Aspen Mining and Drainage Tunnel

Past Producer in Pitkin county in Colorado, United States with commodities Silver, Lead, Zinc
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. 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 10013237
MRDS ID D009424
Record type Site
Current site name Aspen Mining and Drainage Tunnel
Alternate or previous names A. M. & D. Tunnel, Copperopolis, Claims: Aspen Mountain Tunnel Lode No. 1, Copperopolis

Geographic coordinates

Geographic coordinates: -106.82756, 39.18832 (WGS84)
Elevation 2469
Location accuracy 500(meters)
Relative position 0.4 MILES S 90 W FROM ASPEN

Site location context

Political divisions (FIPS codes)

Pitkin(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Aspen(quadrangle 1:24,000 scale)

Leadville(quadrangle 1:100,000 scale)

Leadville(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Roaring Fork(hydrologic unit)

Colorado Headwaters(hydrologic accounting unit)

Colorado Headwaters(hydrologic subregion)

Upper Colorado(hydrologic region)

Federal lands

White River 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 Pitkin

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 010S 085W 13 NW OF NE Colorado

Comments on the location information

  • AT NE BASE OF WEST ASPEN MTN. ELEV AND LAT-LONG APPROXIMATED FROM BRYANT (1972) ; INFO FROM LAND.ST :(1980)

Commodities

Commodity Importance
Silver Primary
Lead Primary
Zinc Critical Primary

Materials information

Materials Type of material
Sphalerite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Aplite Porphyry
    Rock description Aplite Porphyry
    Stratigraphic age (youngest) Pennsylvanian
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Paleocene
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Belden Formation;Maroon Formation
    Rock description Belden Formation;Maroon Formation

Nearby scientific data

(1) -106.82756, 39.18832

Economic information

Geologic structures

Type of structure Regional
Structure description Sawatch Uplift, Central Colorado Trough, Piceance Basin, White River Uplift, Elk Uplift
Type of structure Local
Structure description Pride Fault, Aspen Mountain Syncline

Ore body information

  • General form IRREGULAR
    Thickness 3.05M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Aspen (Roaring Fork) District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner John Peterson And Associates
    Home office Aspen, Co.
    First year 1919
  • Type Owner
    Owner G. W. Thatcher
    Home office Aspen, Co.
    First year 1919

Comments on the workings information

  • ONE TUNNEL DRIVEN SW 1000 FT. AT 475 FT FROM PORTAL, 175-FT DRIFT DRIVEN WESTWARD

Reference information

Bibliographic references

  • Deposit

    SPURR, J.E., 1898, GEOLOGY OF THE ASPEN DISTRICT, COLORADO: USGS MON. 31, P. 166

  • Deposit

    BRYANT, BRUCE, 1971, GEOLOGIC MAP OF THE ASPEN QUADRANGLE, PITKIN COUNTY, COLORADO: USGS MAP GQ-933.

  • Deposit

    BRYANT, BRUCE, 1972, MAP SHOWING MINES, PROSPECTS, AND AREAS OF SIGNIFICANT SILVER, LEAD, AND ZINC PRODUCTION IN THE ASPEN QUADRANGLE, PITKIN COUNTY, COLORADO: USGS MAP I-785-D

  • Deposit

    BLM MINERAL SURVEYS MS 10035, 1759

General comments

Subject category Comment text
Deposit TUNNEL INTERSECTED NORTH-SOUTH-TRENDING FAULT CLOSE TO AND EAST OF PRIDE FAULT. FOOTWALL CONTAINED PORPHYRY; HANGING WALL CONSISTS OF BRECCIATED SHALE, LIMESTONE, AND PORPHYRY. SULFIDES OCCUR IN IRREGULAR MASSES IN SPACES BETWEEN LIMESTONE FRAGMENTS IN FAULT ZONE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-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.