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Mayflower prospect (West Mayflower Mine), Norwegian Mining District (Whitehall Mining District), Madison Co., Montana, USAi
Regional Level Types
Mayflower prospect (West Mayflower Mine)Prospect
Norwegian Mining District (Whitehall Mining District)Mining District
Madison Co.County
MontanaState
USACountry

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Key
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Latitude & Longitude (WGS84):
45° 47' 38'' North , 112° 0' 3'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Whitehall1,094 (2017)11.3km
Pony118 (2011)17.2km
Harrison137 (2011)19.6km
Willow Creek210 (2011)27.8km
Three Forks1,926 (2017)36.4km


A former Au-Te-Ag occurrence/mine. Nearest town is Whitehall.

Deposit is a fault fissure nearly parallel to the bedding of upturned Cambrian Meagher limestones. The ore replaced limestone and was largely oxidized.

Production: Montana Bureau of Mines and Geology, Memoir 9; Reyner, M.L. (1950).

Regions containing this locality

North America PlateTectonic Plate
Rocky Mountains, North AmericaMountain Range

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


30 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Acanthite
Formula: Ag2S
Reference: Mineralogical Magazine 1996 60 : 871-876
Altaite
Formula: PbTe
Reference: Mineralogical Magazine 1996 60 : 871-876
Benleonardite
Formula: [Ag6(Sb,As)2S6Te] [Ag9Cu(S,Te)2Te2]
Reference: Mineralogical Magazine 1996 60 : 871-876
Calaverite
Formula: AuTe2
Reference: Mineralogical Magazine 1996 60 : 871-876
Calderónite
Formula: Pb2Fe3+(VO4)2(OH)
Reference: Gibson, Richard I. (2018) Supergene Minerals from the Mayflower Mine, Madison County, Montana. In Scarberry, K.C., and Barth, S., 2018, Proceedings Montana Mining and Mineral Symposium 2017, technical papers and abstracts: Montana Bureau of Mines and Geology Open-File Report 699.
Cervelleite ?
Formula: Ag4TeS
Reference: Mineralogical Magazine 1996 60 : 871-876
Chalcocite
Formula: Cu2S
Reference: Mineralogical Magazine 1996 60 : 871-876
Chalcopyrite
Formula: CuFeS2
Reference: Mineralogical Magazine 1996 60 : 871-876
Coloradoite
Formula: HgTe
Reference: Mineralogical Magazine 1996 60 : 871-876
Covellite
Formula: CuS
Reference: Mineralogical Magazine 1996 60 : 871-876
Descloizite
Formula: PbZn(VO4)(OH)
Reference: Gibson, Richard I. (2018) Supergene Minerals from the Mayflower Mine, Madison County, Montana. In Scarberry, K.C., and Barth, S., 2018, Proceedings Montana Mining and Mineral Symposium 2017, technical papers and abstracts: Montana Bureau of Mines and Geology Open-File Report 699.
Freibergite
Formula: Ag6[Cu4Fe2]Sb4S13-x
Reference: Mineralogical Magazine 1996 60 : 871-876
Galena
Formula: PbS
Reference: Mineralogical Magazine 1996 60 : 871-876
Gold
Formula: Au
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Mineralogical Magazine 1996 60 : 871-876
Hemimorphite
Formula: Zn4Si2O7(OH)2 · H2O
Reference: Gibson, Richard I. (2018) Supergene Minerals from the Mayflower Mine, Madison County, Montana. In Scarberry, K.C., and Barth, S., 2018, Proceedings Montana Mining and Mineral Symposium 2017, technical papers and abstracts: Montana Bureau of Mines and Geology Open-File Report 699.
Hessite
Formula: Ag2Te
Reference: Mineralogical Magazine 1996 60 : 871-876
Marcasite
Formula: FeS2
Reference: Mineralogical Magazine 1996 60 : 871-876
Mcguinnessite
Formula: (Mg,Cu)2(CO3)(OH)2
Reference: Richard Gibson collection
Nagyágite
Formula: [Pb3(Pb,Sb)3S6](Au,Te)3
Reference: Mineralogical Magazine 1996 60 : 871-876
Petzite
Formula: Ag3AuTe2
Reference: Mineralogical Magazine 1996 60 : 871-876
Pyrite
Formula: FeS2
Reference: Mineralogical Magazine 1996 60 : 871-876
Roscoelite
Formula: K(V3+,Al)2(AlSi3O10)(OH)2
Reference: Gibson, Richard I. (2018) Supergene Minerals from the Mayflower Mine, Madison County, Montana. In Scarberry, K.C., and Barth, S., 2018, Proceedings Montana Mining and Mineral Symposium 2017, technical papers and abstracts: Montana Bureau of Mines and Geology Open-File Report 699.
Sphalerite
Formula: ZnS
Reference: Mineralogical Magazine 1996 60 : 871-876
Stützite
Formula: Ag5-xTe3, x = 0.24-0.36
Reference: Mineralogical Magazine 1996 60 : 871-876
Sylvanite
Formula: (Au,Ag)2Te4
Reference: Mineralogical Magazine 1996 60 : 871-876
Tangeite
Formula: CaCu(VO4)(OH)
Reference: Gibson, Richard I. (2018) Supergene Minerals from the Mayflower Mine, Madison County, Montana. In Scarberry, K.C., and Barth, S., 2018, Proceedings Montana Mining and Mineral Symposium 2017, technical papers and abstracts: Montana Bureau of Mines and Geology Open-File Report 699.
Tellurium
Formula: Te
Reference: Mineralogical Magazine 1996 60 : 871-876
Tetrahedrite-(Fe)
Formula: Cu6[Cu4(Fe,Zn)2]Sb4S13
Reference: Mineralogical Magazine 1996 60 : 871-876
Vanadinite
Formula: Pb5(VO4)3Cl
Reference: Gibson, Richard I. (2018) Supergene Minerals from the Mayflower Mine, Madison County, Montana. In Scarberry, K.C., and Barth, S., 2018, Proceedings Montana Mining and Mineral Symposium 2017, technical papers and abstracts: Montana Bureau of Mines and Geology Open-File Report 699.
Wulfenite
Formula: Pb(MoO4)
Reference: Gibson, Richard I. (2018) Supergene Minerals from the Mayflower Mine, Madison County, Montana. In Scarberry, K.C., and Barth, S., 2018, Proceedings Montana Mining and Mineral Symposium 2017, technical papers and abstracts: Montana Bureau of Mines and Geology Open-File Report 699.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Tellurium1.CC.10Te
Group 2 - Sulphides and Sulfosalts
Acanthite2.BA.35Ag2S
Altaite2.CD.10PbTe
Benleonardite2.LA.50[Ag6(Sb,As)2S6Te] [Ag9Cu(S,Te)2Te2]
Calaverite2.EA.10AuTe2
Cervelleite ?2.BA.60Ag4TeS
Chalcocite2.BA.05Cu2S
Chalcopyrite2.CB.10aCuFeS2
Coloradoite2.CB.05aHgTe
Covellite2.CA.05aCuS
Freibergite2.GB.05Ag6[Cu4Fe2]Sb4S13-x
Galena2.CD.10PbS
Hessite2.BA.60Ag2Te
Marcasite2.EB.10aFeS2
Nagyágite2.HB.20a[Pb3(Pb,Sb)3S6](Au,Te)3
Petzite2.BA.75Ag3AuTe2
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Stützite2.BA.65Ag5-xTe3, x = 0.24-0.36
Sylvanite2.EA.05(Au,Ag)2Te4
Tetrahedrite-(Fe)2.GB.05Cu6[Cu4(Fe,Zn)2]Sb4S13
Group 5 - Nitrates and Carbonates
Mcguinnessite5.BA.10(Mg,Cu)2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Wulfenite7.GA.05Pb(MoO4)
Group 8 - Phosphates, Arsenates and Vanadates
Calderónite8.BG.05Pb2Fe3+(VO4)2(OH)
Descloizite8.BH.40PbZn(VO4)(OH)
Tangeite8.BH.35CaCu(VO4)(OH)
Vanadinite8.BN.05Pb5(VO4)3Cl
Group 9 - Silicates
Hemimorphite9.BD.10Zn4Si2O7(OH)2 · H2O
Roscoelite9.EC.15K(V3+,Al)2(AlSi3O10)(OH)2

