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Como Mining District, Lyon Co., Nevada, USAi
Regional Level Types
Como Mining DistrictMining District
Lyon Co.County
NevadaState
USACountry

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Key
Latitude & Longitude (WGS84):
39° North , 119° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~81km
Locality type:
Köppen climate type:


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Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

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

21 valid minerals.

Detailed Mineral List:

Acanthite
Formula: Ag2S
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Alunite
Formula: KAl3(SO4)2(OH)6
Reference: Econ Geol (1994) 89:639-646
Calcite
Formula: CaCO3
Reference: NBMG Spec. Pub. 31 Minerals of Nevada; Econ Geol (1994) 89:639-646
Chalcopyrite
Formula: CuFeS2
Reference: Econ Geol (1994) 89:639-646
Chlorargyrite
Formula: AgCl
Reference: NBMG Bull 73 Geology and Mineral Deposits of Lyon, Douglas, and Ormsby Counties, Nevada
'Chlorite Group'
Reference: Econ Geol (1994) 89:639-646
'Copper Stain'
Reference: NBMG Bull 73 Geology and Mineral Deposits of Lyon, Douglas, and Ormsby Counties, Nevada
Diaspore
Formula: AlO(OH)
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Dickite
Formula: Al2(Si2O5)(OH)4
Reference: Econ Geol (1994) 89:639-646
'Electrum'
Formula: (Au, Ag)
Reference: NBMG Spec. Pub. 31 Minerals of Nevada; Econ Geol (1994) 89:639-646
Gold
Formula: Au
Reference: NBMG Bull 73 Geology and Mineral Deposits of Lyon, Douglas, and Ormsby Counties, Nevada
'Halloysite'
Formula: Al2(Si2O5)(OH)4
Reference: Econ Geol (1994) 89:639-646
Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: Econ Geol (1994) 89:639-646
'K Feldspar'
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
'K Feldspar var: Adularia'
Formula: KAlSi3O8
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: Econ Geol (1994) 89:639-646
Marcasite
Formula: FeS2
Reference: Econ Geol (1994) 89:639-646
Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Reference: Econ Geol (1994) 89:639-646
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Econ Geol (1994) 89:639-646
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Econ Geol (1994) 89:639-646
Polybasite
Formula: [(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Proustite
Formula: Ag3AsS3
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Pyrargyrite
Formula: Ag3SbS3
Reference: NBMG Spec. Pub. 31 Minerals of Nevada; Econ Geol (1994) 89:639-646
Pyrite
Formula: FeS2
Reference: Econ Geol (1994) 89:639-646
Pyrophyllite
Formula: Al2Si4O10(OH)2
Reference: Econ Geol (1994) 89:639-646
Quartz
Formula: SiO2
Reference: NBMG Bull 73 Geology and Mineral Deposits of Lyon, Douglas, and Ormsby Counties, Nevada; Econ Geol (1994) 89:639-646
Sphalerite
Formula: ZnS
Stibnite
Formula: Sb2S3
Reference: Econ Geol (1994) 89:639-646
Tetrahedrite
Formula: Cu6Cu4(Fe2+,Zn)2Sb4S12S
Reference: NBMG Bull 73 Geology and Mineral Deposits of Lyon, Douglas, and Ormsby Counties, Nevada; Econ Geol (1994) 89:639-646

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Electrum'1.AA.05(Au, Ag)
Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Acanthite2.BA.35Ag2S
Chalcopyrite2.CB.10aCuFeS2
Marcasite2.EB.10aFeS2
Polybasite2.GB.15[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Proustite2.GA.05Ag3AsS3
Pyrargyrite2.GA.05Ag3SbS3
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Stibnite2.DB.05Sb2S3
Tetrahedrite2.GB.05Cu6Cu4(Fe2+,Zn)2Sb4S12S
Group 3 - Halides
Chlorargyrite3.AA.15AgCl
Group 4 - Oxides and Hydroxides
Diaspore4.FD.10AlO(OH)
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Alunite7.BC.10KAl3(SO4)2(OH)6
Group 9 - Silicates
Dickite9.ED.05Al2(Si2O5)(OH)4
'Halloysite'9.ED.10Al2(Si2O5)(OH)4
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Montmorillonite9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Pyrophyllite9.EC.10Al2Si4O10(OH)2
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Copper Stain'-
'K Feldspar'-
'var: Adularia'-KAlSi3O8
'Limonite'-(Fe,O,OH,H2O)

