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Dean Mine (Cumberland mine), Lewis District, Lander Co., Nevada, USA

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Latitude & Longitude (WGS84): 40° 25' 46'' North , 116° 50' 45'' West
Latitude & Longitude (decimal): 40.42944,-116.84583
GeoHash:G#: 9rhvvpgqw
Locality type:Mine
Köppen climate type:BSk : Cold semi-arid (steppe) climate


Sec 36 T30N R45E. Ref.: Min.Rec.:20(5):390. Located near Mount Lewis, near Battle Mountain.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


24 valid minerals.

Detailed Mineral List:

Aguilarite
Formula: Ag4SeS
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Arsenopyrite
Formula: FeAsS
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Baryte
Formula: BaSO4
Reference: Min.Rec.:20(5):390.
Boulangerite
Formula: Pb5Sb4S11
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Canfieldite
Formula: Ag8SnS6
Reference: Min.Rec.:20(5):390.
Cassiterite
Formula: SnO2
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Clausthalite
Formula: PbSe
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
'Electrum'
Formula: (Au, Ag)
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Freieslebenite ?
Formula: AgPbSbS3
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Gold
Formula: Au
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Hocartite
Formula: Ag2(Fe2+,Zn)SnS4
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Kermesite
Formula: Sb2S2O
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Miargyrite
Formula: AgSbS2
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Owyheeite
Formula: Ag3+xPb10-2xSb11+xS28, -0.13 < x > +0.20
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Polybasite
Formula: [(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Pyrargyrite
Formula: Ag3SbS3
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Pyrite
Formula: FeS2
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Pyrostilpnite
Formula: Ag3SbS3
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Quartz
Formula: SiO2
Reference: Min.Rec.:20(5):390.
Rhodostannite
Formula: Cu2FeSn3S8
Reference: Min.Rec.:20(5):390.
Rhomboclase
Formula: (H5O2)Fe3+(SO4)2 · 2H2O
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Silver
Formula: Ag
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Stephanite
Formula: Ag5SbS4
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Stibnite
Formula: Sb2S3
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Uytenbogaardtite
Formula: Ag3AuS2
Reference: NBMG Spec Pub 31 Minerals of Nevada

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Electrum'1.AA.05(Au, Ag)
'Gold'1.AA.05Au
'Silver'1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
'Aguilarite'2.BA.55Ag4SeS
'Arsenopyrite'2.EB.20FeAsS
'Boulangerite'2.HC.15Pb5Sb4S11
'Canfieldite'2.BA.70Ag8SnS6
'Clausthalite'2.CD.10PbSe
'Freieslebenite' ?2.JB.15AgPbSbS3
'Hocartite'2.CB.15aAg2(Fe2+,Zn)SnS4
'Kermesite'2.FD.05Sb2S2O
'Miargyrite'2.HA.10AgSbS2
'Owyheeite'2.HC.35Ag3+xPb10-2xSb11+xS28, -0.13 < x > +0.20
'Polybasite'2.GB.15[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
'Pyrargyrite'2.GA.05Ag3SbS3
'Pyrite'2.EB.05aFeS2
'Pyrostilpnite'2.GA.10Ag3SbS3
'Rhodostannite'2.DA.10Cu2FeSn3S8
'Stephanite'2.GB.10Ag5SbS4
'Stibnite'2.DB.05Sb2S3
'Uytenbogaardtite'2.BA.75Ag3AuS2
Group 4 - Oxides and Hydroxides
'Cassiterite'4.DB.05SnO2
'Quartz'4.DA.05SiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Baryte'7.AD.35BaSO4
'Rhomboclase'7.CB.55(H5O2)Fe3+(SO4)2 · 2H2O

