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Alpha Mine

Past Producer in Mineral county in Colorado, United States with commodities Silver, Antimony, Copper, Lead, Zinc
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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. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10012325
MRDS ID D007886
Record type Site
Current site name Alpha Mine

Geographic coordinates

Geographic coordinates: -106.96312, 37.84501 (WGS84)
Elevation 2761
Relative position 2 MILES S73W FROM CREEDE (B.M. 8853 AT NORTH END OF TOWN)

Site location context

Political divisions (FIPS codes)

Mineral(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Creede(quadrangle 1:24,000 scale)

Del Norte(quadrangle 1:100,000 scale)

Durango(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Rio Grande Headwaters(hydrologic unit)

Rio Grande Headwaters(hydrologic accounting unit)

Rio Grande Headwaters(hydrologic subregion)

Rio Grande(hydrologic region)

Federal lands

Rio Grande National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado Mineral

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 042N 001W 34 NW OF NE OF SE Colorado

Comments on the location information

  • S-T-R, LAT-LONG, AND ELEV DETERMINED FROM EMMONS AND LARSEN'S (1923) TOPO MAP (1:24,000), MINE OR CLAIM LIES AT SOUTH END OF MACKENZIE MTN AT SUNNYSIDE ; INFO FROM LAND.ST :(1976)

Commodities

Commodity Importance
Silver Primary
Antimony Critical Tertiary
Copper Tertiary
Lead Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Cerargyrite Ore
Silver Ore
Amethyst Gangue
Barite Gangue
Chalcanthite Gangue
Limonite Gangue
Pyrite Gangue
Quartz Gangue
Stephanite Gangue
Stibnite Gangue

Alteration

  • (Local) Bleaching, Variable Silicification And Argillization

Analytical data

Result AVG. 20 TO 60 OZ/TON A

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Campbell Mtn. Member Of Bachelor Mtn. Rhyolite;Fisher Quartz Latite
    Rock description Campbell Mtn. Mbr. Of Bachelor Mtn. Rhyolite;Fisher Quartz Latite
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Quartz Latite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Campbell Mtn. Member Of Bachelor Mtn. Rhyolite;Fisher Quartz Latite
    Rock description Campbell Mtn. Mbr. Of Bachelor Mtn. Rhyolite;Fisher Quartz Latite

Nearby scientific data

(1) -106.96312, 37.84501
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description San Juan Volcanic Field; La Garita, Creede, And Bachelor Calderas
Type of structure Local
Structure description Alpha-Corsair Fault; Creede Graben

Ore body information

  • Strike AVE. N31W
    Dip 55 NE
    Width 15.24M

Controls for ore emplacement

  • Sheeted Zones In Hanging Wall Of A-C Fault, Higher Grade Ore Near Offshoot Faults

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1883
Discoverer J.C. Mackenzie
Year of first production 1892

Mining district

District name Creede District

Land status

Ownership category Private

Workings at the site

  • Type of workings Underground
    Length 609.6M

Comments on the workings information

  • MINE DEVELOPED BY 3 TUNNELS OVER 125-FT VERTICAL DISTANCE ON HILLSIDE. NORTHEAST (?) OF LOWEST TUNNEL IS 155-FT WINZE ON 52 DEG INCLINE

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit AVE. ATTITUDE OF MAIN FAULT ZONE BETW. ALPHA AND KREUTZER MINES
Deposit TOTAL PRODUCTION FROM ALPHA AND CORSAIR MINES ESTIMATED AT $600,000 (THRU 1908), MOSTLY AG, MOSTLY FROM CORSAIR MINE ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1981 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.