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
Elevation: 8,281 Feet (2,524 Meters)
Commodity: Gold
Lat, Long: 40.34472, -112.22444
Map: View on Google Maps
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
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
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
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.
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