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
Silver1.1.1.2Ag
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Aguilarite2.4.1.3Ag4SeS
Uytenbogaardtite2.4.3.1Ag3AuS2
AmBnXp, with (m+n):p = 3:2
Canfieldite2.5.6.2Ag8SnS6
AmXp, with m:p = 1:1
Clausthalite2.8.1.2PbSe
AmBnXp, with (m+n):p = 1:1
Hocartite2.9.2.6Ag2(Fe2+,Zn)SnS4
AmBnXp, with (m+n):p = 3:4
Rhodostannite2.10.3.1Cu2FeSn3S8
AmBnXp, with (m+n):p = 2:3
Stibnite2.11.2.1Sb2S3
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Pyrite2.12.1.1FeS2
Oxysulfides
Kermesite2.13.1.1Sb2S2O
Group 3 - SULFOSALTS
ø > 4
Polybasite3.1.7.2[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
ø = 4
Stephanite3.2.4.1Ag5SbS4
ø = 3
Freieslebenite ?3.4.6.2AgPbSbS3
Pyrargyrite3.4.1.2Ag3SbS3
Pyrostilpnite3.4.2.2Ag3SbS3
2.5 < ø < 3
Boulangerite3.5.2.1Pb5Sb4S11
Owyheeite3.5.10.1Ag3+xPb10-2xSb11+xS28, -0.13 < x > +0.20
ø = 2
Miargyrite3.7.3.2AgSbS2
Group 4 - SIMPLE OXIDES
AX2
Cassiterite4.4.1.5SnO2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
Hydrated Acid Sulfates
Rhomboclase29.1.1.1(H5O2)Fe3+(SO4)2 · 2H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
'Electrum'-(Au, Ag)

List of minerals for each chemical element

HHydrogen
H Rhomboclase(H5O2)Fe3+(SO4)2 · 2H2O
OOxygen
O BaryteBaSO4
O CassiteriteSnO2
O KermesiteSb2S2O
O QuartzSiO2
O Rhomboclase(H5O2)Fe3+(SO4)2 · 2H2O
SiSilicon
Si QuartzSiO2
SSulfur
S AguilariteAg4SeS
S ArsenopyriteFeAsS
S BaryteBaSO4
S BoulangeritePb5Sb4S11
S CanfielditeAg8SnS6
S FreieslebeniteAgPbSbS3
S HocartiteAg2(Fe2+,Zn)SnS4
S KermesiteSb2S2O
S MiargyriteAgSbS2
S OwyheeiteAg3+xPb10-2xSb11+xS28, -0.13 < x > +0.20
S Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
S PyrargyriteAg3SbS3
S PyriteFeS2
S PyrostilpniteAg3SbS3
S RhodostanniteCu2FeSn3S8
S Rhomboclase(H5O2)Fe3+(SO4)2 · 2H2O
S StephaniteAg5SbS4
S StibniteSb2S3
S UytenbogaardtiteAg3AuS2
FeIron
Fe ArsenopyriteFeAsS
Fe HocartiteAg2(Fe2+,Zn)SnS4
Fe PyriteFeS2
Fe RhodostanniteCu2FeSn3S8
Fe Rhomboclase(H5O2)Fe3+(SO4)2 · 2H2O
CuCopper
Cu Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Cu RhodostanniteCu2FeSn3S8
AsArsenic
As ArsenopyriteFeAsS
As Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
SeSelenium
Se AguilariteAg4SeS
Se ClausthalitePbSe
AgSilver
Ag AguilariteAg4SeS
Ag CanfielditeAg8SnS6
Ag Electrum(Au, Ag)
Ag FreieslebeniteAgPbSbS3
Ag HocartiteAg2(Fe2+,Zn)SnS4
Ag MiargyriteAgSbS2
Ag OwyheeiteAg3+xPb10-2xSb11+xS28, -0.13 < x > +0.20
Ag Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Ag PyrargyriteAg3SbS3
Ag PyrostilpniteAg3SbS3
Ag RhodostanniteCu2FeSn3S8
Ag SilverAg
Ag StephaniteAg5SbS4
Ag UytenbogaardtiteAg3AuS2
SnTin
Sn CanfielditeAg8SnS6
Sn CassiteriteSnO2
Sn HocartiteAg2(Fe2+,Zn)SnS4
Sn RhodostanniteCu2FeSn3S8
SbAntimony
Sb BoulangeritePb5Sb4S11
Sb FreieslebeniteAgPbSbS3
Sb KermesiteSb2S2O
Sb MiargyriteAgSbS2
Sb OwyheeiteAg3+xPb10-2xSb11+xS28, -0.13 < x > +0.20
Sb Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Sb PyrargyriteAg3SbS3
Sb PyrostilpniteAg3SbS3
Sb StephaniteAg5SbS4
Sb StibniteSb2S3
BaBarium
Ba BaryteBaSO4
AuGold
Au Electrum(Au, Ag)
Au GoldAu
Au UytenbogaardtiteAg3AuS2
PbLead
Pb BoulangeritePb5Sb4S11
Pb ClausthalitePbSe
Pb FreieslebeniteAgPbSbS3
Pb OwyheeiteAg3+xPb10-2xSb11+xS28, -0.13 < x > +0.20

