Porphyry Hill Mine #1

The Porphyry Hill Mine #1 is a gold mine located in Tooele county, Utah at an elevation of 8,281 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 Mine #1  

State:  Utah

County:  Tooele

Elevation: 8,281 Feet (2,524 Meters)

Primary Mineral: Gold

Lat, Long: 40.34472, -112.22444

Map: View on Google Maps


Satelite image of the Porphyry Hill Mine #1

Porphyry Hill Mine #1 MRDS details

Site Name

Primary: Porphyry Hill Mine #1


Commodity

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


Location

State: Utah
County: Tooele
District: Mercur District


Land Status

Land ownership: Private


Holdings

Not available


Workings

Type: Surface


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
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

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: Associated Rock
Age Young: Pliocene

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

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


Analytical Data

Not available


Materials

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


Comments

Comment (Deposit): MINERALIZED ZONE IS LOCALIZED IN ALTERED WALLROCKS. THE ORE IS SOFT AND PULVERIZED, LIGHT YELLOWISH OR GREYISH IN COLOR. GOLD IS NOT VISIBLE IN THE ORES AND IS CONCENTRATED ONLY IN THE CARBON-RICH PORTIONS OF ALTERED ZONES

Comment (Workings): PITS AND TRENCHES

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

Comment (Production): PRODUCTION FIGURES ARE NOT AVAILABLE

Comment (Geology): HOSTROCKS ARE DEFORMED AND ALTERED. SHALES ARE GREENISH GRAY, PULVERIZED, SERICITIC, CARBONACEOUS, CALEAREOUS, SILICEOUS AND KAOLIMITIC. LIMESTONES ARE DOLOMITIZED AND SILICIFIED.


References

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

Reference (Production): MOHAMMAD, H., 1981, ON SITE INVESTIGATION: U.G.M.S.

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. A.,1920, THE ORE DEPOSITS OF UTAH: U.S.G.S. PROF. PA. 111, 672P.