The Little Valley Prospect is a antimony, gold, and thallium mine located in Tooele county, Utah at an elevation of 6,499 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: 6,499 Feet (1,981 Meters)
Commodity: Antimony, Gold, Thallium
Lat, Long: 40.07639, -112.60194
Map: View on Google Maps
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Little Valley Prospect MRDS details
Site Name
Primary: Little Valley Prospect
Commodity
Primary: Antimony
Primary: Gold
Primary: Thallium
Location
State: Utah
County: Tooele
District: Sheeprock Mountains Area
Land Status
Land ownership: State
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
Not available
Ownership
Owner Name: Steele, Robert And Terry
Owner Name: Steele, Robert And Terry
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Discovery Year: 1987
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Form: TABULAR
Structure
Type: R
Description: Sevier Fold And Thrust Belt
Type: L
Description: North-South Striking Faults That Terminate To The South Against A Prominent Northwest-Striking Fault
Alterations
Alteration Type: L
Alteration Text: Silicification And Minor Bleaching
Rocks
Name: Limestone
Role: Host
Age Type: Host Rock
Age Young: Late Cambrian
Analytical Data
Analytical Data: A SAMPLE CONTAINING PARAPIERROTITE WAS COLLECTED BY THE UGMS AND CONTAINED: 5 PPB AU, OVER 5000 PPB HG, LESS THAN 20 PPM BA, 21 PPM CU, 255 PPM PB, 186 PPM ZN, 8 PPM MO, LESS THAN 0.5 PPM AG, LESS THAN 1 PPM CO, 13 PPM NI, 166 PPM CR, 286 PPM MN, LESS THAN 10 PPM W, LESS THAN 5 PPM SE, LESS THAN 2 PPM BI, 210 PPM AS, OVER 2000 PPM SB, OVER 100 PPM TL
Materials
Ore: Gold
Ore: Parapierrotite
Gangue: Hematite
Gangue: Quartz
Gangue: Limonite
Gangue: Calcite
Comments
Comment (Development): JASPEROID OUTCROPS SEEN FROM TRUCK WHILE ON RECONNAISSANCE, ONE OUTCROP FOUND TO CONTAIN VISIBLE SULFIDE MINERALIZATION, OTHER OUTCROPS CONTAINED ANOMALOUS SB, TL, AND AU GEOCHEMICAL VALUES
Comment (Deposit): DEPOSIT CONSISTS OF SULFIDE-BEARING JASPEROID. JASPEROID FORMED BY REPLACEMENT OF LIMESTONE ADJACENT TO NORTH STRIKING FAULTS AND FRACTURE ZONES. POD-LIKE DISTRIBUTION OF JASPEROID OVER A 1 MILE STRIKE LENGTH.
Comment (Commodity): ANALYSIS SHOWS STRONG ENRICHMENT IN SB, TL, AND HG; TYPICAL OF A POTENTIAL AU- AND AG- BEARING EPITHERMAL SYSTEM
Comment (Location): LOCATION GIVEN IS THE DISCOVERY OUTCROP WHICH CONSISTS OF MINERALIZED JASPEROID ; INFO FROM LAND.ST :(1977)
Comment (Workings): WORKINGS CONSIST OF ONE TINY DIGGING
Comment (Deposit): THE RARE MINERAL PARAPIERROTITE OCCURS AT THIS LOCALITY. IT WAS DISCOVERED BY X-RAY DIFFRACTION ANALYSIS BY STEVE AXON OF THE USBM, SALT LAKE CITY, UTAH. PARAPIERROTITE IS A THALLIUM-ANTIMONY SULFOSALT (TLSB5S8). ; INFO.SRC : 1 PUB LIT; 3 FIELD OBSERV
References
Reference (Deposit): COHENOUR, R.E., 1959, SHEEPROCK MOUNTAINS, TOOELE AND JUAB COUNTIES, UTAH: UGMS BULL. 63, 201P.
Reference (Deposit): MOORE, W.J., AND SORENSEN, M.L., 1979, GEOLOGIC MAP OF THE TOOELE 1X2 QUADRANGLE, UTAH: USGS MISCELLANEOUS INVESTIGATIONS MAP I-1132, SCALE 1:250,000.
Reference (Deposit): EDENHARTER, A., AND PETERS, T., 1979, HYDROTHERMAL SYNTHESIS OF SULFOSALTS CONTAINING TL: Z. KRISTALLOGR., VOL. 150, NO. 1-4, PP. 169-180.
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