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Emma Mine (Emma tunnel; Alta United Mines Company), Little Cottonwood District (Alta District), Wasatch Mts, Salt Lake Co., Utah, USAi
Regional Level Types
Emma Mine (Emma tunnel; Alta United Mines Company)Mine
Little Cottonwood District (Alta District)Mining District
Wasatch MtsMountain Range
Salt Lake Co.County
UtahState
USACountry

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Latitude & Longitude (WGS84): 40° 35' 33'' North , 111° 37' 52'' West
Latitude & Longitude (decimal): 40.59250,-111.63111
GeoHash:G#: 9x0wgv8sq
Locality type:Mine
Köppen climate type:Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Alta390 (2017)0.7km
Snowbird383 (2013)2.4km
Park City8,128 (2017)12.7km
Snyderville5,612 (2011)13.5km
Granite1,932 (2011)14.9km


Ref.: Dana 6:548,1092; Dana 7:I:332,596.
Replacement deposit in limestone

Regions containing this locality

North America PlateTectonic Plate
Rocky Mountains, North AmericaMountain Range

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


21 valid minerals. 1 (TL) - type locality of valid minerals.

Detailed Mineral List:

Acanthite
Formula: Ag2S
Reference: Dana 7:I:332.
Anglesite
Formula: PbSO4
Reference: UGMS Bull 117 Minerals and Mineral Localities of Utah
Azurite
Formula: Cu3(CO3)2(OH)2
Reference: UGMS Bull 117 Minerals and Mineral Localities of Utah
Cerussite
Formula: PbCO3
Reference: Dana 7:I:596; Dana 6:548,1092.
Cervantite
Formula: Sb3+Sb5+O4
Reference: Dana 7:I:596; Dana 6:548,1092.
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Reference: UGMS Bull 117 Minerals and Mineral Localities of Utah
Galena
Formula: PbS
Reference: Dana 7:I:332.; Calkins, F. C.; Butler, B. S.; Heikes, V. C. (1943) Geology and ore deposits of the Cottonwood-American Fork area, Utah, with sections on history and production. USGS Professional Paper: 201
Hemimorphite
Formula: Zn4Si2O7(OH)2 · H2O
Reference: Dana 7:I:596; Dana 6:548,1092.
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: UGMS Bull 117 Minerals and Mineral Localities of Utah; Calkins, F. C.; Butler, B. S.; Heikes, V. C. (1943) Geology and ore deposits of the Cottonwood-American Fork area, Utah, with sections on history and production. USGS Professional Paper: 201
Malachite
Formula: Cu2(CO3)(OH)2
Reference: UGMS Bull 117 Minerals and Mineral Localities of Utah
Massicot
Formula: PbO
Reference: UGMS Bull 117 Minerals and Mineral Localities of Utah
Pyrite
Formula: FeS2
Reference: Dana 7:I:332.; Calkins, F. C.; Butler, B. S.; Heikes, V. C. (1943) Geology and ore deposits of the Cottonwood-American Fork area, Utah, with sections on history and production. USGS Professional Paper: 201
Pyrolusite
Formula: Mn4+O2
Reference: UGMS Bull 117 Minerals and Mineral Localities of Utah
Quartz
Formula: SiO2
Reference: Dana 7:I:332.; Calkins, F. C.; Butler, B. S.; Heikes, V. C. (1943) Geology and ore deposits of the Cottonwood-American Fork area, Utah, with sections on history and production. USGS Professional Paper: 201
Siderite
Formula: FeCO3
Reference: UGMS Bull 117 Minerals and Mineral Localities of Utah; Calkins, F. C.; Butler, B. S.; Heikes, V. C. (1943) Geology and ore deposits of the Cottonwood-American Fork area, Utah, with sections on history and production. USGS Professional Paper: 201
Smithsonite
Formula: ZnCO3
Reference: UGMS Bull 117 Minerals and Mineral Localities of Utah
Sphalerite
Formula: ZnS
Reference: Dana 7:I:332.; Calkins, F. C.; Butler, B. S.; Heikes, V. C. (1943) Geology and ore deposits of the Cottonwood-American Fork area, Utah, with sections on history and production. USGS Professional Paper: 201
Stephanite
Formula: Ag5SbS4
Reference: UGMS Bull 117 Minerals and Mineral Localities of Utah
Stolzite
Formula: Pb(WO4)
Reference: UGMS Bull 117 Minerals and Mineral Localities of Utah; Calkins, F. C.; Butler, B. S.; Heikes, V. C. (1943) Geology and ore deposits of the Cottonwood-American Fork area, Utah, with sections on history and production. USGS Professional Paper: 201
Tetrahedrite
Formula: Cu6[Cu4(Fe,Zn)2]Sb4S13
Reference: Dana 7:I:332.; Calkins, F. C.; Butler, B. S.; Heikes, V. C. (1943) Geology and ore deposits of the Cottonwood-American Fork area, Utah, with sections on history and production. USGS Professional Paper: 201
Tungstenite (TL)
Formula: WS2
Type Locality:
Description: A mixture of Tungstenite-2h and 3R.
Reference: J.Wash.Acad.Sci.(1917) 7, 596-602; Am. Min. 3 (1918), 30; Dana 7:I:332.; Calkins, F. C.; Butler, B. S.; Heikes, V. C. (1943) Geology and ore deposits of the Cottonwood-American Fork area, Utah, with sections on history and production. USGS Professional Paper: 201
'Wad'
Reference: Calkins, F. C.; Butler, B. S.; Heikes, V. C. (1943) Geology and ore deposits of the Cottonwood-American Fork area, Utah, with sections on history and production. USGS Professional Paper: 201
'Wolframite'
Formula: (Fe2+)WO4 to (Mn2+)WO4
Reference: Dana 7:I:332.
Wulfenite
Formula: Pb(MoO4)
Reference: Dana 7:I:596; Dana 6:548,1092.; Calkins, F. C.; Butler, B. S.; Heikes, V. C. (1943) Geology and ore deposits of the Cottonwood-American Fork area, Utah, with sections on history and production. USGS Professional Paper: 201