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
Semi-metals and non-metals
Tellurium1.3.4.2Te
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Acanthite2.4.1.1Ag2S
Chalcocite2.4.7.1Cu2S
Hessite2.4.2.1Ag2Te
Petzite2.4.3.3Ag3AuTe2
AmXp, with m:p = 1:1
Altaite2.8.1.3PbTe
Coloradoite2.8.2.5HgTe
Covellite2.8.12.1CuS
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 2:3
Nagyágite2.11.10.1[Pb3(Pb,Sb)3S6](Au,Te)3
AmBnXp, with (m+n):p = 1:2
Calaverite2.12.13.2AuTe2
Marcasite2.12.2.1FeS2
Pyrite2.12.1.1FeS2
Sylvanite2.12.13.3(Au,Ag)2Te4
Miscellaneous
Stützite2.16.13.1Ag5-xTe3, x = 0.24-0.36
Group 3 - SULFOSALTS
ø > 4
Benleonardite3.1.10.1[Ag6(Sb,As)2S6Te] [Ag9Cu(S,Te)2Te2]
3 <ø < 4
Freibergite3.3.6.3Ag6[Cu4Fe2]Sb4S13-x
Tetrahedrite-(Fe)3.3.6.1Cu6[Cu4(Fe,Zn)2]Sb4S13
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Mcguinnessite16a.3.1.4(Mg,Cu)2(CO3)(OH)2
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Descloizite41.5.2.1PbZn(VO4)(OH)
Tangeite41.5.1.6CaCu(VO4)(OH)
A5(XO4)3Zq
Vanadinite41.8.4.3Pb5(VO4)3Cl
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
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 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Roscoelite71.2.2a.4K(V3+,Al)2(AlSi3O10)(OH)2
Unclassified Minerals, Mixtures, etc.
Calderónite-Pb2Fe3+(VO4)2(OH)
Cervelleite ?-Ag4TeS

