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West Belt, Mariposa County, California, USAi
Regional Level Types
West Belt- not defined -
Mariposa CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
37° 25' North , 120° 15' West
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Catheys Valley825 (2011)13.5km
Planada4,584 (2011)15.2km
Tuttle103 (2011)17.6km
Bear Creek290 (2011)19.9km
Snelling231 (2011)20.1km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Mariposa Gem & Mineral ClubMariposa, California26km
Mindat Locality ID:
82219
Long-form identifier:
mindat:1:2:82219:5
GUID (UUID V4):
0


Commodities (Major) - Gold
Development Status: Producer

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

47 valid minerals.

Rock Types Recorded


Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Acanthite
Formula: Ag2S
Alunite
Formula: KAl3(SO4)2(OH)6
Description: Occurs as a constituent of quartzite.
Andalusite
Formula: Al2(SiO4)O
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Arsenopyrite
Formula: FeAsS
Azurite
Formula: Cu3(CO3)2(OH)2
Baryte
Formula: BaSO4
Bementite
Formula: Mn7Si6O15(OH)8
Bornite
Formula: Cu5FeS4
Calcite
Formula: CaCO3
Calcite var. Manganese-bearing Calcite
Formula: (Ca,Mn)CO3
Description: 20% to 30% Mn.
Chalcocite
Formula: Cu2S
Chalcopyrite
Formula: CuFeS2
Localities: Reported from at least 16 localities in this region.
'Chlorite Group'
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cinnabar
Formula: HgS
'Clay minerals'
Colour: White
Cooperite
Formula: PtS
Covellite
Formula: CuS
Cuprite
Formula: Cu2O
Galena
Formula: PbS
Localities: Reported from at least 10 localities in this region.
Goethite
Formula: Fe3+O(OH)
Description: Occurs as inclusions in quartz.
Hausmannite
Formula: Mn2+Mn3+2O4
Hematite
Formula: Fe2O3
Isoferroplatinum
Formula: Pt3Fe
Kaolinite
Formula: Al2(Si2O5)(OH)4
'Limonite'
Malachite
Formula: Cu2(CO3)(OH)2
Marcasite
Formula: FeS2
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
Native Gold
Formula: Au
Localities: Reported from at least 72 localities in this region.
Native Iridium
Formula: (Ir,Os,Ru)
Native Osmium
Formula: (Os,Ir,Ru)
Native Platinum
Formula: Pt
Native Ruthenium
Formula: (Ru,Ir)
Native Silver ?
Formula: Ag
Description: (Probably refers to the silver content in the native gold, not to the presence of the discrete species "native silver".)
Native Sulphur
Formula: S8
Description: Loose microcrystals filling cast left by decomposed pyrite crystal in a gold-bearing quartz vein.
Piemontite
Formula: (CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
Description: Occurs as grains in ore.
Proustite
Formula: Ag3AsS3
'Psilomelane'
Pyrargyrite
Formula: Ag3SbS3
Pyrite
Formula: FeS2
Localities: Reported from at least 26 localities in this region.
Description: Abundant.
Pyrolusite
Formula: Mn4+O2
Description: Occurs as small masses.
Pyrophyllite
Formula: Al2Si4O10(OH)2
Colour: Golden-yellow
Description: Radiating tufts.
Quartz
Formula: SiO2
Localities: Reported from at least 54 localities in this region.
Quartz var. Milky Quartz
Formula: SiO2
Rhodonite
Formula: CaMn3Mn[Si5O15]
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
Sphalerite
Formula: ZnS
Localities: Reported from at least 6 localities in this region.
Description: Occurs as a substantial deposit.
Talc
Formula: Mg3Si4O10(OH)2
Tenorite
Formula: CuO
Description: Termed "black oxide."
Tephroite
Formula: Mn2+2(SiO4)
Description: Occurs as micro-crystals of plumose material.
Tetraferroplatinum
Formula: PtFe
'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S
Todorokite
Formula: (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
References:
Petrov, Alfredo (n.d.) Personal Communication.PXRD by John Attard, XRF by Alfredo Petrov May 2014

