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