The Lead Hill Prospect is a silver and lead mine located in Juab county, Utah at an elevation of 5,469 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: 5,469 Feet (1,667 Meters)
Commodity: Silver, Lead
Lat, Long: 39.82139, -112.90694
Map: View on Google Maps
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Lead Hill Prospect MRDS details
Site Name
Primary: Lead Hill Prospect
Commodity
Primary: Silver
Primary: Lead
Secondary: Gold
Tertiary: Zinc
Tertiary: Molybdenum
Location
State: Utah
County: Juab
District: Keg Mountain Area
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: Steele, Robert And Terry
Owner Name: Western Mining Co.
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Discovery Year: 1978
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Great Basin
Physiographic Detail: Keg Mountains
Mineral Deposit Model
Not available
Orebody
Form: TABULAR
Structure
Type: R
Description: Deep Creek-Tintic District Mineral Belt
Type: L
Description: Minor North-South-Striking Fault And Fracture Zones , Truncated By An East-West-Striking Fault.
Alterations
Alteration Type: L
Alteration Text: Silicification
Rocks
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Cambrian
Analytical Data
Analytical Data: A SAMPLE OF GOSSANOUS, SILICIFIED, BRECCIATED LIMESTONE WITH JAROSITE AND SULFIDE PITS CONTAINED 504 PPB AU, 167 PPM SB, 529 PPM AS, 310 PPM BA, 9.4 %FE, 691 PPM MO, 83 PPM AG, 4 PPM W, 2400 PPM ZN, 360 PPM CU, 1.89 % PB, <1 PPM BI. A SAMPLE OF SILICIFIED, JAROSITIC LIMESTONE WITH A TRACE OF GALENA CONTAINED 590 PPB AU, 167 PPM SB, 652 PPM AS, 320 PPM BA, 11.0 % FE, 532 PPM MO, 270 PPM AG, 6 PPM W, 2500 PPM ZN, 340 PPM CU, 0.76 % PB, 1 PPM BI. A SAMPLE OF PYRITIC JASPEROID CONTAINED 10 PPB AU, 17 PPM SB, 31 PPM AS, 320 PPM BA, 240 PPM CR, 1.0 % FE, 79 PPM MO, < 5 PPM AG, <2 PPM W, <200 PPM ZN, 5 PPM CU, 270 PPM PB, <1 PPM BI.
Materials
Ore: Galena
Gangue: Pyrite
Gangue: Quartz
Gangue: Calcite
Comments
Comment (Workings): WORKINGS CONSIST OF THREE DOZER CUTS EXPOSING JASPEROID.
Comment (Deposit): DEPOSIT CONSISTS OF PB- AND AG-BEARING JASPEROID PODS REPLACING LIMESTONE ALONG HIGH-ANGLE FAULTS. INDIVIDUAL PODS RANGE IN SIZE FROM 5 TO 30 FEET IN LENGTH AND 2 TO 10 FEET IN WIDTH. TEXTURES REVEAL SEVERAL PEROIDS OF ALTERATION AND BRECCIATION. LARGEST JASPERIODS OCCUR AT THE INTERSECTIONS BETWEEN SEVERAL MINOR NORTH-SOUTH-STRIKING FAULTS AND A PROMINENT EAST-WEST-STRIKING FAULT. DOMINANT SULFIDES ARE PYRITE AND GALENA. GEOCHEMICAL ANALYSES SHOW A CONSISTENT ENRICHMENT IN AU, ZN, AND MO IN ADDITION TO PB AND AG. PROSPECT LIES NEAR THE MARGIN OF A 36.2 +/- 1.4 M.Y. OLD GRANODIORITE STOCK.
Comment (Commodity): AG AND PB ARE PRESENT IN POTENTIALLY ECONOMIC CONCENTRATIONS. AU, ZN, AND MO ARE GEOCHEMICALLY VERY ANOMALOUS.
Comment (Development): DRILLED BY FREEPORT MINERALS IN 1988
References
Reference (Deposit): SHUBAT, M.A., 1987, GEOLOGY AND MINERAL OCCURRENCES OF NORTHERN KEG MOUNTAIN, JUAB COUNTY, UTAH, IN KOPP, R.S., AND COHENOUR, R.E., EDS., CENOZOIC GEOLOGY OF WESTERN UTAH: UTAH GEOLOGICAL ASSOCIATION PUBLICATION 16, P. 451-462.
Reference (Deposit): MORRIS, H.T., 1978, UNPROSPECTED ZONE OF PYRITIC ALTERATION IN WEST-CENTRAL UTAH: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 78-791.
Reference (Deposit): MORRIS, H.T., 1987, PRELIMINARY GEOLOGIC MAP OF THE DELTA 2 DEGREE QUADRANGLE, TOOELE, JUAB, MILLARD, AND UTAH COUNTIES, UTAH: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 87-185.
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