List of minerals for each chemical element

HHydrogen
H Mcguinnessite(Mg,Cu)2(CO3)(OH)2
H HemimorphiteZn4Si2O7(OH)2 · H2O
H DescloizitePbZn(VO4)(OH)
H TangeiteCaCu(VO4)(OH)
H RoscoeliteK(V3+,Al)2(AlSi3O10)(OH)2
H CalderónitePb2Fe3+(VO4)2(OH)
CCarbon
C Mcguinnessite(Mg,Cu)2(CO3)(OH)2
OOxygen
O Mcguinnessite(Mg,Cu)2(CO3)(OH)2
O HemimorphiteZn4Si2O7(OH)2 · H2O
O VanadinitePb5(VO4)3Cl
O WulfenitePb(MoO4)
O DescloizitePbZn(VO4)(OH)
O TangeiteCaCu(VO4)(OH)
O RoscoeliteK(V3+,Al)2(AlSi3O10)(OH)2
O CalderónitePb2Fe3+(VO4)2(OH)
MgMagnesium
Mg Mcguinnessite(Mg,Cu)2(CO3)(OH)2
AlAluminium
Al RoscoeliteK(V3+,Al)2(AlSi3O10)(OH)2
SiSilicon
Si HemimorphiteZn4Si2O7(OH)2 · H2O
Si RoscoeliteK(V3+,Al)2(AlSi3O10)(OH)2
SSulfur
S PyriteFeS2
S MarcasiteFeS2
S FreibergiteAg6[Cu4Fe2]Sb4S13-x
S Tetrahedrite-(Fe)Cu6[Cu4(Fe,Zn)2]Sb4S13
S Benleonardite[Ag6(Sb,As)2S6Te] [Ag9Cu(S,Te)2Te2]
S Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
S GalenaPbS
S SphaleriteZnS
S ChalcopyriteCuFeS2
S ChalcociteCu2S
S CovelliteCuS
S AcanthiteAg2S
S CervelleiteAg4TeS
ClChlorine
Cl VanadinitePb5(VO4)3Cl
KPotassium
K RoscoeliteK(V3+,Al)2(AlSi3O10)(OH)2
CaCalcium
Ca TangeiteCaCu(VO4)(OH)
VVanadium
V VanadinitePb5(VO4)3Cl
V DescloizitePbZn(VO4)(OH)
V TangeiteCaCu(VO4)(OH)
V RoscoeliteK(V3+,Al)2(AlSi3O10)(OH)2
V CalderónitePb2Fe3+(VO4)2(OH)
FeIron
Fe PyriteFeS2
Fe MarcasiteFeS2
Fe FreibergiteAg6[Cu4Fe2]Sb4S13-x
Fe Tetrahedrite-(Fe)Cu6[Cu4(Fe,Zn)2]Sb4S13
Fe ChalcopyriteCuFeS2
Fe CalderónitePb2Fe3+(VO4)2(OH)
CuCopper
Cu FreibergiteAg6[Cu4Fe2]Sb4S13-x
Cu Tetrahedrite-(Fe)Cu6[Cu4(Fe,Zn)2]Sb4S13
Cu Benleonardite[Ag6(Sb,As)2S6Te] [Ag9Cu(S,Te)2Te2]
Cu ChalcopyriteCuFeS2
Cu ChalcociteCu2S
Cu CovelliteCuS
Cu Mcguinnessite(Mg,Cu)2(CO3)(OH)2
Cu TangeiteCaCu(VO4)(OH)
ZnZinc
Zn Tetrahedrite-(Fe)Cu6[Cu4(Fe,Zn)2]Sb4S13
Zn SphaleriteZnS
Zn HemimorphiteZn4Si2O7(OH)2 · H2O
Zn DescloizitePbZn(VO4)(OH)
AsArsenic
As Benleonardite[Ag6(Sb,As)2S6Te] [Ag9Cu(S,Te)2Te2]
MoMolybdenum
Mo WulfenitePb(MoO4)
AgSilver
Ag FreibergiteAg6[Cu4Fe2]Sb4S13-x
Ag Sylvanite(Au,Ag)2Te4
Ag PetziteAg3AuTe2
Ag HessiteAg2Te
Ag StütziteAg5-xTe3, x = 0.24-0.36
Ag Benleonardite[Ag6(Sb,As)2S6Te] [Ag9Cu(S,Te)2Te2]
Ag AcanthiteAg2S
Ag CervelleiteAg4TeS
SbAntimony
Sb FreibergiteAg6[Cu4Fe2]Sb4S13-x
Sb Tetrahedrite-(Fe)Cu6[Cu4(Fe,Zn)2]Sb4S13
Sb Benleonardite[Ag6(Sb,As)2S6Te] [Ag9Cu(S,Te)2Te2]
Sb Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
TeTellurium
Te Sylvanite(Au,Ag)2Te4
Te PetziteAg3AuTe2
Te HessiteAg2Te
Te StütziteAg5-xTe3, x = 0.24-0.36
Te CalaveriteAuTe2
Te ColoradoiteHgTe
Te AltaitePbTe
Te Benleonardite[Ag6(Sb,As)2S6Te] [Ag9Cu(S,Te)2Te2]
Te Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
Te TelluriumTe
Te CervelleiteAg4TeS
AuGold
Au GoldAu
Au Sylvanite(Au,Ag)2Te4
Au PetziteAg3AuTe2
Au CalaveriteAuTe2
Au Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
HgMercury
Hg ColoradoiteHgTe
PbLead
Pb AltaitePbTe
Pb Nagyágite[Pb3(Pb,Sb)3S6](Au,Te)3
Pb GalenaPbS
Pb VanadinitePb5(VO4)3Cl
Pb WulfenitePb(MoO4)
Pb DescloizitePbZn(VO4)(OH)
Pb CalderónitePb2Fe3+(VO4)2(OH)

