1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Tilly Shaft

Past Producer in Pitkin county in Colorado, United States with commodities Silver, Lead, Zinc
Map
XML
JSON
KML
B
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. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10013386
MRDS ID D009650
Record type Site
Current site name Tilly Shaft
Alternate or previous names Claim: Tillie

Geographic coordinates

Geographic coordinates: -106.75312, 39.23943 (WGS84)
Elevation 2713
Relative position 5.3 MILES N 41 E 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 009S 084W 22 SW OF SE Colorado

Comments on the location information

  • LENADO AREA OR SUBDISTRICT ALONG WOODY CREEK, ON UNNAMED TRIBUTARY EAST (UPSTREAM) OF SILVER CREEK AND 0.4 MILE NE OF ASPEN CONTACT MINE. ELEV AND LAT-LONG FROM BRYANT (1972) ; INFO FROM LAND.ST :(1980)

Commodities

Commodity Importance
Silver Primary
Lead Primary
Zinc Critical Primary

Analytical data

Result GALENA CONTAINED 5 TO 6 OZ/TON AG

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Quartz Monzonite
    Rock description Quartz Monzonite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Mississippian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
    Rock unit name Leadville Limestone;Belden Formation
    Rock description Leadville Limestone;Belden Formation

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 Lenado Fault, Silver Fault

Controls for ore emplacement

  • Bedding Plane Fault; Paleokarst Zone

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1890
Discoverer W. H. Tobin (Claimant)

Mining district

District name Aspen (Roaring Fork) District

Land status

Ownership category Private

Reference information

Bibliographic references

  • Deposit

    SPURR, J. E., 1898, GEOLOGY OF THE ASPEN DISTRICT, COLORADO: USGS MON. 31, P. 202

  • 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 SURVEY MS 6635

General comments

Subject category Comment text
Deposit ORE OCCURS IN HARD BLUE DOLOMITE IN SILVER FAULT SEPARATING LEADVILLE AND BELDEN SHALE

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.

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.