American Flag Shaft

The American Flag Shaft is a lead, gold, and silver mine located in Summit county, Utah at an elevation of 7,999 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

Name: American Flag Shaft  

State:  Utah

County:  Summit

Elevation: 7,999 Feet (2,438 Meters)

Commodity: Lead, Gold, Silver

Lat, Long: 40.62861, -111.49972

Map: View on Google Maps

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.


Satelite image of the American Flag Shaft

American Flag Shaft MRDS details

Site Name

Primary: American Flag Shaft
Secondary: American Flag Group


Commodity

Primary: Lead
Primary: Gold
Primary: Silver
Secondary: Copper
Secondary: Manganese
Secondary: Iron


Location

State: Utah
County: Summit
District: Park City 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

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: L


Physiography

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


Mineral Deposit Model

Not available


Orebody

Form: TABULAR TO IRREGULAR


Structure

Type: R
Description: Thrust Belt

Type: L
Description: Park City Anticline


Alterations

Not available


Rocks

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

Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Pennsylvanian

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

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


Analytical Data

Not available


Materials

Ore: Galena
Ore: Tetrahedrite


Comments

Comment (Deposit): THE ORES ARE STAINED BY OCHEROUS MATERIAL; IRON AND MANGANESE STAINS ARE VERY COMMON.

Comment (Workings): LEVELS DEVELOPED OFF SHAFT AT 500, 600, 700, 1000 AND 1100 FT.

Comment (Geology): THESE WORKINGS LIE WITHIN THE GREAT CENTRAL AREA OF WEBER QUARTZITE UNCOVERED ALONG THE AXIS OF THE PARK CITY ANTICLINE AND IN THE HANGING WALL OF THE ONTARIO LODE.

Comment (Location): SECTION SUBDIVISIONS SW 1/4 NW 1/4 NE 1/4

Comment (Commodity): THE ORE IS MADE-UP OF ANGULAR FRAGEMENTS OF QUARTZITE AND MASSIVE AND CRYSTALLINE QUARTZ CEMENTED BY MANGANIFEROUS AND FERRUGINOUS MATTER.

Comment (Production): 250 TONS OF ORE SHIPPED UP TO 1904


References

Reference (Deposit): BOUTWELL, J.M., 1912, GEOLOGY AND ORE DEPOSITS OF PARK CITY DISTRICT, UTAH: USGS PROF. PAPER 77, PP. 1-230.

Reference (Deposit): BROMFIELD, C.S. AND CRITTENDEN, M.D. JR. 1971, GEOLOGIC MAP OF THE PARK CITY EAST QUAD.: U.S.G.S. MAP GQ-852.

Reference (Deposit): 1971 GEOLMAP BROMFIELD AND CRITTENDEN GQ-85

Reference (Production): BOUTWELL, J.M., 1912, GEOL. AND ORE DEPOSITS OF THE PARK CITY DISTRICT: U.S.G.S. PROF. PA.77

Reference (Deposit): SYLVIA, GOELTZ, N., 1970, A DIRECTORY OF THE MINING INDUSTRY OF UTAH; 1967: UTAH GEOL. AND MINERALOG. SURVEY, BULL. 84, P.31.

Reference (Deposit): BULLOCK, KENNETH, C., 1966, MINERALS OF UTAH: UTAH GEOLOG. AND MINERALOG. SURVEY, BULL. 76, P. 35.


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