Alder Limonite Deposit

Past Producer in Saguache county in Colorado, United States with commodities Iron, Titanium, Metal
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10016169
MRDS ID DC00629
Record type Site
Current site name Alder Limonite Deposit
Alternate or previous names Miller Vein Deposit, Round Hill Deposit, Decker Creek Deposit

Geographic coordinates

Point of reference Approximate
Geographic coordinates: -105.99809, 38.38473 (WGS84)
Elevation 2804
Relative position 5.5 MILES S63E OF PONCHA PASS

Site location context

Political divisions (FIPS codes)

Saguache(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Wellsville(quadrangle 1:24,000 scale)

Canon City(quadrangle 1:100,000 scale)

Pueblo(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Luis(hydrologic unit)

Rio Grande Headwaters(hydrologic accounting unit)

Rio Grande Headwaters(hydrologic subregion)

Rio Grande(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CO)

Bureau of Land Management CO BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Colorado Saguache

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 48N 09E 29 Colorado

Comments on the location information

  • 2 MILES EAST OF ALDER BETWEEN BRANCHES OF DECKER CR. ; INFO FROM LAND.ST :(1976)

Commodities

Commodity Importance
Iron Primary
Titanium, Metal Critical Tertiary

Materials information

Materials Type of material
Hematite Ore
Limonite Ore

Analytical data

Result 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
Result 0.01 TO 0.1 % CU, CR, MN, NI
Result 0.1 TO 1.0 % TI.

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Sand and Gravel
    Stratigraphic age (youngest) Holocene
    Stratigraphic age (youngest) Holocene

Nearby scientific data

Approximate (1) -105.99809, 38.38473

Economic information

Geologic structures

Type of structure Regional
Structure description Sangre De Cristo Range, Rio Grande Rift

Ore body information

  • Thickness 2.44M
    Width 30.48M

Comments on the geologic information

  • GEOL.DESC: HIGH SILICA CONTENT, YELLOW TO BROWN LIMONITE, ASSOC. W/SOME PYRITE

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Land status

Ownership category National Forest

Comments on the production information

  • TOTAL PRODUCTION UNKNOWN. HARRER AND TESCH ESTIMATE 1943 PRODUCTION OF 50 TONS HAND-SORTED ORE AT 45 % FE

Comments on the workings information

  • SEVERAL SMALL SURFACE CUTS

Reference information

Bibliographic references

  • Deposit

    USBM MIN. EXAM FILE

  • Deposit

    HARRER, C.M., AND TESCH, W.J., JR., 1959, RECONNAISSANCE OF IRON OCCURRENCES IN COLORADO: U.S. BUREAU OF MINES 1C 7918.

  • Deposit

    CONSV. DIV. COMP. DATE, 8,69

General comments

Subject category Comment text
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.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1972 Unknown Unknown
Updater 01-FEB-1982 Schwochow, Stephen D. Colorado Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative Colorado resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.