Colewood Tunnel

The Colewood Tunnel is a zinc and lead mine located in Mineral county, Colorado at an elevation of 10,299 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: Colewood Tunnel  

State:  Colorado

County:  Mineral

Elevation: 10,299 Feet (3,139 Meters)

Commodity: Zinc, Lead

Lat, Long: 37.89444, -106.92972

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 Colewood Tunnel

Colewood Tunnel MRDS details

Site Name

Primary: Colewood Tunnel


Commodity

Primary: Zinc
Primary: Lead
Secondary: Copper


Location

State: Colorado
County: Mineral
District: Creede 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

Owner Name: Midwest Mining Co.
Years: 1924 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
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

Not available


Orebody

Not available


Structure

Type: R
Description: San Juan Volcanic Field; La Garita, Creede, And Bachelor Calderas

Type: L
Description: Apparently An Isolated Fault Between The Amethyst And Solomon-Holy Moses Zones, Could Be Same Fault As That At Midwest Mine


Alterations

Not available


Rocks

Name: Rhyolite
Role: Associated
Age Type: Host Rock Unit
Age Young: Oligocene

Name: Rhyolite
Role: Associated
Age Type: Host Rock
Age Young: Oligocene

Name: Rhyolite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Oligocene

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


Analytical Data

Not available


Materials

Ore: Chalcopyrite
Ore: Anglesite
Ore: Galena
Ore: Sphalerite
Gangue: Limonite
Gangue: Pyrite


Comments

Comment (Location): S-T-R, LAT-LONG, AND ELEV DETERMINED FROM EMMONS AND LARSEN'S (1923) TOPO MAP (1:24,000). MINE OR CLAIM LIES WEST OF NELSON CR. APPROX. 0.75 MILE ABOVE MOUTH ; INFO FROM LAND.ST :(1976)

Comment (Workings): TUNNEL DRIVEN 166 FT AT N 32 W, THENCE 909 FT AT N 46 W


References

Reference (Deposit): LARSEN, E.S., 1929, RECENT MINING DEVELOPMENTS IN THE CREEDE DISTRICT, COLORADO: USGS BULL. 811-B.

Reference (Deposit): LINDEMANN, J.W., AND OTHERS, EDS., 1981, FIELD TRIP NOTES, CREEDE MINING DISTRICT, SAN JUAN VOLCANIC PROVINCE, COLORADO: DENVER REGIONAL EXPLORATION GEOLOGISTS SOC. GUIDEBOOK

Reference (Deposit): STEVEN, T.A., AND RATTE, J.C., 1965, GEOLOGY AND STRUCTURAL CONTROL OF ORE DEPOSITION IN THE CREEDE DISTRICT, SAN JUAN MOUNTAINS, COLORADO: USGS PROF. PAPER 487, 90 P.

Reference (Deposit): EMMONS, W.H., AND LARSEN, E.S. 1923, GEOLOGY AND ORE DEPOSITS OF THE CREEDE DISTRICT, COLORADO: USGS BULL. 718, 198 P.


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.