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  3. Mineral Resource Data System (MRDS)

Aspen

Past Producer in Pitkin county in Colorado, United States with commodities Silver, Lead, Gold, Zinc, Platinum
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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. Mineral occurrence model information
  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. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10038073
MRDS ID M045347
Record type Site
Current site name Aspen

Geographic coordinates

Geographic coordinates: -106.8184, 39.18805 (WGS84)
Elevation 2408
Relative position NEAR 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)

Geographic areas

Country State County
United States Colorado Pitkin

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 010S;010S 084W;085W Colorado

Comments on the location information

  • OLD MINING CLAIMS SURROUND ASPEN; THERE ARE MANY ADIT AND SHAFT SYMBOLS SHOWN ON TOPO MAP. LOCATION GIVEN IS FOR MOUTH OF HUNTER CREEK AT ROARING CREEK JUST NORTH OF ASPEN BASED ON THE ASSUMPTION THAT DAY AND RICHARDS' INFORMATION IS FOR A PLACER DEPOSIT INFO FROM LAND.ST :01?

Commodities

Commodity Importance
Silver Primary
Lead Primary
Gold Secondary
Zinc Critical Secondary
Platinum Critical Secondary

Materials information

Materials Type of material
Galena Ore
Barite Gangue

Analytical data

Result $1.03/TON (0.05 OZ/TON, 1.7 PPM) AU, $1.50/TON (0.05 OZ/TON, 1.7 PPM) PT - CONCENTRATION 600 LB/TON GRAVEL
Result AU:PT=1:1

Mineral occurrence model information

Model code 119
USGS model code 39a
Deposit model name Placer Au-PGE
Mark3 model number 54

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Schist
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel
    Rock unit name Sedimentary Rocks
    Rock description Sedimentary Rocks

Nearby scientific data

(1) -106.8184, 39.18805
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Castle Creek Fault With About 5,000 Ft Displacement
Type of structure Local
Structure description Local Folds And Faults

Ore body information

  • General form IF PLACER, STREAM SEDIMENT DEPOSITS

Controls for ore emplacement

  • Folding And Faulting

Comments on the geologic information

  • GEOLOGY GIVEN IS FOR LODE DEPOSITS IN DISTRICT

Economic information about the deposit and operations

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

Mining district

District name Roaring Fork District

Comments on the production information

  • PGM PROD NOT VERIFIED

Comments on the workings information

  • TUNNEL

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit MOST OF ORE IS IN FISSURE VEINS. DAY AND RICHARDS DATA MORE LIKELY FROM PLACER ACCUMULATIONS IN DISTRICT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1975 Blair, Will N. U.S. Geological Survey
Updater 01-DEC-1989 Peterson, Jocelyn A. U.S. 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.