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Buckhorn Mine

Past Producer in Saguache county in Colorado, United States with commodities Gold, Silver, Copper, Lead, Molybdenum
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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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10012914
MRDS ID D008931
Record type Site
Current site name Buckhorn Mine
Alternate or previous names Buckhorn, Oceanic, Queen of Sheba, Adelia, Baltic, Celtic, Atlantic, Adriatic

Geographic coordinates

Geographic coordinates: -106.30949, 37.94529 (WGS84)
Elevation 2835
Relative position 18.2 MILES N7E OF DEL NORTE

Site location context

Political divisions (FIPS codes)

Saguache(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lime Creek(quadrangle 1:24,000 scale)

Del Norte(quadrangle 1:100,000 scale)

Durango(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Saguache(hydrologic unit)

Rio Grande Headwaters(hydrologic accounting unit)

Rio Grande Headwaters(hydrologic subregion)

Rio Grande(hydrologic region)

Geographic areas

Country State County
United States Colorado Saguache

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 043N 006E 27,28 SW OF SW OF NW (27); NW OF NW OF SW (27); S2 OF SE OF NE (28); N2 OF NE OF SE (28) Colorado

Comments on the location information

  • ON CRYSTAL HILL BETWEEN SANDERSON GULCH AND BIEDELL CREEK 8 MILES NW OF LA GARITA. PRINCIPAL MINE OPENING IS IN S2 SE NE SEC. 28 ; INFO FROM LAND.ST :1977

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Tertiary
Lead Tertiary
Molybdenum Tertiary

Materials information

Materials Type of material
Cerargyrite Ore
Gold Ore
Wad Ore
Beidellite Gangue
Magnetite Gangue
Malachite Gangue
Quartz Gangue

Alteration

  • (Local) Pervasive Propylitization; Locally Intense Argillization; Kaolinitization, Silicification

Analytical data

Result OSTERWALD'S GEOCHEMICAL ANALYSES SHOW 500 TO 5000 PPM CU, 3000 TO 6999 PPM PB, 20 TO 59 PPM MO

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Quartz Latite
    Rock unit name Biedell Quartz Latite
    Rock description Biedell Quartz Latite
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Quartz Latite
    Rock unit name Biedell Quartz Latite
    Rock description Biedell Quartz Latite

Nearby scientific data

(1) -106.30949, 37.94529
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description San Juan Volcanic Field, Rio Grande Rift
Type of structure Local
Structure description Biedell-Klondike Fault, Esperanza Fault Zone, Biedell Stock

Controls for ore emplacement

  • Breccia Pipe And Shear Zone In Small Stock

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1886
Discoverer George E. Pollock

Mining district

District name Crystal Hill District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Crystal Hill Mining Co.
    Home office Center, Co.
    First year 1949
  • Type Owner
    Owner John Hamm
    Home office Center, Co.
    First year 1949

Comments on the workings information

  • SOUTH TUNNEL DRIVEN GENERALLY EASTWARD FOR 200 FT, WITH 50 FT OF CROSSCUT AND 40 FT OF DRIFT. NORTH TUNNEL IS 200 FT TO NORTH, DRIVEN GENERALLY EASTWARD ALONG ESPERANZA FAULT ZONE FOR 370 FT. FIRST CROSSCUT DRIFT IS 56 FT LONG, DRIVEN AT RIGHT ANGLE TO TUNNEL 200 FT FROM PORTAL. SECOND CROSSCUT DRIFT IS 100 FT LONG, DRIVEN AT RIGHT ANGLE TO TUNNEL 300 FT FROM PORTAL. EVIDENCE OF OPEN PIT OPERATION.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit BIEDELL STOCK IS PORPHYRITIC QUARTZ LATITE INTRUSIVE BOUNDED ON SE BY BIEDELL-KLONDIKE FAULT AND CUT BY SMALLER NORMAL FAULTS ON SW AND ON NORTH BY EAST-WEST-TRENDING ESPERANZA FAULT ZONE. OXIDIZED MANGANIFEROUS ORES FILL VOID SPACES IN BRECCIA PIPE; SOME VEIN-TYPE OCCURRENCE MAY BE PRESENT IN ESPERANZA FAULT ZONE. MINERALIZING FLUIDS PROBABLY ORIGINATED FROM BIEDELL-KLONDIKE FAULT. ADVANCED HYDROTHERMAL ALTERATION AROUND BRECCIA PIPE. SILVER HALOID AND FREE GOLD IN MANGANESE IS CONSIDERED TO BE A COCKADE ORE IN THE OXIDIZED AND LEACHED ZONE. PRESENCE OF CU CARBONATES (AT ESPERANZA MINE) SUGGESTS SULFIDE ZONE AND ENRICHMENT MAY LIE AT DEPTH.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1982 Schwochow, Stephen D. Colorado Geological Survey

Beyond USGS

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

Maps centered on this site

Authoritative Colorado resources

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