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Native Gold1.AA.05Au
Native Silver ?1.AA.05Ag
Native Osmium1.AF.05(Os,Ir,Ru)
Native Ruthenium1.AF.05(Ru,Ir)
Native Iridium1.AF.10(Ir,Os,Ru)
Native Platinum1.AF.10Pt
Isoferroplatinum1.AG.35Pt3Fe
Tetraferroplatinum1.AG.40PtFe
Native Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
Chalcocite2.BA.05Cu2S
Bornite2.BA.15Cu5FeS4
Acanthite2.BA.35Ag2S
Covellite2.CA.05aCuS
Sphalerite2.CB.05aZnS
Chalcopyrite2.CB.10aCuFeS2
Cooperite2.CC.35bPtS
Galena2.CD.10PbS
Cinnabar2.CD.15aHgS
Pyrite2.EB.05aFeS2
Marcasite2.EB.10aFeS2
Arsenopyrite2.EB.20FeAsS
Proustite2.GA.05Ag3AsS3
Pyrargyrite2.GA.05Ag3SbS3
'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
Group 4 - Oxides and Hydroxides
Goethite4.00.Fe3+O(OH)
Cuprite4.AA.10Cu2O
Tenorite4.AB.10CuO
Hausmannite4.BB.10Mn2+Mn3+2O4
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
var. Milky Quartz4.DA.05SiO2
Pyrolusite4.DB.05Mn4+O2
Todorokite4.DK.10(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
var. Manganese-bearing Calcite5.AB.05(Ca,Mn)CO3
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Azurite5.BA.05Cu3(CO3)2(OH)2
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Alunite7.BC.10KAl3(SO4)2(OH)6
Group 9 - Silicates
Tephroite9.AC.05Mn2+2(SiO4)
Andalusite9.AF.10Al2(SiO4)O
Piemontite9.BG.05a(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
Rhodonite9.DK.05CaMn3Mn[Si5O15]
Talc9.EC.05Mg3Si4O10(OH)2
Pyrophyllite9.EC.10Al2Si4O10(OH)2
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Bementite9.EE.05Mn7Si6O15(OH)8
Unclassified
'Chlorite Group'-
'Clay minerals'-
'Limonite'-
'Psilomelane'-
'Serpentine Subgroup'-D3[Si2O5](OH)4

