Late Acquisition Mine

The Late Acquisition Mine is a silver, lead, and zinc mine located in Pitkin county, Colorado at an elevation of 9,639 feet.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Satelite View

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Site Name

Primary: Late Acquisition Mine
Secondary: Claims: Late Acquisition
Secondary: Hoskins
Secondary: Iron
Secondary: Monarch
Secondary: Traynor

Commodity

Primary: Silver
Primary: Lead
Primary: Zinc
Tertiary: Gold

Location

State: Colorado
County: Pitkin
District: Aspen (Roaring Fork) District

Land Status

Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.

Holdings

Not available

Workings

Type: Underground

Ownership

Owner Name: Herron Family
Years: 1956 -

Production

Year: 1918
Material type: ORE
Description: Ap_Grade: ^1.5 To 3 Oz/Ton Ag, 3 To 8% Pb, 28 To 32% Zn
Year: 1917
Material type: ORE
Description: Ap_Grade: ^2.9 Oz/Ton Ag, 6.7% Pb, 27.1% Zn
Year: 1915
Material type: ORE
Description: Ap_Grade: ^2.6 To 8.7 Oz/Ton Ag, 11 To 16% Pb, 15 To 37% Zn
Year: 1913
Material type: ORE
Description: Ap_Grade: ^3 Oz/Ton Ag, 7.1% Pb, 33.2% Zn
Year: 1919
Material type: ORE
Description: Ap_Grade: ^1.5 To 5.5 Oz/Ton Ag, 4 To 14% Pb, 9 To 32% Zn
Year: 1916
Material type: ORE
Description: Ap_Grade: ^2.7 To 7.8 Oz/Ton Ag, 8 To 23% Pb, 17 To 30% Zn
Year: 1914
Material type: ORE
Description: Ap_Grade: ^2.2 To 8.8 Oz/Ton Ag, 6 To 14% Pb, 26 To 35% Zn

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1881
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Type: R
Description: Sawatch Uplift, Central Colorado Trough, Piceance Basin, White River Uplift, Elk Uplift

Type: L
Description: Aspen Mountain Syncline, Saddle Rock Fault, Pride Fault

Alterations

Not available

Rocks

Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Paleocene

Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Mississippian

Analytical Data

Not available

Materials

Ore: Sphalerite

Comments

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

Comment (Commodity): AU REPORTED IN ORE ASSAY FROM 1925

Comment (Production): PARTIAL PRODUCTION RECORD

Comment (Development): CLAIMS LISTED ABOVE REPRESENT LATE ACQUISITION MINING CO. (1916)

Comment (Deposit): (SEE LAST PAGE)

Comment (Workings): 125-FT-DEEP SHAFT WITH FOUR LEVELS

References

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

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

Reference (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

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

Reference (Deposit): BLM MINERAL SURVEYS MS 1484, 1723, 1724, 1725

Reference (Production): HEYL (1964) AS COMPILED FROM PRIVATE PROPERTY OWNERS RECORDS

Colorado Mining Photos

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