Overholt Lode

The Overholt Lode is a gold and silver mine located in Mineral county, Colorado at an elevation of 9,301 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: Overholt Lode  

State:  Colorado

County:  Mineral

Elevation: 9,301 Feet (2,835 Meters)

Commodity: Gold, Silver

Lat, Long: 37.8725, -106.93556

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 Overholt Lode

Overholt Lode MRDS details

Site Name

Primary: Overholt Lode


Commodity

Primary: Gold
Primary: Silver
Secondary: Copper
Tertiary: Antimony


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

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1892
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: Creede Graben; Amethyst Fault Zone


Alterations

Alteration Type: L
Alteration Text: Limonite, Copper Carbonates


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

Analytical Data: 39 TO 40 OZ/TON AG, $0.60/TON AU


Materials

Ore: Chalcopyrite
Gangue: Barite
Gangue: Amethyst


Comments

Comment (Development): LODE DISCOVERED DURING DRIVING OF NELSON TUNNEL AT DISTANCE OF 2047 FT FROM PORTAL

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 2047 FT FROM PORTAL OF NELSON TUNNEL. ; INFO FROM LAND.ST :(1976)

Comment (Deposit): ATTITUDE IS FOR FRACTURED, SHEETED ZONE THAT, ON TUNNEL LEVEL, CONTAINS THREE VEINS AT N15E, 35-70 SE

Comment (Workings): 300-FT LONG RAISE WITH SHORT STOPES AND DRIFTS. SAME VEIN IS APPARENTLY WORKED AT SW END OF OVERHOLT CROSSCUT OFF MCCLURE DRIFT AND CROSSCUT ON COMMODORE 5 LEVEL

Comment (Deposit): Discovery Year: EARLY 1890S


References

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.

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


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.