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Marshal Or Langford Surface Iron

The Marshal Or Langford Surface Iron is a iron mine located in Boulder county, Colorado.

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: Marshal Or Langford Surface Iron  

State:  Colorado

County:  Boulder

Elevation:

Commodity: Iron

Lat, Long: 39.96444, -105.21056

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 Marshal Or Langford Surface Iron

Marshal Or Langford Surface Iron MRDS details

Site Name

Primary: Marshal Or Langford Surface Iron

Commodity

Primary: Iron

Location

State: Colorado
County: Boulder

Land Status

Not available

Holdings

Not available

Workings

Not available

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N

Physiography

General Physiographic Area: Interior Plains
Physiographic Province: Great Plains Province
Physiographic Section: Colorado Piedmont

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Name: Coal
Role: Host
Age Type: Host Rock
Age Young: Late Cretaceous

Analytical Data

Not available

Materials

Ore: Limonite
Ore: Siderite

Comments

Comment (Reserve-Resource): WORKINGS INACCESIBLE ABANDONED

Comment (Production): 250 TONS OF IRON IN 2 MONTHS (1873). APPROX 2 1/2 TONS OF NODULES / TON OF PIG IRON

Comment (Geology): GEOL.DESC: SIDERITE OCCURS AS NODULES CONFINED TO A THIN SEAM LYING ON A COAL BED. SIDERITE RELEASED BY WEATHERING AND OXIDIZED TO HEMATITE AND LIMONITE IS FOUND AS NODULES SCATTERED ABOUT THE SURFACE.

References

Reference (Deposit): U.S. BUREAU OF MINES MINERAL EXAM. FILE

Reference (Deposit): CONSV. DIV. COMP. DATE, 1,62

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.