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

Early Tertiary
33.9 - 66 Ma



ID: 3187686
Cenozoic volcanic rocks

Age: Paleogene (33.9 - 66 Ma)

Lithology: Volcanic 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]

Late Cretaceous
66 - 100.5 Ma



ID: 2135866
Elkhorn Mountains Volcanics

Age: Late Cretaceous (66 - 100.5 Ma)

Stratigraphic Name: Elkhorn Mountains Volcanics

Lithology: Major:: {andesite, latite}; Minor:: {volcanic sandstone, volcanic conglomerate}

Reference: Zientek, M.L., P.D. Derkey, R.J. Miller, J.D. Causet et al. Spatial Databases for the Geology of the Northern Rocky Mountains - Idaho, Montana, and Washington. U.S. Geological Survey Open-File Report 2005-1235 Version 1.0. [25]

Campanian
72.1 - 83.6 Ma



ID: 2878834
Elkhorn Mountains Volcanics

Age: Late Cretaceous (72.1 - 83.6 Ma)

Stratigraphic Name: Elkhorn Mountains Volcanics

Description: Light gray to dark gray, grayish red, greenish gray, and brown mostly andesitic to latitic welded tuff and tuff breccia, tuff, lapilli tuff, lava flows, flow breccia, and related hypabyssal intrusive rock. Subordinate quartz latitic welded tuff and basalt flows.

Comments: Original map source: Vuke, S.M., Porter, K.W., Lonn, J.D., and Lopez, D.A., 2007, Geologic Map of Montana - Compact Disc: Montana Bureau of Mines and Geology: Geologic Map 62-C, 73 p., 2 sheets, scale 1:500,000. This map was digitized in 2012 as a result of a contract betwe

Lithology: Major:{andesite,latite}, Minor:{hypabyssal,quartz latite,basalt}

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

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Byrne, J. (1901), Twelfth Annual Report - Inspector of Mines, Stae of Montana, 1900: 21.
Kemp, James F. (1906), The Ore Deposits of The United States and Canada.
Winchell, Alexander Newton (1914), Mining Districts of the Dillon Quadrangle, Montana, and adjacent areas, USGS Bulletin 574, 191 pp.: 97-101.
Lorain, S. H. (1937) Gold lode mining in the Tobacco Root Mountains, Montana, U.S. Bureau of Mines Information Circular 6972, 74 p.: 71-72.
Reyner, M.L. (1950), Directory of Mining Properties, 1949, Montana Bureau of Mines and geology, Memoir 31: 74.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10019512.
Gibson, Richard I. (2018) Supergene Minerals from the Mayflower Mine, Madison County, Montana, in Scarberry, K.C., and Barth, S., 2018, Proceedings of the Montana Mining and Mineral Symposium 2017, technical papers and abstracts: Montana Bureau of Mines and Geology Open-File Report 699.
Montana Bureau of Mines and Geology, Memoir 9: 31-32.

USGS MRDS Record:10019512

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