The Eclipse Shaft and Hirshman Group is a silver, lead, and copper mine located in Salt Lake county, Utah at an elevation of 9,629 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
Elevation: 9,629 Feet (2,935 Meters)
Commodity: Silver, Lead, Copper
Lat, Long: 40.6025, -111.63750
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.
Eclipse Shaft and Hirshman Group MRDS details
Site Name
Primary: Eclipse Shaft and Hirshman Group
Commodity
Primary: Silver
Primary: Lead
Primary: Copper
Location
State: Utah
County: Salt Lake
District: Big Cottonwood 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: Occurrence
Deposit Type: Replacement
Operation Type: Unknown
Discovery Year: 1880
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
Form: UNKNOWN
Structure
Type: R
Description: On North Limb Of Uinta Arch, East Of Wasatch Fault
Type: L
Description: Alta Thrust Zone And Superior Faults
Alterations
Not available
Rocks
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Mississippian
Analytical Data
Not available
Materials
Ore: Anglesite
Ore: Copper
Ore: Galena
Gangue: Goethite
Comments
Comment (Deposit): THE ORE BODIES ARE AN EXTENSION OF THE FLAGSTAFF-EMMA ZONE AND CONSIST OF REPLACEMENT OF FAVORABLE BEDS OF THE GARDISON AND FITCHVILLE AT THE INTERSECTION WITH MINERALIZED FISSURES.
Comment (Location): THIS IS A NORTH EXTENSION OF THE FLAGSTAFF MINE ; INFO FROM LAND.ST :1973
Comment (Workings): MAIN ACCESS IS THROUGH SHAFT WITH AT LEAST 4 LEVELS DRIVEN SE, TOTAL WORKINGS PROBABLY LESS THAN 3000 FT.
References
Reference (Deposit): CRITTENDEN, M.D. JR., 1965, GEOL. OF THE DROMEDARY PEAK QUAD., UTAH: USGS MAP GQ-378
Reference (Deposit): JAMES, L.P., 1979, GEOLOGY, ORE DEPOSITS AND HISTORY OF THE BIG COTTONWOOD MINING DISTRICT, UTAH: UGMS BULLETIN 114 PG. 74-75
Reference (Deposit): CALKINS, F.C. AND BUTLER, B.S., 1943, GEOL. AND ORE DEPOSITS OF THE COTTONWOOD-AMERICAN FORK AREA, UTAH: USGS PROF. PA. 201, P. 121, PLATE 41.
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