Calumet Mine

Past Producer in Chaffee county in Colorado, United States with commodities Iron, Copper, Tungsten, Vermiculite, Magnesite, Corundum
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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Production statistics
  19. Workings at the site
  20. Links to other databases
  21. Bibliographic references
  22. General comments
  23. Reporter information

Geologic information

Identification information

Deposit ID 10101849
MRDS ID D010350
Record type Site
Current site name Calumet Mine
Alternate or previous names Calumet Iron Mine, Calumet-Hecla-Smithville Magnetite Deposit, Patented Lode Claims: Calumet, Calumet No. 2, Hecla, Hecla No. 2,, Smithville, Smithville No. 2, Patented Placer Claims: Calumet, Hecla-Williamson, Smithville, Cf&I Co. Mine
Related records 10117177

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -105.94785, 38.63737 (WGS84)
Elevation 2896
Location accuracy 100(meters)
Relative position 7.5 MILES N 19 E OF SALIDA POST OFFICE, main mine dump. (Location per local resident, Matt Bourget, MIT student from CSM, Aug. 2009).

Site location context

Political divisions (FIPS codes)

Chaffee(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cameron Mountain(quadrangle 1:24,000 scale)

Pikes Peak(quadrangle 1:100,000 scale)

Pueblo(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Arkansas Headwaters(hydrologic unit)

Upper Arkansas(hydrologic accounting unit)

Upper Arkansas(hydrologic subregion)

Arkansas-White-Red(hydrologic region)

Federal lands

Pike and San Isabel National Forests(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado Chaffee

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 051N 009E 26,35,27,34 SW (26); NW (35) Colorado

Comments on the location information

  • DEPOSIT MAINLY IN SECTIONS 26 AND 35, WITH MINOR WORKINGS IN OTHER TWO SECTIONS; ON SW SLOPE OF CALUMET MOUNTAIN ; INFO FROM LAND.ST :(1976)
  • Location per local resident, Matt Bourget, MIT student from CSM, Aug. 2009. Based on Google Earth and Microsoft Mapper images.

Commodities

Commodity Importance
Iron Primary
Copper Secondary
Tungsten Critical Secondary
Vermiculite Secondary
Magnesite Tertiary
Corundum Tertiary

Comments on the commodity information

  • HIGH SULFUR CONTENT IN REMAINING ORE

Materials information

Materials Type of material
Chalcopyrite Ore
Corundum Ore
Hematite Ore
Limonite Ore
Magnesite Ore
Magnetite Ore
Malachite Ore
Pyrite Ore
Scheelite Ore
Vermiculite Ore
Actinolite Gangue
Apatite Gangue
Biotite Gangue
Calcite Gangue
Diopside Gangue
Epidote Gangue
Garnet Gangue
Tremolite Gangue
Wernerite Gangue

Alteration

  • (Local) Contact Metamorphism With Bleaching, Marmorization, Epidotization, Oxidation

Analytical data

Result FIRST ORE MINED CONTAINED 60% FE, LOW 5
Result LAST ORE MINED CONTAINED 43% FE WITH INCREASING 5 (PYRITE) CONTENT AT DEPTH
Result TYPICAL ORE SHIPPED 1887: 60.9% FE, 10.6% SIO2, 0.63% S
Result TYPICAL ORE SHIPPED 1894: 43.7% FE, 19.0% SIO2, 0.52% S, 0.017% P
Result 1957 SAMPLE: 55.7% FE, 14.6% SIO2, 0.03% S, 0.01% P, 0.2% MN, 0.01-0.1% TI AND NI
Result 1958 SAMPLES: 48.03-63.28% FE, 7.04-12.4% SIO2, 0.61-1.42% S, 0.007-0.008% P, 1.9% AL203, 1.59% CAO, 1.70% MN WITH 0.001-0.01% CU, PB, GA, ZR, V, CR, CO

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Granodiorite (Calumet Granodiorite)
    Rock description Granodiorite (Calumet Granodiorite)
    Stratigraphic age (youngest) Mississippian
    Stratigraphic age (youngest) Mississippian
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Leadville Limestone
    Rock description Leadville Limestone
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite

