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Golden Sunlight Mine (Telluride and Excelsior; Moonlight Buffalo; Blue Moose; Minera Hill; Sunlight), Whitehall District (Cardwell District), Jefferson Co., Montana, USA

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Latitude & Longitude (WGS84): 45° 54' 20'' North , 112° 1' 16'' West
Latitude & Longitude (decimal): 45.90577,-112.02132
GeoHash:G#: c80m4uus6
USGS MRDS Record:10148740
Owned/operated by:Barrick Gold Corporation
Locality type:Mine
Köppen climate type:BSk : Cold semi-arid (steppe) climate


A former Au-Ag-Cu occurrence/mine located in the NE¼SE¼SE¼ sec. 19, T2N, R3W, MPM, on private land (fee ownership). Owned by Placer Dome Inc. (100%), Canada (1990-1995). Operated by Golden Sunlight Mines, Inc., Montana (1990-1995). MRDS database stated accuracy for this location is 100 meters. This property involves portion s of sections 19, 20, 28, 29 & 30, T2N, R3W, MPM.

The first claims were staked by A.H. Hedley in 1890. American Development and Mining Company acquired Hedley's claims and staked claims on Mineral Hill. A stamp mill was constructed in 1895 by American Developemnt. Milling efforts were not successful and were abandoned in 1905. During the period 1890-1910 ore was shipped to smelters from the "old Sunlight" workings. Estimated production for this period was 75,000 tons of ore having a gross value of $1,500,000 (period values). The property was sold in 1904 to Eugene Ring of Butte. A 40 ton cyanide mill was built in 1906 and was abandoned before 1910. During the period 1910 to 1917 the property was acquired by H.C. Bacorn and Associates and was mined on a small scale by lessees. In 1920 J.B. Wellcome and Alex McKay gained control of the property. Later, their heirs gave Anaconda Company an option to purchase the property. Anaconda declined after exploration in 1935. During 1936/1937 A.O. Smith obtained a lease and option to purchase the Sunlight holdings from Wellcome and McKay's heirs. Production of a small amount of direct shipping ore occurred in 1938. In 1939 Smith sub-leased the property and the lessees shipped small quantities of ore until 1946. The Martin Brothers tested the property in 1946 and gave up the option to purchase. During the period 1955 to 1956 White Development Company attempted to operate the mine as a moderate-volume, open pit operation A glory hole and a connecting conveyor belt haulage adit were developed on Mineral Hill to mine a low-grade ore body centered around the breccia pipe. American Exploration and Mining Company (Placer U.S.) optioned the property (predecessor of Golden Sunlight Mines) from A.O. Smith Corporation. Placer U.S. purchased the property in 1968. Construction of facilities started in 1981. During February, 1983, the first Au was poured after a $50 million capital investment. A 7½ month hiatus in production was realized due to a re-activated landslide.

Mineralization is a breccia pipe deposit hosted in the Early Pliocene Greyson shale of the Belt Series. The ore body is ellipsoidal in shape at a length of 500 meters, strike of N45W and a dip of 25E, at a thickness of 200 meters, width of 100 meters. ore body No. 1 is pipe-like and breccia filled. Ore body No. 2 is a fissure vein. The primary mode of origin was hydrothermal activity. Primary ore control was a latite porphyry intrusion. The Golden Sunlight Fault may also be an ore control. Wallrock alteration is intense. (not specified). Auriferous pyrite is associated with quartz veins. Mineralizing solutions apparently injected into irregular vein system. Associated rocks include Pliocene latite, lamprophyre dikes and latite porphyry stock. Local rocks include Tertiary sedimentary rocks, undifferentiated.

Regional geologic structures include the Boulder Batholith and the Lombard Overthrust. Local structures include the Golden Sunlight Fault that trends N-S and dips 45E.

Many faults cut both the igneous and sedimentary rocks. A pipe-like body of silica-cemented shale occurs at this deposit. The core of the mineralized zone is centered around the breccia pipe. Hydrothermal alteration within and surrounding the breccia pipe is evidenced by silicification and sericitization. Free gold is reported with minor silver. Pyrite is the dominant sulfide.

