The Crescent Mine is a lead and silver mine located in Summit county, Utah at an elevation of 8,950 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: 8,950 Feet (2,728 Meters)
Commodity: Lead, Silver
Lat, Long: 40.625, -111.53500
Map: View on Google Maps
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Crescent Mine MRDS details
Site Name
Primary: Crescent Mine
Secondary: Silver King Coalition Group
Secondary: United Park City Mines
Commodity
Primary: Lead
Primary: Silver
Secondary: Gold
Secondary: Zinc
Secondary: Copper
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: Surface/Underground
Ownership
Owner Name: United Park City Mines Co.
Production
Year: 1891
Time Period: 1882-1891
Description: Cp_Grade: ^.031 Oz/Ton Au, 11.63 Oz/Ton Ag, 16.86% Pb, 0.31% Cu
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1882
Year Last Production: 1893
Discovery Year: 1869
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: TABULAR
Form: TABULAR
Structure
Type: R
Description: Uinta-Cottonwood Arch, Sevier Overthrust Belt, Park City Anticline, Iron Hollow Syncline
Type: L
Description: Northeast Striking Crescent Fissure Zone, Northwest Dipping Bedding
Alterations
Alteration Type: L
Alteration Text: Oxidation
Rocks
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene
Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Oligocene
Analytical Data
Analytical Data: AVERAGE GRADE WAS .043 OZ/TON AU, 7.05 OZ/TON AG, 14.90% PB, 0.07% CU
Materials
Ore: Gold
Ore: Chalcopyrite
Ore: Sphalerite
Ore: Tetrahedrite
Ore: Galena
Gangue: Quartz
Gangue: Calcite
Unknown: Pyrite
Comments
Comment (Production): SOME ADDITIONAL SMALL PRODUCTION IN 1893
Comment (Location): LOCATION GIVEN FOR CARD IS THE PORTAL OF THE AETNA TUNNEL ; INFO FROM LAND.ST :1983
Comment (Development): FIRST CLAIMS IN AREA LOCATED BY RUFUS WALKER AND ARE DISCOERD BY EHRAIM HANKS IN 1869. IN 1870, THE GREEN MOSNTER, PINON, AND BUCKEYE CLAIMS WERE LOCATED ALONG THE CREST OF PIONEER RIDGE. ORE SHIPPED BY THE PINON AND WALKER AND WEBSTER MINES UNTIL 1875. IN 1880, THE REBELLION AND CLIMAX MINES HIT ORE NORTH OF PIONEER RIDGE. IN 1882, THE CLIMAX, REBELLION, PINON WALKER, AND BUCKEYE MINES WERE CONSOLIDATED UNDER THE NAME CRESCENT. CRESCENT MINE ACTIVE UNTIL 1891. IN 1903, ALL PROPERTIES ALONG THE CRESCENT FISSURE UNITED TO FORM THE KEARNS-KEITH MINE. KEARNS-KEITH MINE. KEARNS-KEITH CONSOLIDATED WITH THE SILVER KING COALITION MINES CO. IN 1908 AND WITH UNITED PARK CITY MINES IN 1953
Comment (Deposit): ORE FIRST DISCOVERED ON PROPERTY WAS REPLACEMENT ORE IN THE THAYNES FORMATION AT THE FOOTWALL OF THE CRESCENT FISSURE ZONE. LATER WORKINGS DEVELOPED MAINLY REPLACEMENT. TYPE ORES IN THE THAYNES AND PARK CITY FORMATIONS. REPLACEMENT ORE WITHIN 150 FT OF THE CRESCENT FAULT ZONE. REPLACEMENT ORES HOSTED BY PURE LIMESTONE LENSES BETWEEN SANDSTONES OR IMPURE LIMESTONES, JENNY BED OF THE PARK CITY FORMATION PRODUCED THE MUST ORE. VEIN ORE BODIES LOCATED IN SHOOTS ALONG THE CRESCENT FISSURE ZONE.
Comment (Workings): WORKINGS INCLUDE OLD WORKING OF CLIMAX, REBELLION, PINON, WALKER, AND BUCKEYE MINES LOCATED NEAR THE CREST OF PIONEER RIDGE. MAIN DEVELOPMENT OF CRESCENT MINE WAS DONE FROM THAYNES CANYON VIA THE AETNA AND ANTELOPE TUNNELS, EXTENDING TOWARDS THE SOUTHEAST FOR ABOUT 2000 FT EACH . NUMEROUS LEVELS, STRIKING NORTHEAST DEVELOP THE CRESCENT FISSURE. BESIDES THE AETNA AND ANTELOPE ADITS, ONE ADIT, FIVE SHAFTS AND TWO PROSPECT PITS ARE LOCATED ON THE NORTHWEST SIDE OF PIONEER AND CRESCENT RIDGES
Comment (Geology): CRESCENT FISSURE ZONE STRIKES NORTHEAST, DIPS SOUTHEAST, IS NORMAL, AND HAS A DISPLACEMENT OF ABOUT 1500 FT. CRESCENT ZONE COMPRISED OF FAULTS, FISSURES AND DIKES WITH NUMEROUS SUBSIDIARY HANGING WALL SPLAYS
References
Reference (Deposit): ERIKSON, A.J., (EDITOR), 1968, PARK CITY DISTRICT, UTAH: GUIDEBOOK TO THE GEOLOGY OF UTAH, NO. 22, UTAH GEOLOGICAL SOCIETY.
Reference (Deposit): BUTLER, B.SL, LOUGHLIN, G.F., HEIKES, V.C., AND OTHERS, 1920, THE ORE DEPOSITS OF UTAH: U.S. GEOLOGICAL SURVEY PROF. PAPER, NO. 111, 672 PP.
Reference (Deposit): BARNES, M.P., AND SIMOS, J.S., 1968, ORE DEPOSITS OF THE PARK CITY DISTRICT WITH A CONTRIBUTION ON THE MAYFLOWER LODE, IN ORE DEPOSITS OF THE UNITED STATES: AM. INST. METALL, ENG., V. II, P. 1102
Reference (Deposit): BAKER, A.A., CALKINS. F.D., CRITTENDEN, MD.D., JR., AND BROMFIELD, C., 1966, GEOLOGIC MAP OF THE BRIGHTON QUADRANGLE, UTAH: U.S. GEOLOGICAL SURVEY GEOL. QUAD. MAP GQ-534
Reference (Production): BARNES AND SIMOS, 1968
Reference (Deposit): BOUTWELL, J.M., 1912, GEOLOGY AND ORE DEPOSITS OF THE PARK CITY DISTRICT, UTAH: U.S. GEOLOGICAL SURVEY PROF. PAPER, NO. 77, 231 PP.
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