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Acanthite2.BA.35Ag2S
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Stephanite2.GB.10Ag5SbS4
Tetrahedrite2.GB.05Cu6[Cu4(Fe,Zn)2]Sb4S13
Tungstenite (TL)2.EA.30WS2
Group 4 - Oxides and Hydroxides
Cervantite4.DE.30Sb3+Sb5+O4
Massicot4.AC.25PbO
Pyrolusite4.DB.05Mn4+O2
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Azurite5.BA.05Cu3(CO3)2(OH)2
Cerussite5.AB.15PbCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Siderite5.AB.05FeCO3
Smithsonite5.AB.05ZnCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anglesite7.AD.35PbSO4
Stolzite7.GA.05Pb(WO4)
Wulfenite7.GA.05Pb(MoO4)
Group 9 - Silicates
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Hemimorphite9.BD.10Zn4Si2O7(OH)2 · H2O
Unclassified Minerals, Rocks, etc.
'Limonite'-(Fe,O,OH,H2O)
'Wad'-
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Acanthite2.4.1.1Ag2S
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Tungstenite (TL)2.12.10.3WS2
Group 3 - SULFOSALTS
ø = 4
Stephanite3.2.4.1Ag5SbS4
3 <ø < 4
Tetrahedrite3.3.6.1Cu6[Cu4(Fe,Zn)2]Sb4S13
Group 4 - SIMPLE OXIDES
AX
Massicot4.2.7.1PbO
AX2
Cervantite4.4.16.1Sb3+Sb5+O4
Pyrolusite4.4.1.4Mn4+O2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Cerussite14.1.3.4PbCO3
Siderite14.1.1.3FeCO3
Smithsonite14.1.1.6ZnCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anglesite28.3.1.3PbSO4
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Stolzite48.1.3.2Pb(WO4)
Wulfenite48.1.3.1Pb(MoO4)
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] coordination
Hemimorphite56.1.2.1Zn4Si2O7(OH)2 · H2O
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Chrysocolla74.3.2.1Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
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)
'Wad'-
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals for each chemical element

