The Alder Limonite Deposit is a iron mine located in Saguache county, Colorado at an elevation of 9,199 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
Elevation: 9,199 Feet (2,804 Meters)
Commodity: Iron
Lat, Long: 38.38472, -105.99750
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.
Alder Limonite Deposit MRDS details
Site Name
Primary: Alder Limonite Deposit
Secondary: Miller Vein Deposit
Secondary: Round Hill Deposit
Secondary: Decker Creek Deposit
Commodity
Primary: Iron
Tertiary: Titanium, Metal
Location
State: Colorado
County: Saguache
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: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: R
Description: Sangre De Cristo Range, Rio Grande Rift
Alterations
Not available
Rocks
Name: Sand and Gravel
Role: Host
Age Type: Host Rock
Age Young: Holocene
Name: Sand and Gravel
Role: Host
Age Type: Host Rock Unit
Age Young: Holocene
Analytical Data
Analytical Data: 0.1 TO 1.0 % TI.
Analytical Data: 0.01 TO 0.1 % CU, CR, MN, NI
Analytical Data: CHARACTER SAMPLE ANALYSIS GAVE 29.8 % FE, 0.23 % P, 0.37 % S, 36.4 % SI02, LT 0.1 % MN. ANALYSIS OF ORE SHIPMENT GAVE 45.0 % FE, 0.032 % P, 19.9 % SI02, 3.5 % AL203, 0.3 % MG0. SPECTROGRAPHIC ANALYSIS GAVE 0.001 TO 0.01 % GA, PB, ZR, V
Materials
Ore: Hematite
Ore: Limonite
Comments
Comment (Location): 2 MILES EAST OF ALDER BETWEEN BRANCHES OF DECKER CR. ; INFO FROM LAND.ST :(1976)
Comment (Workings): SEVERAL SMALL SURFACE CUTS
Comment (Geology): GEOL.DESC: HIGH SILICA CONTENT, YELLOW TO BROWN LIMONITE, ASSOC. W/SOME PYRITE
Comment (Deposit): A B0G IRON DEPOSIT OF VARIABLE COMPOSITION, TEXTURE, AND FE CONTENT, RANGING FROM NEARLY PURE, POROUS, CLINKERY LIMONITE TO MIXTURE OF LIMONITE AND SAND/GRAVEL TO COLLUVIAL MIXTURE OF PRECAMBRIAN FLOAT CEMENTED BY LIMONITE.
Comment (Production): TOTAL PRODUCTION UNKNOWN. HARRER AND TESCH ESTIMATE 1943 PRODUCTION OF 50 TONS HAND-SORTED ORE AT 45 % FE
References
Reference (Deposit): USBM MIN. EXAM FILE
Reference (Deposit): CONSV. DIV. COMP. DATE, 8,69
Reference (Deposit): HARRER, C.M., AND TESCH, W.J., JR., 1959, RECONNAISSANCE OF IRON OCCURRENCES IN COLORADO: U.S. BUREAU OF MINES 1C 7918.
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.
