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American River, Folsom, Folsom Mining District, Sacramento County, California, USAi
Regional Level Types
American RiverRiver
Folsom- not defined -
Folsom Mining DistrictMining District
Sacramento CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
38° North , 121° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
Type:
Mindat Locality ID:
211278
Long-form identifier:
mindat:1:2:211278:0
GUID (UUID V4):
c62f0681-fe7b-40ad-a1f0-210c775623ee


A placer PGE (Pt-Ru-Ir-Os) deposit along the American River from Folsom to Sacramento.

Mineralization occurs in river gravels.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


7 valid minerals.

Detailed Mineral List:

β“˜ Erlichmanite
Formula: OsS2
β“˜ Irarsite
Formula: (Ir,Ru,Rh,Pt)AsS
β“˜ Iridium
Formula: (Ir,Os,Ru)
β“˜ Iridium var. Osmiridium
Formula: (Ir,Os,Ru)
β“˜ Iridium var. Ruthenosmiridium
Formula: (Ir,Os,Ru)
β“˜ 'Iron-Platinum alloy'
Formula: (Pt,Fe)
β“˜ Osmium
Formula: (Os,Ir,Ru)
β“˜ Osmium var. Iridosmine
Formula: (Os,Ir)
β“˜ Platinum
Formula: Pt
β“˜ Rutheniridosmine
Formula: (Ir,Os,Ru)
β“˜ Sperrylite
Formula: PtAs2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
β“˜Rutheniridosmine1.AF.05(Ir,Os,Ru)
β“˜Osmium1.AF.05(Os,Ir,Ru)
β“˜var. Iridosmine1.AF.05(Os,Ir)
β“˜Iridium1.AF.10(Ir,Os,Ru)
β“˜Platinum1.AF.10Pt
β“˜Iridium
var. Ruthenosmiridium
1.AF.10(Ir,Os,Ru)
β“˜var. Osmiridium1.AF.10(Ir,Os,Ru)
Group 2 - Sulphides and Sulfosalts
β“˜Erlichmanite2.EB.05aOsS2
β“˜Sperrylite2.EB.05aPtAs2
β“˜Irarsite2.EB.25(Ir,Ru,Rh,Pt)AsS
Unclassified
β“˜'Iron-Platinum alloy'-(Pt,Fe)

List of minerals for each chemical element

SSulfur
Sβ“˜ ErlichmaniteOsS2
Sβ“˜ Irarsite(Ir,Ru,Rh,Pt)AsS
FeIron
Feβ“˜ Iron-Platinum alloy(Pt,Fe)
AsArsenic
Asβ“˜ Irarsite(Ir,Ru,Rh,Pt)AsS
Asβ“˜ SperrylitePtAs2
RuRuthenium
Ruβ“˜ Irarsite(Ir,Ru,Rh,Pt)AsS
Ruβ“˜ Iridium(Ir,Os,Ru)
Ruβ“˜ Osmium(Os,Ir,Ru)
Ruβ“˜ Rutheniridosmine(Ir,Os,Ru)
Ruβ“˜ Iridium var. Ruthenosmiridium(Ir,Os,Ru)
Ruβ“˜ Iridium var. Osmiridium(Ir,Os,Ru)
RhRhodium
Rhβ“˜ Irarsite(Ir,Ru,Rh,Pt)AsS
OsOsmium
Osβ“˜ ErlichmaniteOsS2
Osβ“˜ Iridium(Ir,Os,Ru)
Osβ“˜ Osmium(Os,Ir,Ru)
Osβ“˜ Rutheniridosmine(Ir,Os,Ru)
Osβ“˜ Iridium var. Ruthenosmiridium(Ir,Os,Ru)
Osβ“˜ Iridium var. Osmiridium(Ir,Os,Ru)
Osβ“˜ Osmium var. Iridosmine(Os,Ir)
IrIridium
Irβ“˜ Irarsite(Ir,Ru,Rh,Pt)AsS
Irβ“˜ Iridium(Ir,Os,Ru)
Irβ“˜ Osmium(Os,Ir,Ru)
Irβ“˜ Rutheniridosmine(Ir,Os,Ru)
Irβ“˜ Iridium var. Ruthenosmiridium(Ir,Os,Ru)
Irβ“˜ Iridium var. Osmiridium(Ir,Os,Ru)
Irβ“˜ Osmium var. Iridosmine(Os,Ir)
PtPlatinum
Ptβ“˜ Iron-Platinum alloy(Pt,Fe)
Ptβ“˜ Irarsite(Ir,Ru,Rh,Pt)AsS
Ptβ“˜ PlatinumPt
Ptβ“˜ SperrylitePtAs2

Other Regions, Features and Areas containing this locality


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