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Quaternary - Miocene
0 - 23.03 Ma



ID: 3185380
Cenozoic sedimentary rocks

Age: Cenozoic (0 - 23.03 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Devonian - Furongian
358.9 - 497 Ma



ID: 2955695
Basin Assemblage - Shale, chert, quartzite, greenstone, and limestone

Age: Paleozoic (358.9 - 497 Ma)

Stratigraphic Name: Valmy Formation; Palmetto Formation; Sonoma Range Formation

Description: Includes the Valmy Formation in Eureka, Humboldt, Lander, and Pershing Counties; Devonian to Upper Cambrian mudstone, shale, chert, siltstone, and gray quartzite in Elko County (Leslie, Isaacson, and others, 1991); Devonian to Ordovician slate, chert, limestone, and sandstone in Mineral County; Devonian to Upper Cambrian rocks in Eureka County (Finney, Perry, and others, 1993); some rocks originally mapped as the Palmetto Formation in Esmeralda County (Albers and Stewart, 1972; Ferguson and Cathcart, 1954); and the Sonoma Range Formation (Ferguson, Muller, and Roberts, 1951) in the Sonoma Range in Humboldt County (later included with the Valmy Formation). The distinctions between these rocks and rocks of the Slope assemblage (DOts) are (1) a more complex and varied history of deformation; (2) less well-defined internal stratigraphic characteristics, which may be a function of structural complexity; (3) fewer shale, siltstone, and sandstone interbeds; (4) less carbonate; and (5) in the Roberts Mountains at least, the Ordovician rocks of this unit are older than the Slope assemblage Ordovician rocks. Like unit DOts, no basement is preserved with these rocks, making it difficult to determine where they were originally laid down, and how far they have been transported. This unit includes Devonian, Silurian, Ordovician, and uppermost Cambrian rocks imbricately faulted and folded together. In a few places, Silurian rocks are defined regionally and broken out separately (Ss), but for the most part they are included in this unit. Likewise, significant exposures of Devonian rocks have been included in unit MDst, but many more are not differentiated from this unit. A great variety of depositional settings are present in ocean basins, and this diversity is represented in these rocks (Watkins and Browne, 1989). While these rocks share a common deformation history indicative of east-directed transport from folding and thrusting along regional structures in different areas of Nevada, these rocks have been subject to additional distinct tectonic events during the Mesozoic and the Paleozoic resulting in significant spatial variability in the structure of these rocks (Evans and Theodore, 1978; Oldow, 1984b).

Comments: Original map source: Crafford, A.E.J., 2007, Geologic Map of Nevada: U.S. Geological Survey Data Series 249, 1 CD-ROM, 46 p., 1 plate; Scale 1:250,000.

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License


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