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Missouri Mine, Hall Valley (Hall's Valley), Montezuma District, Park Co., Colorado, USAi
Regional Level Types
Missouri MineMine
Hall Valley (Hall's Valley)Valley
Montezuma DistrictMining District
Park Co.County
ColoradoState
USACountry

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Latitude & Longitude (WGS84): 39° 31' 5'' North , 105° 51' 24'' West
Latitude & Longitude (decimal): 39.51833,-105.85667
GeoHash:G#: 9xh8z4jdb
Locality type:Mine
Köppen climate type:Dfc : Subarctic climate
Nearest Settlements:
PlacePopulationDistance
Keystone1,079 (2011)14.4km
Breckenridge4,896 (2017)16.1km
Blue River904 (2017)18.8km
Dillon961 (2017)20.3km
Frisco3,035 (2017)21.6km


The Missouri Mine is located just above the timber line near the head of Hall Valley. The site is on the opposite (eastern) side of the Continental Divide from the main part of the Montezuma District but is treated under Montezuma by Lovering and Goddard (1950), the principal descriptive source. This mine is known for bismuth minerals. In 1973 spots in the dump containing fragments of the bismuth-bearing ore were marked by splotches of yellow “bismuth ocher”.

Due to the altitude the climate at this locality is severe. In late June 1973 substantial unmelted snow drifts were still present. Around a beaver pond just below the mine pussy willow was just coming out. A black cloud suddenly appeared, there was an icy wind and a hard, 5 minute snow squall.

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


26 valid minerals. 2 (TL) - type locality of valid minerals.

Detailed Mineral List:

Aikinite
Formula: PbCuBiS3
Reference: Minerals of Colorado (1997) Eckel, E. B.
Baryte
Formula: BaSO4
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; U.S. Geological Survey Professional Paper 223
Bayldonite
Formula: PbCu3(AsO4)2(OH)2
Reference: Minerals of Colorado (1997) Eckel, E. B.
Benjaminite ?
Formula: Ag3Bi7S12
Reference: Minerals of Colorado (1997) Eckel, E. B.
Berryite (TL)
Formula: Cu3Ag2Pb3Bi7S16
Type Locality:
Reference: Minerals of Colorado (1997) Eckel, E. B.
Bismite
Formula: Bi2O3
Reference: Minerals of Colorado (1997) Eckel, E. B.
Bismuthinite
Formula: Bi2S3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; U.S. Geological Survey Professional Paper 223
Bismutite
Formula: (BiO)2CO3
Reference: Minerals of Colorado (1997) Eckel, E. B.; U.S. Geological Survey Professional Paper 223
Chalcopyrite
Formula: CuFeS2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; U.S. Geological Survey Professional Paper 223
Cuprobismutite (TL)
Formula: Cu8AgBi13S24
Type Locality:
Reference: Amer.J.Sci.(1884) ser. 3, 27, 349-358 (p. 355); U.S. Geological Survey Professional Paper 223
Cupropavonite
Formula: Cu0.9Ag0.5Pb0.6Bi2.5S5
Reference: Nuffield, E.W. (1980): Cupropavonite from Hall's Valley, Park County, Colorado. Canadian Mineralogist 18, 181-184.; Minerals of Colorado (1997) Eckel, E. B.
Duftite
Formula: PbCu(AsO4)(OH)
Reference: Minerals of Colorado (1997) Eckel, E. B.
Emplectite
Formula: CuBiS2
Reference: Minerals of Colorado (1997) Eckel, E. B.
Enargite
Formula: Cu3AsS4
Reference: Minerals of Colorado (1997) E.B. Eckel
Galena
Formula: PbS
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; U.S. Geological Survey Professional Paper 223
Gold
Formula: Au
Reference: U.S. Geological Survey Professional Paper 223
Malachite
Formula: Cu2(CO3)(OH)2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Matildite
Formula: AgBiS2
Reference: Minerals of Colorado (1997) E.B. Eckel
Mimetite
Formula: Pb5(AsO4)3Cl
Reference: Minerals of Colorado (1997) Eckel, E. B.
Pavonite
Formula: AgBi3S5
Reference: Minerals of Colorado (1997) E.B. Eckel
Proustite
Formula: Ag3AsS3
Reference: U.S. Geological Survey Professional Paper 223
Pyrite
Formula: FeS2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; U.S. Geological Survey Professional Paper 223
Quartz
Formula: SiO2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; U.S. Geological Survey Professional Paper 223
Silver
Formula: Ag
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; U.S. Geological Survey Professional Paper 223
Tennantite
Formula: Cu6[Cu4(Fe,Zn)2]As4S13
Reference: Minerals of Colorado (1997) E.B. Eckel; U.S. Geological Survey Professional Paper 223
Tetrahedrite
Formula: Cu6[Cu4(Fe,Zn)2]Sb4S13
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; U.S. Geological Survey Professional Paper 223
'Wolframite'
Formula: (Fe2+)WO4 to (Mn2+)WO4
Reference: Minerals of Colorado (1997) Eckel, E. B.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Aikinite2.HB.05aPbCuBiS3
Benjaminite ?2.JA.05eAg3Bi7S12
Berryite (TL)2.HB.20dCu3Ag2Pb3Bi7S16
Bismuthinite2.DB.05Bi2S3
Chalcopyrite2.CB.10aCuFeS2
Cuprobismutite (TL)2.JA.10aCu8AgBi13S24
Cupropavonite2.JA.05aCu0.9Ag0.5Pb0.6Bi2.5S5
Emplectite2.HA.05CuBiS2
Enargite2.KA.05Cu3AsS4
Galena2.CD.10PbS
Matildite2.JA.20AgBiS2
Pavonite2.JA.05aAgBi3S5
Proustite2.GA.05Ag3AsS3
Pyrite2.EB.05aFeS2
Tennantite2.GB.05Cu6[Cu4(Fe,Zn)2]As4S13
Tetrahedrite2.GB.05Cu6[Cu4(Fe,Zn)2]Sb4S13
Group 4 - Oxides and Hydroxides
Bismite4.CB.60Bi2O3
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Bismutite5.BE.25(BiO)2CO3
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 8 - Phosphates, Arsenates and Vanadates
Bayldonite8.BH.45PbCu3(AsO4)2(OH)2
Duftite8.BH.35PbCu(AsO4)(OH)
Mimetite8.BN.05Pb5(AsO4)3Cl
Unclassified Minerals, Rocks, etc.
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