The Proterozoic sedimentary rocks contain synsedimentary mineralization in the form of high-sulfide horizons and finely disseminated diagenetic mineralization. Authigenic K-feldspar is also present. Samples of the synsedimentary mineralization that appear not to have been affected by the epigenetic processes carry low-level gold in the 0.01 ounce/ton (0.031 grams/ton) range. This suggests that the Au was deposited with the synsedimentary sulfides. This low-level Au may have served as the source for some of the metals in the epigenetic breccia pipe. The similar multi-element signature between the synsedimentary system and the breccia pipe also supports the possibility of epigenetic re-mobilization of the metals. (Foster and Smith, 1995 ?)

This property was developed by at least 15 adits and pits and several surface cuts on the E side of the ridge, including the "Bacorn" level or adit and the "Ohio" level or adit. Early mining was predominantly by underground workings. Open-pit started in 1981 to present (2000). This mine was slated for closure in 2002 (as of 6/2000).

Production information: 1989 production = 111,539 ounces Au from 2,268,000 metric tons of treated ore.

Milling was by size reduction, then cyanide vat leaching (twelve 400,000 gallon leach tanks, washing and treatment of slime fraction by carbon absorption using carbon-in-pulp tanks and up-flow carbon columns. The gold is removed from the carbon in pressure stripping vessels using a caustic cyanide solution. The sand fraction goes to a sand tailing retreatment using concentration in spiral shaped launders.

