The Union Chief Mine is a lead and silver mine located in Utah county, Utah at an elevation of 7,280 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: 7,280 Feet (2,219 Meters)
Commodity: Lead, Silver
Lat, Long: 39.95528, -111.74222
Map: View on Google Maps
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Union Chief Mine MRDS details
Site Name
Primary: Union Chief Mine
Commodity
Primary: Lead
Primary: Silver
Location
State: Utah
County: Utah
District: Santaquin 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
Deposit Type: Replacement
Operation Type: Unknown
Year First Production: 1916
Discovery Year: 1899
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: BEDDED
Structure
Type: R
Description: Wasatch Fault
Type: L
Description: Fissures (N50e, 50-70se; N30w, 60-80w; N10w, 63w), Fault N60e, 60nw
Alterations
Alteration Type: L
Alteration Text: Some Silicification
Rocks
Name: Limestone
Role: Host
Age Type: Host Rock Unit
Age Young: Late Cambrian
Name: Limestone
Role: Host
Age Type: Host Rock
Age Young: Late Cambrian
Analytical Data
Analytical Data: 1920: 12 PERCENT PB, 2 OZ. PER TON AG
Materials
Ore: Galena
Gangue: Barite
Gangue: Calcite
Comments
Comment (Location): INFO FROM LAND.ST :(1975)
Comment (Production): ALL PRODUCTION CAME FROM UPPER ADIT AREA
Comment (Workings): UPPER AND LOWER ADITS, LOWER ADIT IS MAIN WORKING, NOW COLLAPSED AT THE PORTAL BUT ORIGINALLY HAD NEARLY 2000 FT. OF DRIFTS, RAISES, WINZES AND STOPES. THE UPPER ADIT IS ABOUT 300 FT ABOVE THE LOWER ONE AND WAS ABOUT 1000 FT LONG IN 1910. THE TWO ARE CONNECTED BY A RAISE.
Comment (Deposit): LOCATION OF UPPER TUNNEL IS UNCERTAIN BUT IS 150 TO 300 FT ABOVE THE LOWER (MAIN) WORKING ; INFO.SRC : 1 PUB LIT; 3 FIELD OBSERV
References
Reference (Deposit): BULLOCK, K.C., 1962, ECONOMIC GEOLOGY OF NORTH-CENTRRAL UTAH: BRIGHAM YOUNG UNIVERSITY GEOLOGY STUDIES, VOL. 9, PT. 1.
Reference (Deposit): HALE, F.A. JR., PACKARD, M.O., JR., AND M. MANSFIELD, 1910, GEOL. AND ORE DEPOSITS OF THE SANTAQUIN MINING DISTRICT: B.S. THESIS UNIVERSITY OF UTAH.
Reference (Production): U.S.G.S. MIN. RES. 1916, 1917, 1925-1927
Reference (Deposit): HEYL, A.V., 1963, OXIDIZED ZINC DEPOSITS OF UTAH: USGS BULL. 1135-B.
Reference (Deposit): TRIPP, B.T., 1981, ON SITE INVESTIGATION: UTAH GEOL. AND MIN. SURV.
Reference (Deposit): BUTLER, B.S., ET. AL., 1920, ORE DEPOSITS OF UTAH: USGS PROF. PA. 111.
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