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
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 2:3
Bismuthinite2.11.2.3Bi2S3
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
ø = 4
Enargite3.2.1.1Cu3AsS4
3 <ø < 4
Tennantite3.3.6.2Cu6[Cu4(Fe,Zn)2]As4S13
Tetrahedrite3.3.6.1Cu6[Cu4(Fe,Zn)2]Sb4S13
ø = 3
Aikinite3.4.5.1PbCuBiS3
Proustite3.4.1.1Ag3AsS3
2 < ø < 2.49
Berryite (TL)3.6.15.1Cu3Ag2Pb3Bi7S16
ø = 2
Emplectite3.7.5.2CuBiS2
Matildite3.7.1.1AgBiS2
1 < ø < 2
Benjaminite ?3.8.10.3Ag3Bi7S12
Cuprobismutite (TL)3.8.2.1Cu8AgBi13S24
Cupropavonite3.8.10.6Cu0.9Ag0.5Pb0.6Bi2.5S5
Pavonite3.8.10.1AgBi3S5
Group 4 - SIMPLE OXIDES
A2X3
Bismite4.3.10.2Bi2O3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Bismutite16a.3.5.1(BiO)2CO3
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Bayldonite41.5.14.1PbCu3(AsO4)2(OH)2
Duftite41.5.1.4PbCu(AsO4)(OH)
A5(XO4)3Zq
Mimetite41.8.4.2Pb5(AsO4)3Cl
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals for each chemical element