Regions containing this locality

Rocky Mountains, North America

Mountain Range - 2,059 mineral species & varietal names listed

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


55 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: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526
Aikinite
Formula: PbCuBiS3
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526
Arsenopyrite
Formula: FeAsS
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526
Baryte
Formula: BaSO4
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Econ Geol (1985) 80:1689-1706; Economic Geology,(1996) Vol. 91-3, pp.507-526
Benjaminite ?
Formula: Ag3Bi7S12
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526
Bismuthinite
Formula: Bi2S3
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.
Bornite
Formula: Cu5FeS4
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Econ.Geol.: 83; 395-404; Econ Geol (1985) 80:1689-1706; Economic Geology,(1996) Vol. 91-3, pp.507-526
Buckhornite
Formula: AuPb2BiTe2S3
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526
Calaverite
Formula: AuTe2
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Econ.Geol.: 83; 395-404; Econ Geol (1985) 80:1689-1706; Economic Geology,(1996) Vol. 91-3, pp.507-526
Chalcanthite
Formula: CuSO4 · 5H2O
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526; USGS Bull 574
Chalcocite
Formula: Cu2S
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526
Chalcopyrite
Formula: CuFeS2
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Econ.Geol.: 83; 395-404; Econ Geol (1985) 80:1689-1706; Economic Geology,(1996) Vol. 91-3, pp.507-526
'Chert'
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.
Coloradoite
Formula: HgTe
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526
'commodity:Copper'
Formula: Cu
Reference:  
Covellite
Formula: CuS
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Econ.Geol.: 83; 395-404; Econ Geol (1985) 80:1689-1706; Economic Geology,(1996) Vol. 91-3, pp.507-526
Dickite
Formula: Al2(Si2O5)(OH)4
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526
Digenite
Formula: Cu9S5
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526
Dolomite
Formula: CaMg(CO3)2
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526
Fluorapatite
Formula: Ca5(PO4)3F
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.
Fluorite
Formula: CaF2
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526
Friedrichite
Formula: Pb5Cu5Bi7S18
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526
Galena
Formula: PbS
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Econ.Geol.: 83; 395-404; Econ Geol (1985) 80:1689-1706; Economic Geology,(1996) Vol. 91-3, pp.507-526
Gladite
Formula: PbCuBi5S9
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526
Gold
Formula: Au
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Econ.Geol.: 83; 395-404; Econ Geol (1985) 80:1689-1706; Economic Geology,(1996) Vol. 91-3, pp.507-526
'commodity:Gold'
Formula: Au
Reference:  
Gypsum
Formula: CaSO4 · 2H2O
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526; USGS Bull 574
Hematite
Formula: Fe2O3
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Econ.Geol.: 83; 395-404; Econ Geol (1985) 80:1689-1706; Economic Geology,(1996) Vol. 91-3, pp.507-526; USGS Bull 574
Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526
Krennerite
Formula: Au3AgTe8
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Econ.Geol.: 83; 395-404; Econ Geol (1985) 80:1689-1706; Economic Geology,(1996) Vol. 91-3, pp.507-526
Krupkaite
Formula: PbCuBi3S6
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526
'Lamprophyre'
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10148740.
'Latite'
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10148740.
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: USGS Bull 574
Lindströmite
Formula: Pb3Cu3Bi7S15
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526
Magnesite
Formula: MgCO3
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.
Malachite
Formula: Cu2(CO3)(OH)2
Reference: USGS Bull 574
Marcasite
Formula: FeS2
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Econ Geol (1985) 80:1689-1706; Economic Geology,(1996) Vol. 91-3, pp.507-526
Melonite
Formula: NiTe2
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526
Microcline
Formula: K(AlSi3O8)
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.
Molybdenite
Formula: MoS2
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Econ Geol (1985) 80:1689-1706; Economic Geology,(1996) Vol. 91-3, pp.507-526; USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10148740.
Orthoclase
Formula: K(AlSi3O8)
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.
Petzite
Formula: Ag3AuTe2
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Econ.Geol.: 83; 395-404; Econ Geol (1985) 80:1689-1706; Economic Geology,(1996) Vol. 91-3, pp.507-526
Pyrargyrite
Formula: Ag3SbS3
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526
Pyrite
Formula: FeS2
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Econ.Geol.: 83; 395-404; Econ Geol (1985) 80:1689-1706; Economic Geology,(1996) Vol. 91-3, pp.507-526; USGS Bull 574
Pyrolusite
Formula: Mn4+O2
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; USGS Bull 574
Pyrrhotite
Formula: Fe7S8
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526
Quartz
Formula: SiO2
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Econ Geol (1985) 80:1689-1706; Economic Geology,(1996) Vol. 91-3, pp.507-526; USGS Bull 574
Rhodochrosite
Formula: MnCO3
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.
Rutile
Formula: TiO2
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Econ Geol (1985) 80:1689-1706; Economic Geology,(1996) Vol. 91-3, pp.507-526
'Shale'
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10148740.
'commodity:Silver'
Formula: Ag
Reference:  
Sphalerite
Formula: ZnS
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Econ.Geol.: 83; 395-404; Economic Geology,(1996) Vol. 91-3, pp.507-526
Stannite
Formula: Cu2FeSnS4
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.
Strontianite
Formula: SrCO3
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526
Sylvanite
Formula: (Au,Ag)2Te4
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Econ.Geol.: 83; 395-404; Econ Geol (1985) 80:1689-1706; Economic Geology,(1996) Vol. 91-3, pp.507-526
Tellurium
Formula: Te
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526
Tellurobismuthite
Formula: Bi2Te3
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Econ Geol (1985) 80:1689-1706; Economic Geology,(1996) Vol. 91-3, pp.507-526
Tennantite
Formula: Cu6[Cu4(Fe,Zn)2]As4S13
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Econ Geol (1985) 80:1689-1706; Economic Geology,(1996) Vol. 91-3, pp.507-526
Tetradymite
Formula: Bi2Te2S
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.; Economic Geology,(1996) Vol. 91-3, pp.507-526
Tetrahedrite
Formula: Cu6[Cu4(Fe,Zn)2]Sb4S13
Reference: Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): Mineralogy and Petrology 59, 143-164.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Gold'1.AA.05Au
Tellurium1.CC.10Te
Group 2 - Sulphides and Sulfosalts
'Acanthite'2.BA.35Ag2S
'Aikinite'2.HB.05aPbCuBiS3
'Arsenopyrite'2.EB.20FeAsS
'Benjaminite' ?2.JA.05eAg3Bi7S12
'Bismuthinite'2.DB.05Bi2S3
'Bornite'2.BA.15Cu5FeS4
'Buckhornite'2.HB.20bAuPb2BiTe2S3
'Calaverite'2.EA.10AuTe2
'Chalcocite'2.BA.05Cu2S
'Chalcopyrite'2.CB.10aCuFeS2
'Coloradoite'2.CB.05aHgTe
'Covellite'2.CA.05aCuS
'Digenite'2.BA.10Cu9S5
'Friedrichite'2.HB.05aPb5Cu5Bi7S18
'Galena'2.CD.10PbS
'Gladite'2.HB.05aPbCuBi5S9
'Krennerite'2.EA.15Au3AgTe8
'Krupkaite'2.HB.05aPbCuBi3S6
'Lindströmite'2.HB.05aPb3Cu3Bi7S15
'Marcasite'2.EB.10aFeS2
'Melonite'2.EA.20NiTe2
'Molybdenite'2.EA.30MoS2
'Petzite'2.BA.75Ag3AuTe2
'Pyrargyrite'2.GA.05Ag3SbS3
'Pyrite'2.EB.05aFeS2
'Pyrrhotite'2.CC.10Fe7S8
Sphalerite2.CB.05aZnS
Stannite2.CB.15aCu2FeSnS4
Sylvanite2.EA.05(Au,Ag)2Te4
Tellurobismuthite2.DC.05Bi2Te3
Tennantite2.GB.05Cu6[Cu4(Fe,Zn)2]As4S13
Tetradymite2.DC.05Bi2Te2S
Tetrahedrite2.GB.05Cu6[Cu4(Fe,Zn)2]Sb4S13
Group 3 - Halides
'Fluorite'3.AB.25CaF2
Group 4 - Oxides and Hydroxides
'Hematite'4.CB.05Fe2O3
'Magnetite'4.BB.05Fe2+Fe3+2O4
'Pyrolusite'4.DB.05Mn4+O2
'Quartz'4.DA.05SiO2
'Rutile'4.DB.05TiO2
Group 5 - Nitrates and Carbonates
'Dolomite'5.AB.10CaMg(CO3)2
'Magnesite'5.AB.05MgCO3
'Malachite'5.BA.10Cu2(CO3)(OH)2
'Rhodochrosite'5.AB.05MnCO3
Strontianite5.AB.15SrCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Baryte'7.AD.35BaSO4
'Chalcanthite'7.CB.20CuSO4 · 5H2O
'Gypsum'7.CD.40CaSO4 · 2H2O
Group 8 - Phosphates, Arsenates and Vanadates
'Fluorapatite'8.BN.05Ca5(PO4)3F
Group 9 - Silicates
'Dickite'9.ED.05Al2(Si2O5)(OH)4
'Kaolinite'9.ED.05Al2(Si2O5)(OH)4
'Microcline'9.FA.30K(AlSi3O8)
'Muscovite'9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
'Orthoclase'9.FA.30K(AlSi3O8)
Unclassified Minerals, Rocks, etc.
'Chert'-
'Lamprophyre'-
'Latite'-
'Limonite'-(Fe,O,OH,H2O)
Shale-

