Porphyry Hill Prospect #3

The Porphyry Hill Prospect #3 is a gold mine located in Tooele county, Utah at an elevation of 8,320 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 Hill Prospect #3  

State:  Utah

County:  Tooele

Elevation: 8,320 Feet (2,536 Meters)

Primary Mineral: Gold

Lat, Long: 40.34528, -112.21889

Map: View on Google Maps


Satelite image of the Porphyry Hill Prospect #3

Porphyry Hill Prospect #3 MRDS details

Site Name

Primary: Porphyry Hill Prospect #3


Commodity

Primary: Gold
Secondary: Arsenic
Secondary: Mercury
Secondary: Silver
Secondary: Antimony
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 And Fractures


Alterations

Alteration Type: L
Alteration Text: Dolomitization And Silicification


Rocks

Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Mississippian

Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene

Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene


Analytical Data

Not available


Materials

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


Comments

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

Comment (Deposit): MINERALIZED ZONE IS LOCATED IN ALTERED HOSTROCKS.

Comment (Workings): PITS AND TRENCHES

Comment (Geology): HOSTROCKS ARE FRACTURED AND ALTERED. LIMESTONES ARE DARK GRAY TO BLACK, DOLOMITIZED AND SILICIFIED. VEINS OF JASPEROID AND CALCITE ARE COMMON. SHALES ARE GREENISH GRAY, BUFF TO BLACK, PULVERIZED, SERICITIC, CALCAREOUS, KAOLIMITIC AND CARBONACEOUS.


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 QUADRANGLES: U.S.G.S. PROF. PA.173,167P.

Reference (Deposit): BUTLER,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.