Pittsburg Mine

The Pittsburg Mine is a silver and lead mine located in Utah county, Utah at an elevation of 10,079 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

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.

Site Name

Primary: Pittsburg Mine
Secondary: Pittsburg Consolidated M. and M. Company
Secondary: Pioneer Consolidated

Commodity

Primary: Silver
Primary: Lead
Secondary: Gold

Location

State: Utah
County: Utah
District: American 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

Not available

Production

Year: 1880
Time Period: 1872-1880
Description: Cp_Grade: ^13 Oz/Ton Ag, 44% Pb, $2 Au/Ton

Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
Year First Production: 1871
Year Last Production: 1910
Discovery Year: 1872
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Middle Rocky Mountains
Physiographic Detail: Wasatch Mountains

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Type: R
Description: Uinta-Cottonwood Arch, Cordilleran Hingeline, Sevier Overthrust Belt

Type: L
Description: Pittsburg Fault Is An East-West Normal Fault Downdropped To The North. N40e Fissures

Alterations

Alteration Type: L
Alteration Text: Iron Oxides, Sericite

Rocks

Name: Plutonic Rock
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene

Name: Plutonic Rock
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene

Analytical Data

Analytical Data: ORE AVERAGES 13 OZ/TON AG, 44% PB, AND 2 DOLLARS/TON AU

Materials

Ore: Galena
Ore: Plumbojarosite
Ore: Gold
Ore: Argentite
Gangue: Quartz
Gangue: Calcite

Comments

Comment (Geology): MOST MINERALIZATION HOSTED BY LIMESTONE MEMBER OF OPHIR FORMATION

Comment (Location): TOWNSHIP UNSURVEYED ; INFO FROM LAND.ST :1983

Comment (Production): AVERAGE GRADE OF ORE SHIPPED IN 1905 AND 1909 WAS 40 CENTS/TON AU, 9.45 OZ/TON AG, 38.8% PB

Comment (Development): DEVELOPMENT EXTENSIVE IN 1872. MINE INACTIVE BY 1880. MINOR PRODUCTION IN 1905 AND 1909

Comment (Deposit): MAIN ORE BODIES FORMED BY REPLACEMENT OF LIMESTONE MEMBER OF OPHIR FORMATION AND LOWER MAXFIELD LIMESTONE ADJACENT TO N40E STRIKING FISSURES. ORE MOSTLY OXIDIZED

Comment (Workings): SIX SHAFTS AND ONE ADIT OCCUR IN A LINE EXTENDING WEST FROM MAIN PORTAL. LEVELS 2 AND 3 ACCESSED BY TUNNELS AND LEVEL 1 BY SHAFTS. ONE LARGE STOPE EXTENDS ABOVE AND BELOW

References

Reference (Deposit): CALKINS, F.C., AND BUTLER, B.S., 1943, GEOLOGY AND ORE DEPOSITS OF THE COTTONWOOD-AMERICAN FORK AREA, UTAH: U.S. GEOLOGICAL SURVEY PROF. PAPER NO. 201.

Reference (Deposit): BUTLER, B.S., LOUGHLIN, G.F., HEIKES, V.C., AND OTHERS, 1920, THE ORE DEPOSITS OF UTAH: U.S. GEOLOGICAL SURVEY PROF. PAPER NO. 111.

Reference (Deposit): BAKER, A.A., CALKINS, F.C., CRITTENDEN, M.D., JR., AND BROMFIELD, C.S., 1966, GEOLOGIC MAP OF THE BRIGHTON QUADRANGLE, UTAH: U.S. GEOLOGICAL SURVEY GEOL. QUAD. MAP GQ-534

Reference (Production): BUTLER, 1920, CALKINS AND BUTLER, 1943

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