The Willow Gulch Placer is a gold mine located in Costilla county, Colorado at an elevation of 9,600 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: 9,600 Feet (2,926 Meters)
Commodity: Gold
Lat, Long: 37.60917, -105.25667
Map: View on Google Maps
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Willow Gulch Placer MRDS details
Site Name
Primary: Willow Gulch Placer
Commodity
Primary: Gold
Tertiary: Tellurium
Location
State: Colorado
County: Costilla
District: Grayback (Russell) District
Land Status
Land ownership: Private
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
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Placer
Operation Type: Surface
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Interior Plains
Physiographic Province: Great Plains Province
Physiographic Section: Raton Section
Mineral Deposit Model
Model Name: Placer Au
Orebody
Not available
Structure
Type: R
Description: Sierra Blanca Massif, Ft. Garland Embayment
Alterations
Not available
Rocks
Name: Sand and Gravel
Role: Host
Age Type: Host Rock
Age Young: Holocene
Analytical Data
Analytical Data: 2 TO 8 COLORS/PAN AT GRASS ROOTS, 25 TO 90 COLORS/PAN AT BEDROCK
Materials
Ore: Gold
Ore: Calaverite
Gangue: Pyrite
Comments
Comment (Geology): AU DERIVED FROM LOW-GRADE ORES ON GRAYBACK MTN. FOUND ONLY ALONG PLACER CR. AND TRIBUTARIES HEADING ON OR NEAR GRAYBACK MTN.
Comment (Location): ALTHOUGH DISTRICT ACTUALLY IS IN UNSURVEYED PRIVATE LAND GRANT, SECTIONS REPORTED ARE BASED ON PATTON AND OTHERS' (1910) MAP RATHER THAN PROJECTIONS FROM ADJACENT QUADS. LAT-LONG AND ELEVATIONS DETERMINED FROM TOPO QUAD. SITE OR CLAIM LIES ALONG UPPER REACHES OF WILLOW CR. ON SE SIDE OF GRAYBACK MTN. LAT-LONG GIVEN IS APPROX. CENTER SE4 ; INFO FROM LAND.ST :(1975)
Comment (Commodity): COARSE GOLD IN ROUND AND FLAT GRAINS AND AS WIRES
Comment (Development): SITE WAS WORKED BY SLUICING BUT LACK OF WATER PREVENTED MUCH DEVELOPMENT.
Comment (Deposit): AVE. 8 FT THICK.
References
Reference (Deposit): CONSV. DIV. COMP. DATE, 1,64
Reference (Deposit): PARKER, B.H., JR., 1974, GOLD PLACERS OF COLORADO: CSM QUART., V. 69, NO. 4, P. 124-134.
Reference (Deposit): PATTON, H.B., AND OTHERS, 1910, GEOLOGY OF THE GRAYBACK MINING DISTRICT, COSTILLA COUNTY, COLORADO: CGS BULL. 2.
Colorado Mining Photos
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