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
Digenite2.4.7.3Cu9S5
Petzite2.4.3.3Ag3AuTe2
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmXp, with m:p = 1:1
Coloradoite2.8.2.5HgTe
Covellite2.8.12.1CuS
Galena2.8.1.1PbS
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
Stannite2.9.2.1Cu2FeSnS4
AmBnXp, with (m+n):p = 2:3
Bismuthinite2.11.2.3Bi2S3
Buckhornite2.11.11.1AuPb2BiTe2S3
Tellurobismuthite2.11.7.2Bi2Te3
Tetradymite2.11.7.1Bi2Te2S
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Calaverite2.12.13.2AuTe2
Krennerite2.12.13.1Au3AgTe8
Marcasite2.12.2.1FeS2
Melonite2.12.14.1NiTe2
Molybdenite2.12.10.1MoS2
Pyrite2.12.1.1FeS2
Sylvanite2.12.13.3(Au,Ag)2Te4
Group 3 - SULFOSALTS
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
Friedrichite3.4.5.5Pb5Cu5Bi7S18
Gladite3.4.5.3PbCuBi5S9
Krupkaite3.4.5.2PbCuBi3S6
Lindströmite3.4.5.7Pb3Cu3Bi7S15
Pyrargyrite3.4.1.2Ag3SbS3
1 < ø < 2
Benjaminite ?3.8.10.3Ag3Bi7S12
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
AX2
Pyrolusite4.4.1.4Mn4+O2
Rutile4.4.1.1TiO2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Magnesite14.1.1.2MgCO3
Rhodochrosite14.1.1.4MnCO3
Strontianite14.1.3.3SrCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Chalcanthite29.6.7.1CuSO4 · 5H2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Dickite71.1.1.1Al2(Si2O5)(OH)4
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Microcline76.1.1.5K(AlSi3O8)
Orthoclase76.1.1.1K(AlSi3O8)
Unclassified Minerals, Rocks, etc.
'Chert'-
Kaolinite-Al2(Si2O5)(OH)4
'Lamprophyre'-
'Latite'-
'Limonite'-(Fe,O,OH,H2O)
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2
'Shale'-