Economic information

Geologic structures

Type of structure Regional
Structure description Southern Mosquito Range, Arkansas Valley Graben
Type of structure Local
Structure description West Flank Pleasant Valley Syncline, 2 Faults (Trending N 15 E, N 60 W)

Ore body information

  • Strike NE (IN SECTION 35)
    Dip 40-60 NW
    Thickness 15.24M
    Length 548.64M
    Width 152.4M

Controls for ore emplacement

  • Leadville Fm Between Two Enclosing Sills; Fractures

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Discovery year 1880
Discoverer Colorado Coal And Iron Company?
Year of first production 1882
Year of last production 1928

Mining district

District name Calumet District (Turret District)

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner George E. Everett (Surface Rights) ; Calcium Co. (Mineral Rights)
    Home office Salida, Co.
    First year 1958

Production statistics

  • Year 1882
    Material FE ORE ACC
    Description Ap_Grade: ^Avg 60% Fe
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Iron Iron 60wt-pct
  • Year 1883
    Material FE ORE ACC
    Description Ap_Grade: ^Avg 60% Fe
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Iron Iron 60wt-pct
  • Year 1884
    Material FE ORE ACC
    Description Ap_Grade: ^Avg 60% Fe
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Iron Iron 60wt-pct
  • Year 1885
    Material FE ORE ACC
    Description Ap_Grade: ^Avg 60% Fe
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Iron Iron 60wt-pct
  • Year 1887
    Material FE ORE ACC
    Description Ap_Grade: ^Avg 60% Fe
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Iron Iron 60wt-pct
  • Year 1888
    Material FE ORE ACC
    Description Ap_Grade: ^Avg 60% Fe
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Iron Iron 60wt-pct
  • Year 1889
    Material FE ORE ACC
    Description Ap_Grade: ^45-60% Fe
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Iron Iron 53wt-pct
  • Year 1890
    Material FE ORE ACC
    Description Ap_Grade: ^45-60% Fe
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Iron Iron 53wt-pct
  • Year 1891
    Material FE ORE ACC
    Description Ap_Grade: ^45-60% Fe
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Iron Iron 53wt-pct
  • Year 1892
    Material FE ORE ACC
    Description Ap_Grade: ^45-60% Fe
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Iron Iron 53wt-pct
  • Year 1893
    Material FE ORE ACC
    Description Ap_Grade: ^45-60% Fe
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Iron Iron 53wt-pct
  • Year 1894
    Material FE ORE ACC
    Description Ap_Grade: ^43-45% Fe
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Iron Iron 44wt-pct
  • Year 1895
    Material FE ORE ACC
    Description Ap_Grade: ^43-45% Fe
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Iron Iron 44wt-pct
  • Year 1896
    Material FE ORE ACC
    Description Ap_Grade: ^43-45% Fe
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Iron Iron 44wt-pct
  • Year 1899
    Period 1882-1899
    Material FE ORE ACC
    Description Cp_Grade: ^45-60% Fe
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Iron Iron 53wt-pct

Comments on the production information

  • ESTIMATED $11,000,000 OF IRON ORE MINED PRE-1900; 8 CARLOADS VERMICULITE SHIPPED IN 1928

Workings at the site

  • Type of workings Surface/Underground
    Area 17.173HA
    Length 304.8M
    Overall depth 30.48M
    Overall length 426.72M
    Overall width 426.72M

Comments on the workings information

  • EXTENSIVE UNDERGROUND WORKINGS WITH SHAFTS, INCLINES, ADITS; OPEN CUTS; MOST WORKINGS CAVED AND INACCESSIBLE; UNDERGROUND WORKINGS LARGELY INCLINED CHAMBERS FOLLOWING DIP DOWNWARD TO EAST; SOUTHERN OPEN CUT IS 400X50X30 FT DEEP; NORTHERN CUT, 120 FT NORTH OF SOUTHERN CUT, IS 100X30X20 FT DEEP; AN INCLINE LIES JUST WEST OF SOUTHERN CUT

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit COUNTRY ROCK STRIKES N 50 W, DIPS 33 NE; MAGNETITE OCCURS AS BANDS PARALLEL TO BEDDING WITH INDIVIDUAL BANDS TO 2 FT THICK; VERMICULITE VEIN 20 INCHES WIDE
Deposit ADDITIONAL REFERENCES: ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-83 Collins, Donna B. 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.