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 = 2:1
Acanthite2.4.1.1Ag2S
AmXp, with m:p = 1:1
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 2:3
Stibnite2.11.2.1Sb2S3
AmBnXp, with (m+n):p = 1:2
Marcasite2.12.2.1FeS2
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
ø > 4
Polybasite3.1.7.2[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
3 <ø < 4
Tetrahedrite3.3.6.1Cu6Cu4(Fe2+,Zn)2Sb4S12S
ø = 3
Proustite3.4.1.1Ag3AsS3
Pyrargyrite3.4.1.2Ag3SbS3
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Diaspore6.1.1.1AlO(OH)
Group 9 - NORMAL HALIDES
AX
Chlorargyrite9.1.4.1AgCl
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Alunite30.2.4.1KAl3(SO4)2(OH)6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Dickite71.1.1.1Al2(Si2O5)(OH)4
'Halloysite'71.1.1.4Al2(Si2O5)(OH)4
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Pyrophyllite71.2.1.1Al2Si4O10(OH)2
Sheets of 6-membered rings with 2:1 clays
Montmorillonite71.3.1a.2(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Chlorite Group'-
'Copper Stain'-
'Electrum'-(Au, Ag)
'K Feldspar'-
'var: Adularia'-KAlSi3O8
Kaolinite-Al2(Si2O5)(OH)4
'Limonite'-(Fe,O,OH,H2O)
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2

List of minerals for each chemical element

HHydrogen
H DiasporeAlO(OH)
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
H KaoliniteAl2(Si2O5)(OH)4
H DickiteAl2(Si2O5)(OH)4
H HalloysiteAl2(Si2O5)(OH)4
H PyrophylliteAl2Si4O10(OH)2
H Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
H AluniteKAl3(SO4)2(OH)6
H Limonite(Fe,O,OH,H2O)
H MuscoviteKAl2(AlSi3O10)(OH)2
CCarbon
C CalciteCaCO3
OOxygen
O QuartzSiO2
O DiasporeAlO(OH)
O CalciteCaCO3
O K Feldspar (var: Adularia)KAlSi3O8
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O KaoliniteAl2(Si2O5)(OH)4
O DickiteAl2(Si2O5)(OH)4
O HalloysiteAl2(Si2O5)(OH)4
O PyrophylliteAl2Si4O10(OH)2
O Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
O AluniteKAl3(SO4)2(OH)6
O Limonite(Fe,O,OH,H2O)
O MuscoviteKAl2(AlSi3O10)(OH)2
NaSodium
Na Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
MgMagnesium
Mg Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
AlAluminium
Al DiasporeAlO(OH)
Al K Feldspar (var: Adularia)KAlSi3O8
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Al KaoliniteAl2(Si2O5)(OH)4
Al DickiteAl2(Si2O5)(OH)4
Al HalloysiteAl2(Si2O5)(OH)4
Al PyrophylliteAl2Si4O10(OH)2
Al Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Al AluniteKAl3(SO4)2(OH)6
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si QuartzSiO2
Si K Feldspar (var: Adularia)KAlSi3O8
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si KaoliniteAl2(Si2O5)(OH)4
Si DickiteAl2(Si2O5)(OH)4
Si HalloysiteAl2(Si2O5)(OH)4
Si PyrophylliteAl2Si4O10(OH)2
Si Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Si MuscoviteKAl2(AlSi3O10)(OH)2
SSulfur
S TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S12S
S AcanthiteAg2S
S PyrargyriteAg3SbS3
S Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
S ProustiteAg3AsS3
S SphaleriteZnS
S PyriteFeS2
S AluniteKAl3(SO4)2(OH)6
S MarcasiteFeS2
S StibniteSb2S3
S ChalcopyriteCuFeS2
ClChlorine
Cl ChlorargyriteAgCl
KPotassium
K K Feldspar (var: Adularia)KAlSi3O8
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
K AluniteKAl3(SO4)2(OH)6
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca CalciteCaCO3
Ca Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
FeIron
Fe TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S12S
Fe PyriteFeS2
Fe MarcasiteFeS2
Fe ChalcopyriteCuFeS2
Fe Limonite(Fe,O,OH,H2O)
CuCopper
Cu TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S12S
Cu Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Cu ChalcopyriteCuFeS2
ZnZinc
Zn TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S12S
Zn SphaleriteZnS
AsArsenic
As Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
As ProustiteAg3AsS3
AgSilver
Ag ChlorargyriteAgCl
Ag AcanthiteAg2S
Ag Electrum(Au, Ag)
Ag PyrargyriteAg3SbS3
Ag Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Ag ProustiteAg3AsS3
SbAntimony
Sb TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S12S
Sb PyrargyriteAg3SbS3
Sb Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Sb StibniteSb2S3
AuGold
Au GoldAu
Au Electrum(Au, Ag)

References

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Econ Geol (1994) 89:639-646

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