List of minerals for each chemical element

HHydrogen
H ChalcanthiteCuSO4 · 5H2O
H DickiteAl2(Si2O5)(OH)4
H GypsumCaSO4 · 2H2O
H KaoliniteAl2(Si2O5)(OH)4
H Limonite(Fe,O,OH,H2O)
H MalachiteCu2(CO3)(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
CCarbon
C DolomiteCaMg(CO3)2
C MagnesiteMgCO3
C MalachiteCu2(CO3)(OH)2
C RhodochrositeMnCO3
C StrontianiteSrCO3
OOxygen
O BaryteBaSO4
O ChalcanthiteCuSO4 · 5H2O
O DickiteAl2(Si2O5)(OH)4
O DolomiteCaMg(CO3)2
O FluorapatiteCa5(PO4)3F
O GypsumCaSO4 · 2H2O
O HematiteFe2O3
O KaoliniteAl2(Si2O5)(OH)4
O Limonite(Fe,O,OH,H2O)
O MagnesiteMgCO3
O MagnetiteFe2+Fe23+O4
O MalachiteCu2(CO3)(OH)2
O MicroclineK(AlSi3O8)
O MuscoviteKAl2(AlSi3O10)(OH)2
O OrthoclaseK(AlSi3O8)
O PyrolusiteMn4+O2
O QuartzSiO2
O RhodochrositeMnCO3
O RutileTiO2
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O StrontianiteSrCO3
FFluorine
F FluorapatiteCa5(PO4)3F
F FluoriteCaF2
MgMagnesium
Mg DolomiteCaMg(CO3)2
Mg MagnesiteMgCO3
AlAluminium
Al DickiteAl2(Si2O5)(OH)4
Al KaoliniteAl2(Si2O5)(OH)4
Al MicroclineK(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al OrthoclaseK(AlSi3O8)
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
SiSilicon
Si DickiteAl2(Si2O5)(OH)4
Si KaoliniteAl2(Si2O5)(OH)4
Si MicroclineK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si OrthoclaseK(AlSi3O8)
Si QuartzSiO2
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
PPhosphorus
P FluorapatiteCa5(PO4)3F
SSulfur
S AcanthiteAg2S
S AikinitePbCuBiS3
S ArsenopyriteFeAsS
S BaryteBaSO4
S BenjaminiteAg3Bi7S12
S BismuthiniteBi2S3
S BorniteCu5FeS4
S BuckhorniteAuPb2BiTe2S3
S ChalcanthiteCuSO4 · 5H2O
S ChalcociteCu2S
S ChalcopyriteCuFeS2
S CovelliteCuS
S DigeniteCu9S5
S FriedrichitePb5Cu5Bi7S18
S GalenaPbS
S GladitePbCuBi5S9
S GypsumCaSO4 · 2H2O
S KrupkaitePbCuBi3S6
S LindströmitePb3Cu3Bi7S15
S MarcasiteFeS2
S MolybdeniteMoS2
S PyrargyriteAg3SbS3
S PyriteFeS2
S PyrrhotiteFe7S8
S SphaleriteZnS
S StanniteCu2FeSnS4
S TennantiteCu6[Cu4(Fe,Zn)2]As4S13
S TetradymiteBi2Te2S
S TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
KPotassium
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
K OrthoclaseK(AlSi3O8)
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
CaCalcium
Ca DolomiteCaMg(CO3)2
Ca FluorapatiteCa5(PO4)3F
Ca FluoriteCaF2
Ca GypsumCaSO4 · 2H2O
TiTitanium
Ti RutileTiO2
MnManganese
Mn PyrolusiteMn4+O2
Mn RhodochrositeMnCO3
FeIron
Fe ArsenopyriteFeAsS
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe HematiteFe2O3
Fe Limonite(Fe,O,OH,H2O)
Fe MagnetiteFe2+Fe23+O4
Fe MarcasiteFeS2
Fe PyriteFeS2
Fe PyrrhotiteFe7S8
Fe StanniteCu2FeSnS4
Fe TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
NiNickel
Ni MeloniteNiTe2
CuCopper
Cu AikinitePbCuBiS3
Cu BorniteCu5FeS4
Cu ChalcanthiteCuSO4 · 5H2O
Cu ChalcociteCu2S
Cu ChalcopyriteCuFeS2
Cu CovelliteCuS
Cu DigeniteCu9S5
Cu FriedrichitePb5Cu5Bi7S18
Cu GladitePbCuBi5S9
Cu KrupkaitePbCuBi3S6
Cu LindströmitePb3Cu3Bi7S15
Cu MalachiteCu2(CO3)(OH)2
Cu StanniteCu2FeSnS4
Cu TennantiteCu6[Cu4(Fe,Zn)2]As4S13
Cu TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
ZnZinc
Zn SphaleriteZnS
Zn TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
AsArsenic
As ArsenopyriteFeAsS
As TennantiteCu6[Cu4(Fe,Zn)2]As4S13
SrStrontium
Sr StrontianiteSrCO3
MoMolybdenum
Mo MolybdeniteMoS2
AgSilver
Ag AcanthiteAg2S
Ag BenjaminiteAg3Bi7S12
Ag KrenneriteAu3AgTe8
Ag PetziteAg3AuTe2
Ag PyrargyriteAg3SbS3
Ag Sylvanite(Au,Ag)2Te4
SnTin
Sn StanniteCu2FeSnS4
SbAntimony
Sb PyrargyriteAg3SbS3
Sb TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
TeTellurium
Te BuckhorniteAuPb2BiTe2S3
Te CalaveriteAuTe2
Te ColoradoiteHgTe
Te KrenneriteAu3AgTe8
Te MeloniteNiTe2
Te PetziteAg3AuTe2
Te Sylvanite(Au,Ag)2Te4
Te TelluriumTe
Te TellurobismuthiteBi2Te3
Te TetradymiteBi2Te2S
BaBarium
Ba BaryteBaSO4
AuGold
Au BuckhorniteAuPb2BiTe2S3
Au CalaveriteAuTe2
Au GoldAu
Au KrenneriteAu3AgTe8
Au PetziteAg3AuTe2
Au Sylvanite(Au,Ag)2Te4
HgMercury
Hg ColoradoiteHgTe
PbLead
Pb AikinitePbCuBiS3
Pb BuckhorniteAuPb2BiTe2S3
Pb FriedrichitePb5Cu5Bi7S18
Pb GalenaPbS
Pb GladitePbCuBi5S9
Pb KrupkaitePbCuBi3S6
Pb LindströmitePb3Cu3Bi7S15
BiBismuth
Bi AikinitePbCuBiS3
Bi BenjaminiteAg3Bi7S12
Bi BismuthiniteBi2S3
Bi BuckhorniteAuPb2BiTe2S3
Bi FriedrichitePb5Cu5Bi7S18
Bi GladitePbCuBi5S9
Bi KrupkaitePbCuBi3S6
Bi LindströmitePb3Cu3Bi7S15
Bi TellurobismuthiteBi2Te3
Bi TetradymiteBi2Te2S