List of minerals for each chemical element

HHydrogen
H AluniteKAl3(SO4)2(OH)6
H AzuriteCu3(CO3)2(OH)2
H BementiteMn7Si6O15(OH)8
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
H GoethiteFe3+O(OH)
H KaoliniteAl2(Si2O5)(OH)4
H MalachiteCu2(CO3)(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H Piemontite(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
H PyrophylliteAl2Si4O10(OH)2
H TalcMg3Si4O10(OH)2
H Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
H Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
H Serpentine SubgroupD3[Si2O5](OH)4
CCarbon
C AnkeriteCa(Fe2+,Mg)(CO3)2
C AzuriteCu3(CO3)2(OH)2
C CalciteCaCO3
C Calcite var. Manganese-bearing Calcite(Ca,Mn)CO3
C MalachiteCu2(CO3)(OH)2
OOxygen
O AluniteKAl3(SO4)2(OH)6
O AndalusiteAl2(SiO4)O
O AnkeriteCa(Fe2+,Mg)(CO3)2
O AzuriteCu3(CO3)2(OH)2
O BaryteBaSO4
O BementiteMn7Si6O15(OH)8
O CalciteCaCO3
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
O CupriteCu2O
O GoethiteFe3+O(OH)
O HausmanniteMn2+Mn23+O4
O HematiteFe2O3
O KaoliniteAl2(Si2O5)(OH)4
O Calcite var. Manganese-bearing Calcite(Ca,Mn)CO3
O MalachiteCu2(CO3)(OH)2
O MuscoviteKAl2(AlSi3O10)(OH)2
O Piemontite(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
O PyrolusiteMn4+O2
O PyrophylliteAl2Si4O10(OH)2
O QuartzSiO2
O RhodoniteCaMn3Mn[Si5O15]
O TalcMg3Si4O10(OH)2
O TenoriteCuO
O TephroiteMn22+(SiO4)
O Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
O Quartz var. Milky QuartzSiO2
O Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
O Serpentine SubgroupD3[Si2O5](OH)4
NaSodium
Na Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg TalcMg3Si4O10(OH)2
Mg Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
AlAluminium
Al AluniteKAl3(SO4)2(OH)6
Al AndalusiteAl2(SiO4)O
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Al KaoliniteAl2(Si2O5)(OH)4
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Piemontite(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
Al PyrophylliteAl2Si4O10(OH)2
Al Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Al Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Si AndalusiteAl2(SiO4)O
Si BementiteMn7Si6O15(OH)8
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Si KaoliniteAl2(Si2O5)(OH)4
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Piemontite(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
Si PyrophylliteAl2Si4O10(OH)2
Si QuartzSiO2
Si RhodoniteCaMn3Mn[Si5O15]
Si TalcMg3Si4O10(OH)2
Si TephroiteMn22+(SiO4)
Si Quartz var. Milky QuartzSiO2
Si Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Si Serpentine SubgroupD3[Si2O5](OH)4
SSulfur
S AcanthiteAg2S
S AluniteKAl3(SO4)2(OH)6
S ArsenopyriteFeAsS
S BaryteBaSO4
S BorniteCu5FeS4
S ChalcopyriteCuFeS2
S ChalcociteCu2S
S CinnabarHgS
S CooperitePtS
S CovelliteCuS
S GalenaPbS
S MarcasiteFeS2
S ProustiteAg3AsS3
S PyrargyriteAg3SbS3
S PyriteFeS2
S SphaleriteZnS
S Native SulphurS8
S Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
KPotassium
K AluniteKAl3(SO4)2(OH)6
K MuscoviteKAl2(AlSi3O10)(OH)2
K Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
K Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca CalciteCaCO3
Ca Calcite var. Manganese-bearing Calcite(Ca,Mn)CO3
Ca Piemontite(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
Ca RhodoniteCaMn3Mn[Si5O15]
Ca Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
MnManganese
Mn BementiteMn7Si6O15(OH)8
Mn HausmanniteMn2+Mn23+O4
Mn Calcite var. Manganese-bearing Calcite(Ca,Mn)CO3
Mn Piemontite(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
Mn PyrolusiteMn4+O2
Mn RhodoniteCaMn3Mn[Si5O15]
Mn TephroiteMn22+(SiO4)
Mn Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
FeIron
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe ArsenopyriteFeAsS
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe GoethiteFe3+O(OH)
Fe HematiteFe2O3
Fe IsoferroplatinumPt3Fe
Fe MarcasiteFeS2
Fe PyriteFeS2
Fe TetraferroplatinumPtFe
CuCopper
Cu AzuriteCu3(CO3)2(OH)2
Cu BorniteCu5FeS4
Cu ChalcopyriteCuFeS2
Cu ChalcociteCu2S
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cu CovelliteCuS
Cu CupriteCu2O
Cu MalachiteCu2(CO3)(OH)2
Cu TenoriteCuO
Cu Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
Zn SphaleriteZnS
AsArsenic
As ArsenopyriteFeAsS
As ProustiteAg3AsS3
SrStrontium
Sr Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
RuRuthenium
Ru Native Iridium(Ir,Os,Ru)
Ru Native Osmium(Os,Ir,Ru)
Ru Native Ruthenium(Ru,Ir)
AgSilver
Ag AcanthiteAg2S
Ag ProustiteAg3AsS3
Ag PyrargyriteAg3SbS3
Ag Native SilverAg
SbAntimony
Sb PyrargyriteAg3SbS3
Sb Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
BaBarium
Ba BaryteBaSO4
Ba Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
OsOsmium
Os Native Iridium(Ir,Os,Ru)
Os Native Osmium(Os,Ir,Ru)
IrIridium
Ir Native Iridium(Ir,Os,Ru)
Ir Native Osmium(Os,Ir,Ru)
Ir Native Ruthenium(Ru,Ir)
PtPlatinum
Pt CooperitePtS
Pt IsoferroplatinumPt3Fe
Pt Native PlatinumPt
Pt TetraferroplatinumPtFe
AuGold
Au Native GoldAu
HgMercury
Hg CinnabarHgS
PbLead
Pb GalenaPbS

Localities in this Region

Other Regions, Features and Areas containing this locality


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