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Sky City Mine

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

Geologic information

Identification information

Deposit ID 10012930
MRDS ID D008952
Record type Site
Current site name Sky City Mine
Alternate or previous names Lawrence, Saguache, Denver, Bellview, Albany, Del Norte, Cabin, Apollo, Hector, Sky City
Related records 10167260

Geographic coordinates

Geographic coordinates: -106.67478, 37.91973 (WGS84)
Elevation 3170
Relative position 14.5 MILES N70E OF CREEDE

Site location context

Political divisions (FIPS codes)

Saguache(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mesa Mountain(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)

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 Saguache

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 042N;043N 003E;003E 05;32 N2 (05); SE (32) Colorado

Comments on the location information

  • ON EAST BANK OF WANNAMAKER GULCH IN UNSURVEYED SECTION ; INFO FROM LAND.ST :1976

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Primary
Zinc Critical Primary
Copper Primary

Materials information

Materials Type of material
Pyrite Ore

Alteration

  • (Local) Strong Argillization, Slight Propylitization

Analytical data

Result STEVEN AND BIENIEWSKI RAN SEMIQUANTITATIVE SPECTROGRAPHIC ANALYSES ON 11 GRAB SAMPLES FROM VARIOUS DUMPS IN MINE AREA. EACH SET OF VALUES IS SAMPLE NUMBER, % FE, % MG, % CA, % TI, PPM MN, PPM AG, PPM BA, PPM CO, PPM CR, PPM CU, PPM MO, PPM NI, PPM PB, PPM SR, PPM V, PPM ZN, PPM ZR, VARIOUS FIRE ASSAYS OF BASE AND PRECIOUS METALS: NO. 87, 7, 2, 0.5, 0.7, 1000, 1, 1000, 10, 30, 70, 5, 5, 50, 100, 150, L.T. 200, 500, 0.01 OZ/TON AU, 0.28 OZ/TON AG
Result NO. 88, 10, 0.5, 0.1, 0.2, 300, 20, 700, 5, 30, 70, 10, 5, 50, 100, 100, L.T. 200, 200, 0.02 OZ/TON AU, 0.58 OZ/TON AG, 0.009 % BI, 0.57 % MN
Result NO. 89, 20, 3, 10, 0.1, G.T. 5000, 10, 500, 700, 10, 30, 200, 10, 5, 1500, 150, 70, 1000, 100, 0.02 OZ/TON AU, 0.10 OZ/TON AG, 0.015 % CU, 0.04 % PB, 0.08 % ZN, 1.20 % CAF2, 0.024 % AS, 0.008 % BI
Result NO. 90, 10, 5, 2, 1, 2000, 0.5, 1000, 20, 30, 70, L.T. 5, 20, 70, 100, 200, 200, 500, 0.005 OZ/TON AU, TR AG
Result NO. 91, 15, 5, 5, 1, 2000, L.T. 0.5, 2000, 30, 50, 100, L.T. 5, 20, 50, 300, 500, L.T. 200, 1000, 0.005 OZ/TON AU, 0.38 OZ/TON AG, 0.055 % CU, 0.04 % V
Result NO. 92, 10, 3, 5, 1, 2000, 0.5, 2000, 20, 70, 70, 5, 10, 500, 1000, 200, L.T. 200, 500, 0.01 OZ/TON AU, 0.30 OZ/TON AG, 0.09 % SR, 0.003 % Y
Result N

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Monzonite
    Rock unit name Conejos Formation;Carpenter Ridge Tuff
    Rock description Conejos Formation;Carpenter Ridge Tuff
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Monzonite
    Rock unit name Conejos Formation;Carpenter Ridge Tuff
    Rock description Conejos Formation;Carpenter Ridge Tuff

Nearby scientific data

(1) -106.67478, 37.91973
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description San Juan Volcanic Field, La Garita Caldera
Type of structure Local
Structure description Unnamed Intrusive Center

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1906
Discoverer John Lawrence

Mining district

District name Saguache Park Area

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Wannamaker Mining And Milling Co.
    Home office Saguache, Co
    First year 1953

Comments on the workings information

  • SEVERAL ADITS AND SHAFTS

Reference information

Bibliographic references

  • Deposit

    STEVEN, T.A., AND OTHERS, 1974, GEOLOGIC MAP OF THE DURANGO QUADRANGLE, SOUTHWESTERN COLORADO: USGS I-764

  • Deposit

    COLORADO DIV. MINES ANN. OPERATORS REPT.

  • Deposit

    STEVEN, T.A., AND BIENIEWSKI, C.L., 1977, MINERAL RESOURCES OF THE LA GARITA WILDERNESS, SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS BULL. 1420.

  • Deposit

    BLM MINERAL SURVEY 18084

General comments

Subject category Comment text
Deposit QUARTZ-PYRITE VEINS IN FRACTURE ZONES OF DIVERSE TRENDS CUTTING MONZONITIC INTRUSIVE PLUG THAT MARKS THE CORE OF ANDESITIC VOLCANO

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.

External references

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.