HHydrogen
H HemimorphiteZn4Si2O7(OH)2 · H2O
H AzuriteCu3(CO3)2(OH)2
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
H Limonite(Fe,O,OH,H2O)
H MalachiteCu2(CO3)(OH)2
CCarbon
C CerussitePbCO3
C AzuriteCu3(CO3)2(OH)2
C MalachiteCu2(CO3)(OH)2
C SideriteFeCO3
C SmithsoniteZnCO3
OOxygen
O Wolframite(Fe2+)WO4 to (Mn2+)WO4
O QuartzSiO2
O CervantiteSb3+Sb5+O4
O CerussitePbCO3
O WulfenitePb(MoO4)
O HemimorphiteZn4Si2O7(OH)2 · H2O
O AnglesitePbSO4
O AzuriteCu3(CO3)2(OH)2
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
O Limonite(Fe,O,OH,H2O)
O MalachiteCu2(CO3)(OH)2
O MassicotPbO
O PyrolusiteMn4+O2
O SideriteFeCO3
O SmithsoniteZnCO3
O StolzitePb(WO4)
AlAluminium
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
SiSilicon
Si QuartzSiO2
Si HemimorphiteZn4Si2O7(OH)2 · H2O
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
SSulfur
S TungsteniteWS2
S PyriteFeS2
S SphaleriteZnS
S GalenaPbS
S TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
S AcanthiteAg2S
S AnglesitePbSO4
S StephaniteAg5SbS4
MnManganese
Mn Wolframite(Fe2+)WO4 to (Mn2+)WO4
Mn PyrolusiteMn4+O2
FeIron
Fe PyriteFeS2
Fe TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Fe Wolframite(Fe2+)WO4 to (Mn2+)WO4
Fe Limonite(Fe,O,OH,H2O)
Fe SideriteFeCO3
CuCopper
Cu TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Cu AzuriteCu3(CO3)2(OH)2
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Cu MalachiteCu2(CO3)(OH)2
ZnZinc
Zn SphaleriteZnS
Zn TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Zn HemimorphiteZn4Si2O7(OH)2 · H2O
Zn SmithsoniteZnCO3
MoMolybdenum
Mo WulfenitePb(MoO4)
AgSilver
Ag AcanthiteAg2S
Ag StephaniteAg5SbS4
SbAntimony
Sb TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Sb CervantiteSb3+Sb5+O4
Sb StephaniteAg5SbS4
WTungsten
W TungsteniteWS2
W Wolframite(Fe2+)WO4 to (Mn2+)WO4
W StolzitePb(WO4)
PbLead
Pb GalenaPbS
Pb CerussitePbCO3
Pb WulfenitePb(MoO4)
Pb AnglesitePbSO4
Pb MassicotPbO
Pb StolzitePb(WO4)

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

Permian - Devonian
251.902 - 419.2 Ma



ID: 3189534
Paleozoic sedimentary rocks

Age: Phanerozoic (251.902 - 419.2 Ma)

Lithology: Limestone,shale,sandstone,dolomite,siltstone

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]

Middle Cambrian
501 - 511 Ma



ID: 2744771
Bloomington Formation, Maxfield Limestone, and Ophir Formations

Age: Cambrian (501 - 511 Ma)

Stratigraphic Name: Bloomington Formation; Maxfield Limestone; Ophir Formation

Description: Bloomington Formation missing in Salt Lake City area

Comments: Original map source: Hintze, L.F., Willis, G.C., Laes, D.Y.M., Sprinkel, D.A., and Brown, K.D., 2000, Digital Geologic Map of Utah: Utah Geological Survey, Map 179DM, scale 1:500,000.

Lithology: Major:{carbonate,shale}, Minor:{sandstone}

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

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Calkins, F. C.; Butler, B. S.; Heikes, V. C. (1943) Geology and ore deposits of the Cottonwood-American Fork area, Utah, with sections on history and production. USGS Professional Paper: 201


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