Monitor Lode

The Monitor Lode is a gold mine located in Las Animas county, Colorado at an elevation of 12,598 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

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.

Site Name

Primary: Monitor Lode

Commodity

Primary: Gold
Secondary: Copper
Secondary: Lead
Secondary: Silver

Location

State: Colorado
County: Las Animas
District: La Veta District

Land Status

Land ownership: National Forest
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: Prospect
Operation Type: Underground
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: Polymetallic veins

Orebody

Not available

Structure

Type: R
Description: Raton Basin Trough

Type: L
Description: La Veta Syncline

Alterations

Not available

Rocks

Name: Syenite
Role: Associated
Age Type: Host Rock
Age Young: Eocene

Name: Syenite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Early Permian

Name: Syenite
Role: Associated
Age Type: Associated Rock
Age Young: Early Permian

Analytical Data

Not available

Materials

Ore: Galena
Ore: Sphalerite
Ore: Chalcopyrite
Ore: Tetrahedrite
Gangue: Quartz
Gangue: Siderite
Gangue: Calcite

Comments

Comment (Location): ALONG UNNAMED TRIBUTARY OF SOUTH FORK TRUJILLO CREEK, CARRAWAY (1899) DESCRIBES LOCATION AS JUST BELOW TOP OF RIDGE. NW CLAIM CORNER SW OF PEAK; PROBABLY SEC. 3. ; INFO FROM LAND.ST :(1975) (1975)

References

Reference (Deposit): JOHNSON, R.B., 1969, GEOLOGIC MAP OF THE TRINIDAD QUADRANGLE, SOUTH-CENTRAL COLORADO: USGS MAP 1-558.

Reference (Deposit): HILLS, R.C., 1901, DESCRIPTION OF THE SPANISH PEAKS QUADRANGLE: USGS FOLIO 71.

Reference (Deposit): JOHNSON, R.B., 1968, GEOLOGY OF THE IGNEOUS ROCKS OF THE SPANISH PEAKS REGION, COLORADO: USGS PROF. PAPER 594-G.

Reference (Deposit): CARRAWAY, D.S., 1899, REPORT ON THE SPANISH PEAK GROUP OF MINING CLAIMS: COLO. STATE PLANNING COMM. UNPUB. REPT., 6 P.

Colorado Mining Photos

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