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Late Acquisition Mine

Past Producer in Pitkin county in Colorado, United States with commodities Silver, Lead, Zinc, Gold
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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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Ownership information
  15. Production statistics
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10013377
MRDS ID D009638
Record type Site
Current site name Late Acquisition Mine
Alternate or previous names Claims: Late Acquisition, Hoskins, Iron, Monarch, Traynor
Related records 10118192

Geographic coordinates

Geographic coordinates: -106.82979, 39.17749 (WGS84)
Elevation 2938
Relative position 1 MILE S 38 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 SW OF SE Colorado

Comments on the location information

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

Commodities

Commodity Importance
Silver Primary
Lead Primary
Zinc Critical Primary
Gold Tertiary

Comments on the commodity information

  • AU REPORTED IN ORE ASSAY FROM 1925

Materials information

Materials Type of material
Sphalerite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Mississippian
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Aplite Porphyry;Hornblende Quartz Diorite
    Rock description Aplite Porphyry;Hornblende Quartz Diorite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
    Rock unit name Leadville Limestone;Manitou Dolomite And Chaffee Formation
    Rock description Leadville Limestone;Manitou Dolomite And Chaffee Formation

Nearby scientific data

(1) -106.82979, 39.17749
ListMap

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 Aspen Mountain Syncline, Saddle Rock Fault, Pride Fault

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1881
Discoverer J. W. Adair And Others (Claimants)

Mining district

District name Aspen (Roaring Fork) District

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Herron Family
    First year 1956

Production statistics

  • Year 1913
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^3 Oz/Ton Ag, 7.1% Pb, 33.2% Zn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Zinc Zinc 33wt-pct
    Major Ore Lead Lead 7wt-pct
    Trace Ore Gold Gold 85g/mt
  • Year 1914
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^2.2 To 8.8 Oz/Ton Ag, 6 To 14% Pb, 26 To 35% Zn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Zinc Zinc 31wt-pct
    Major Ore Lead Lead 10wt-pct
    Major Ore Silver Silver 6g/mt
  • Year 1915
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^2.6 To 8.7 Oz/Ton Ag, 11 To 16% Pb, 15 To 37% Zn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Zinc Zinc 27wt-pct
    Major Ore Lead Lead 14wt-pct
    Major Ore Silver Silver 11g/mt
  • Year 1916
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^2.7 To 7.8 Oz/Ton Ag, 8 To 23% Pb, 17 To 30% Zn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Zinc Zinc 24wt-pct
    Major Ore Lead Lead 16wt-pct
    Major Ore Silver Silver 148g/mt
  • Year 1917
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^2.9 Oz/Ton Ag, 6.7% Pb, 27.1% Zn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Zinc Zinc 27wt-pct
    Major Ore Silver Silver 82g/mt
    Major Ore Lead Lead 7wt-pct
  • Year 1918
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^1.5 To 3 Oz/Ton Ag, 3 To 8% Pb, 28 To 32% Zn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Zinc Zinc 30wt-pct
    Major Ore Lead Lead 6wt-pct
    Major Ore Silver Silver 64g/mt
  • Year 1919
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^1.5 To 5.5 Oz/Ton Ag, 4 To 14% Pb, 9 To 32% Zn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Zinc Zinc 21wt-pct
    Major Ore Lead Lead 9wt-pct
    Major Ore Silver Silver 99g/mt

Comments on the production information

  • PARTIAL PRODUCTION RECORD

Workings at the site

  • Type of workings Underground
    Overall depth 38.1M

Comments on the workings information

  • 125-FT-DEEP SHAFT WITH FOUR LEVELS

Comments on development

  • CLAIMS LISTED ABOVE REPRESENT LATE ACQUISITION MINING CO. (1916)

Reference information

Bibliographic references

  • Deposit

    SPURR, J. E., 1898, GEOLOGY OF THE ASPEN DISTRICT, COLORADO: USGS MON. 31, P. 161

  • 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

    HEYL, A. V., 1964, OXIDIZED ZINC DEPOSITS OF THE UNITED STATES, PART 3--COLORADO: USGS BULL. 1135-C, P. 61.

  • Deposit

    BLM MINERAL SURVEYS MS 1484, 1723, 1724, 1725

  • Production

    HEYL (1964) AS COMPILED FROM PRIVATE PROPERTY OWNERS RECORDS

General comments

Subject category Comment text
Deposit (SEE LAST PAGE)

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.

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.