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]

Mesoproterozoic
1000 - 1600 Ma



ID: 2873173
LaHood Formation: locally includes Table Mountain and Moose Formations in Highland Mountains

Age: Mesoproterozoic (1000 - 1600 Ma)

Stratigraphic Name: LaHood Formation

Description: LaHood Formation: Dark gray, dark brown, reddish brown, coarse, arkosic conglomerate locally with very large clasts derived from crystalline metamorphic rocks. Grades from mega-clast conglomerate to shale or argillite over short distances. Thickness as much as 3,000 m (9,842 ft). In Highland Mountains - Table Mountain Formation: Very light gray quartzite and argillaceous quartzite. Thickness as much as 530 m (1,740 ft). Moose Formation: Silty argillite and siltite. Thickness as much as 90 m (295 ft).

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:{conglomerate,quartzite,argillite}, Minor:{metasiltstone,shale}

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]

Mesoproterozoic
1000 - 1600 Ma



ID: 2125839
Quartzite of Queener Mountain, quartzite along Skalkaho Creek, Spokane Formation, and Greyson Formation, undivided

Age: Mesoproterozoic (1000 - 1600 Ma)

Stratigraphic Name: Spokane Formation; Greyson Formation

Lithology: Major:: {600m(quartzite)| 1000m-(argillite, silty argillite, sandstone, siltstone)}; Minor:: {600m(siltite, argillite)|}

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]

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)
Winchell, Alexander Newton (1914), Mining Districts of the Dillon Quadrangle, Montana, and adjacent areas, USGS Bulletin 574, 191 pp.
Economic Geology (1985): 80: 1689-1706.
Economic Geology (1996): 91(3): 507-526.
Spry, P.G., Foster, F., Truckle, J.S., and Chadwick, T.H. (1997): The mineralogy of the Golden Sunlight gold-silver telluride deposit, Whitehall, Montana, USA. Mineralogy and Petrology 59, 143-164.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10148740.
U.S. Bureau of Mines Minerals Availability System/Mineral Industry Location System (MAS/MILS): file #0300430151.


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