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.