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Northwest Segment Mother Lode, Mother Lode Belt, El Dorado Co., California, USAi
Regional Level Types
Northwest Segment Mother LodeLode
Mother Lode BeltBelt
El Dorado Co.County
CaliforniaState
USACountry

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Key
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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 38° North , 120° West (est.)
Margin of Error:~8km
Locality type:Lode
Köppen climate type:Csa : Hot-summer Mediterranean climate


A segment of the Mother Lode Belt that bifurcates from the main belt at Garden Valley.

Regions containing this locality

North America PlatePlate

Select Mineral List Type

Standard Detailed Strunz Dana 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

11 valid minerals.

Detailed Mineral List:

Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Arsenopyrite
Formula: FeAsS
Calcite
Formula: CaCO3
Chalcopyrite
Formula: CuFeS2
Chromite
Formula: Fe2+Cr3+2O4
Chrysotile
Formula: Mg3(Si2O5)(OH)4
Gold
Formula: Au
Localities: Reported from at least 67 localities in this region.
'Limonite'
Formula: (Fe,O,OH,H2O)
Pyrite
Formula: FeS2
Localities:
Pyrite var: Auriferous Pyrite
Formula: FeS2
Pyrolusite
Formula: Mn4+O2
Quartz
Formula: SiO2
Localities: Reported from at least 60 localities in this region.
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Talc
Formula: Mg3Si4O10(OH)2

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Chalcopyrite2.CB.10aCuFeS2
Pyrite2.EB.05aFeS2
var: Auriferous Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Pyrolusite4.DB.05Mn4+O2
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Calcite5.AB.05CaCO3
Group 9 - Silicates
Chrysotile9.ED.15Mg3(Si2O5)(OH)4
Talc9.EC.05Mg3Si4O10(OH)2
Unclassified Minerals, Rocks, etc.
'Limonite'-(Fe,O,OH,H2O)
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
AX2
Pyrolusite4.4.1.4Mn4+O2
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Ankerite14.2.1.2Ca(Fe2+,Mg)(CO3)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Chrysotile71.1.5.1Mg3(Si2O5)(OH)4
Sheets of 6-membered rings with 2:1 layers
Talc71.2.1.3Mg3Si4O10(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Limonite'-(Fe,O,OH,H2O)
Pyrite
var: Auriferous Pyrite
-FeS2
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

List of minerals for each chemical element

HHydrogen
H ChrysotileMg3(Si2O5)(OH)4
H Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
H Limonite(Fe,O,OH,H2O)
H TalcMg3Si4O10(OH)2
CCarbon
C AnkeriteCa(Fe2+,Mg)(CO3)2
C CalciteCaCO3
OOxygen
O QuartzSiO2
O ChromiteFe2+Cr23+O4
O AnkeriteCa(Fe2+,Mg)(CO3)2
O ChrysotileMg3(Si2O5)(OH)4
O PyrolusiteMn4+O2
O CalciteCaCO3
O Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
O Limonite(Fe,O,OH,H2O)
O TalcMg3Si4O10(OH)2
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg ChrysotileMg3(Si2O5)(OH)4
Mg Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Mg TalcMg3Si4O10(OH)2
AlAluminium
Al Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
SiSilicon
Si QuartzSiO2
Si ChrysotileMg3(Si2O5)(OH)4
Si Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Si TalcMg3Si4O10(OH)2
SSulfur
S ChalcopyriteCuFeS2
S PyriteFeS2
S Pyrite (var: Auriferous Pyrite)FeS2
S ArsenopyriteFeAsS
CaCalcium
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca CalciteCaCO3
CrChromium
Cr ChromiteFe2+Cr23+O4
MnManganese
Mn PyrolusiteMn4+O2
Mn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe ChalcopyriteCuFeS2
Fe ChromiteFe2+Cr23+O4
Fe PyriteFeS2
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Fe Pyrite (var: Auriferous Pyrite)FeS2
Fe ArsenopyriteFeAsS
Fe Limonite(Fe,O,OH,H2O)
NiNickel
Ni Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
CuCopper
Cu ChalcopyriteCuFeS2
ZnZinc
Zn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
AsArsenic
As ArsenopyriteFeAsS
AuGold
Au GoldAu

Localities in this Region
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