAYING ZONES IN AREA LIE IN SLIGHTLY CONSOLIDATED GRAVELS BENEATH IRON OXIDE-CEMENTED CONGLOMERATE AND ABOVE LAYER OF "BLUE CLAY," (NOW INTERPRETED AS EOCENE BEDROCK). AU CONCENTRATIONS IN TERRACE AND MANTLE DEPOSITS APPEART LIMITED TO LEVEL BELOW THE PROMINENT CONGLOMERATE OR "CAP ROCK," WHICH WAS INTERPRETED BY PARKER (1974) AND THEOBALD AS A DELTAIC FAN IN EITHER THE TIPTON TONGUE OF GREEN FIVER FM (EOCENE) OR CATHEDRAL BLUFFS MEMBER OF WASATCH FM (EOCENE). MODERN PLACERS THUS WERE DERIVED FROM EOCENE FOSSIL BEACH AND ALLUVIAL PLACERS AND PROBABLY BEGAN FORMING IN LATE PLIOCENE OR PLEISTOCENE TIME. AGE OF MINERALIZATION CITED FOR DEPOSIT DEPENDS ON UNIT WORKED--EOCENE FOR BEDROCK OPERATIONS OR QUATERNARY FOR TERRACE, STREAM BED, AND MANTLE OPERATIONS. THE GOOLDY PLACER DEPOSIT IS A BAR OR TERRACE-FAN COMPLEX AT CONFLUENCE OF EAST AND WEST TIMBERLAKE CREEKS AND 20 TO 30 FT ABOVE STREAM LEVEL. ELDORADO MINING CO. PORTION WORKED
Comment (Deposit): TOP 5 TO 10 FT OF DEPOSIT. GOOLDY MINED REST OF DEPOSIT TO DEPTH OF 4 FT WHERE HE ENCOUNTERED CLAY LAYER. AU-BEARING GRAVELS WERE FOUND BELOW CLAY IN SEVERAL SHALLOW SHAFTS. DEPOSIT AND AU ARE OF D
Comment (Workings): BAR DEPOSIT WORKED BOTH BY GROUND SLUICING AND BY DRYLAND WASHING PLANT. SEVERAL PRESUMABLY EXPLORATORY SHALLOW SHAFTS
References
Reference (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.
Reference (Deposit): TWETO, OGDEN, 1976, GEOLOGIC MAP OF THE CRAIG 1X2 QUADRANGLE, NORTHWESTERN COLORADO: USGS MAP I-972
Reference (Deposit): SNOW, E. P., 1895, THE FOURMILE PLACER FIELDS OF (MOFFAT COUNTY), COLORADO AND WYOMING: ENG, MINING JOUR., V. 60, P. 102-105
Reference (Deposit): HOOVER, HERBERT C., 1897, GEOLOGY OF THE FOUR-MILE PLACER MINING DISTRICT (MOFFAT COUNTY), COLORADO: ENG. MINING JOUR., V. 63, P. 510 && 5)MARKS, J. H., 1915, PRELIMINARY REPORT, THE TIMBERLAKE OR FOURMILE PLACER DISTRICT, MOFFAT COUNTY: COLORADO STATE PLAN. COMM. UNPUB. REPT., 9 P.
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