Porphyry Knob Prospect #1

The Porphyry Knob Prospect #1 is a gold mine located in Tooele county, Utah at an elevation of 7,959 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

Name: Porphyry Knob Prospect #1  

State:  Utah

County:  Tooele

Elevation: 7,959 Feet (2,426 Meters)

Primary Mineral: Gold

Lat, Long: 40.33528, -112.22778

Map: View on Google Maps


Satelite image of the Porphyry Knob Prospect #1

Porphyry Knob Prospect #1 MRDS details

Site Name

Primary: Porphyry Knob Prospect #1


Commodity

Primary: Gold
Secondary: Arsenic
Secondary: Silver
Secondary: Antimony
Secondary: Mercury
Tertiary: Iron


Location

State: Utah
County: Tooele
District: Mercur District


Land Status

Land ownership: Private


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Deposit Type: Replacement
Operation Type: Unknown
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: Uinta Extension


Mineral Deposit Model

Not available


Orebody

Form: IRREGULAR


Structure

Type: R
Description: Basin And Range

Type: L
Description: Fissures, Fractures, Folds


Alterations

Alteration Type: L
Alteration Text: Dolomitization, Sericitization And Silicification


Rocks

Name: Limestone
Role: Host
Age Type: Host Rock
Age Young: Mississippian


Analytical Data

Not available


Materials

Ore: Realgar
Ore: Orpiment
Ore: Stibnite
Ore: Cinnabar
Ore: Pyrite
Gangue: Calcite
Gangue: Sericite
Gangue: Quartz
Gangue: Chlorite


Comments

Comment (Workings): PITS AND TRENCHES

Comment (Location): INFO FROM LAND.ST :(1977)

Comment (Deposit): MINERALIZED ZONE IS LOCALIZED IN ALTERED WALLROCKS.

Comment (Geology): WALLROCKS ARE HIGHLY DEFORMED AND ALTERED. LIMESTONES ARE DARK GRAY TO BLACK, DOLOMITIZED, AND SILICIFIED. SHALES ARE GREENISH GRAY TO BLACK, PULVERIZED, SERICITIC, CALCAREOUS, CARBONACEOUS AND KAOLIMITIC. LIMONITIC STAINS ARE COMMON ON HOSTROCKS.


References

Reference (Deposit): BISSELL,H.J.,ET. AL.,1959, GUIDEBOOK TO THE GEOLOGY OF UTAH, NO.14, UT. GEOL. SOC.: U.G.M.S. BULL.14,262P.

Reference (Deposit): GILLULY,J.,1932,GEOLOGY AND ORE DEPOSITS OF THE STOCKTON AND FAIRFIELD QUADRANGELS: U.S.G.S. PROF. PA.173,167P.

Reference (Deposit): BUTTLER,B.S.,ET. AL.,1920, THE ORE DEPOSITS OF UTAH: U.S.G.S. PROF. PA. 111, 672P.

Reference (Deposit): SPURR, J.E., 1895, ECONOMIC GEOLOGY OF THE MERCUR MINING DISTRICT,UTAH: U.S.G.S. 16TH. ANN. REPT.,PT.2, 454P.