Homestake Tunnel

The Homestake Tunnel is a gold and silver mine located in Costilla county, Colorado at an elevation of 10,180 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

Name: Homestake Tunnel  

State:  Colorado

County:  Costilla

Elevation: 10,180 Feet (3,103 Meters)

Commodity: Gold, Silver

Lat, Long: 37.61667, -105.26833

Map: View on Google Maps

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.


Satelite image of the Homestake Tunnel

Homestake Tunnel MRDS details

Site Name

Primary: Homestake Tunnel


Commodity

Primary: Gold
Primary: Silver


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

Type: Surface


Ownership

Owner Name: Trinchera (Estate)
Years: 1910 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Prospect
Operation Type: Underground
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains


Mineral Deposit Model

Model Name: Polymetallic veins


Orebody

Not available


Structure

Type: R
Description: Sierra Blanca Massif, Ft. Garland Embayment

Type: L
Description: Vega Cr. Anticline, Wagon Mesa Fault


Alterations

Not available


Rocks

Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Pennsylvanian

Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene

Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Pennsylvanian


Analytical Data

Analytical Data: $110 AU/TON, $0.35 AG/TON
Analytical Data: $1.60 AU/TON, $0.25 AG/TON


Materials

Ore: Pyrite


Comments

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. MINE OR CLAIM LIES 1000 FT NW OF SUMMIT OF GRAYBACK MTN. ; INFO FROM LAND.ST :(1975)

Comment (Commodity): ASSAY OF ORE IN 6-IN. AND 12-IN. VEIN; ASSAY OF TWO THIN SULFIDE VEINS

Comment (Workings): MAIN ADIT DRIVEN 700 FT AT S 40 E


References

Reference (Deposit): PATTON, H.B., AND OTHERS, 1910, GEOLOGY OF THE GRAYBACK MINING DISTRICT, COSTILLA COUNTY, COLORADO: CGS BULL. 2


Colorado Mining Photos

Placer mines at Cripple Creek, Colorado ca. 1892

Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.