HHydrogen
H MalachiteCu2(CO3)(OH)2
H BayldonitePbCu3(AsO4)2(OH)2
H DuftitePbCu(AsO4)(OH)
CCarbon
C MalachiteCu2(CO3)(OH)2
C Bismutite(BiO)2CO3
OOxygen
O MalachiteCu2(CO3)(OH)2
O BaryteBaSO4
O QuartzSiO2
O BayldonitePbCu3(AsO4)2(OH)2
O DuftitePbCu(AsO4)(OH)
O BismiteBi2O3
O Bismutite(BiO)2CO3
O Wolframite(Fe2+)WO4 to (Mn2+)WO4
O MimetitePb5(AsO4)3Cl
SiSilicon
Si QuartzSiO2
SSulfur
S BerryiteCu3Ag2Pb3Bi7S16
S CuprobismutiteCu8AgBi13S24
S PavoniteAgBi3S5
S ChalcopyriteCuFeS2
S TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
S GalenaPbS
S BismuthiniteBi2S3
S PyriteFeS2
S BaryteBaSO4
S AikinitePbCuBiS3
S EmplectiteCuBiS2
S CupropavoniteCu0.9Ag0.5Pb0.6Bi2.5S5
S MatilditeAgBiS2
S TennantiteCu6[Cu4(Fe,Zn)2]As4S13
S EnargiteCu3AsS4
S ProustiteAg3AsS3
S BenjaminiteAg3Bi7S12
ClChlorine
Cl MimetitePb5(AsO4)3Cl
MnManganese
Mn Wolframite(Fe2+)WO4 to (Mn2+)WO4
FeIron
Fe ChalcopyriteCuFeS2
Fe TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Fe PyriteFeS2
Fe Wolframite(Fe2+)WO4 to (Mn2+)WO4
CuCopper
Cu BerryiteCu3Ag2Pb3Bi7S16
Cu CuprobismutiteCu8AgBi13S24
Cu ChalcopyriteCuFeS2
Cu TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Cu MalachiteCu2(CO3)(OH)2
Cu AikinitePbCuBiS3
Cu BayldonitePbCu3(AsO4)2(OH)2
Cu DuftitePbCu(AsO4)(OH)
Cu EmplectiteCuBiS2
Cu CupropavoniteCu0.9Ag0.5Pb0.6Bi2.5S5
Cu TennantiteCu6[Cu4(Fe,Zn)2]As4S13
Cu EnargiteCu3AsS4
ZnZinc
Zn TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
AsArsenic
As BayldonitePbCu3(AsO4)2(OH)2
As DuftitePbCu(AsO4)(OH)
As MimetitePb5(AsO4)3Cl
As TennantiteCu6[Cu4(Fe,Zn)2]As4S13
As EnargiteCu3AsS4
As ProustiteAg3AsS3
AgSilver
Ag BerryiteCu3Ag2Pb3Bi7S16
Ag CuprobismutiteCu8AgBi13S24
Ag PavoniteAgBi3S5
Ag SilverAg
Ag CupropavoniteCu0.9Ag0.5Pb0.6Bi2.5S5
Ag MatilditeAgBiS2
Ag ProustiteAg3AsS3
Ag BenjaminiteAg3Bi7S12
SbAntimony
Sb TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
BaBarium
Ba BaryteBaSO4
WTungsten
W Wolframite(Fe2+)WO4 to (Mn2+)WO4
AuGold
Au GoldAu
PbLead
Pb BerryiteCu3Ag2Pb3Bi7S16
Pb GalenaPbS
Pb AikinitePbCuBiS3
Pb BayldonitePbCu3(AsO4)2(OH)2
Pb DuftitePbCu(AsO4)(OH)
Pb CupropavoniteCu0.9Ag0.5Pb0.6Bi2.5S5
Pb MimetitePb5(AsO4)3Cl
BiBismuth
Bi BerryiteCu3Ag2Pb3Bi7S16
Bi CuprobismutiteCu8AgBi13S24
Bi PavoniteAgBi3S5
Bi BismuthiniteBi2S3
Bi AikinitePbCuBiS3
Bi EmplectiteCuBiS2
Bi BismiteBi2O3
Bi Bismutite(BiO)2CO3
Bi CupropavoniteCu0.9Ag0.5Pb0.6Bi2.5S5
Bi MatilditeAgBiS2
Bi BenjaminiteAg3Bi7S12

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

Paleoproterozoic
1600 - 2500 Ma



ID: 2209026
Hornblende-plagioclase gneiss and amphibolite

Age: Proterozoic (1600 - 2500 Ma)

Description: Dark-gray to black, weakly to strongly foliated, layered, mostly medium grained, hornblende-plagioclase gneiss and amphibolite containing variable amounts of biotite, quartz, and augite. Commonly has black-and-white mottled texture due to weathered plagioclase (white) and hornblende (black). Amphibolite contains greater than 50 percent amphibole. Hornblende-plagioclase gneiss contains interlayered amphibolite, particularly in Nederland 7.5-minute quadrangle, and minor calc-silicate gneiss (Xc) and cordierite-biotite gneiss (Xbc) (Gable, 1969). Commonly intimately interlayered with more felsic gneissic rocks, so many occurrences are included with other units

Reference: Kellogg, K.S., Shroba, R.R., Bryant, Bruce, and Premo, W.R. Geologic Map of the Denver West 30' x 60' Quadrangle, North- Central Colorado. USGS Geologic Investigations Series 3000. [35]

Paleoproterozoic
1600 - 2500 Ma



ID: 2855879
Felsic and hornblendic gneisses, either separate or interlayered

Age: Proterozoic (1600 - 2500 Ma)

Description: Includes metabasalt, metatuff, and interbedded metagraywacke; locally contains interlayered biotite gneiss. Derived principally from volcanic rocks

Comments: Original map source: Green, G.N., 1992, The Digital Geologic Map of Colorado in ARC/INFO Format: U.S. Geological Survey Open-File Report 92-0507, 9 p., scale 1:500,000.

Lithology: Major:{gneiss}, Minor:{metabasalt,metagraywacke}

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]

Paleoproterozoic
1600 - 2500 Ma



ID: 3186950
Paleoproterozoic crystalline metamorphic rocks

Age: Proterozoic (1600 - 2500 Ma)

Lithology: Orthogneiss/paragneiss

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]

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

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Lovering, T.S. and Goddard, E.N. (1950), Geology and Ore Deposits of the Front Range, Colorado, USGS Professional Paper 223.


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