Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Georgetown Mining District (Southern Cross Mining District; Cable Mining District), Deer Lodge Co., Montana, USA


mindat Locality ID: 44118
mindat URL: http://www.mindat.org/loc-44118.html

Tectonic Settings:

Total number of sublocalities beneath "Georgetown Mining District (Southern Cross Mining District; Cable Mining District), Deer Lodge Co., Montana, USA": 29
Total number of bottom-level sublocalities: 29

Number of Child Localities: 29
Child Localities:
Apex Mine
Atlantic Cable Mine (Cable Mine)
Black Moon Claim
Boca Placer Claim
Cable Placer
Champaign Lode Claim
Daly Placer Mine
Georgetown Placers
Holdfast-Shortshift Mine (Goldenwedg Mine)
Honorah G. Occurrence
Luxemborg Mine
McKay Adit
Minnehaha & Horseshoe Group
Montana Mine
North Atlantic Occurrence
Ontario Mine
Oro Fino Mine
Orphan Boy Mine
Paregon Placer Claim
Pomeroy Mine
Pyrenees Mine
Pyrite Mine (MRDS - 10269833)
Reliance Claim (Reliance Mine)
Revenue Mine
Southern Cross Mine
Twilight Mine
Unnamed Gold & Silver Occurrence (MRDS - 10245745)
Unnamed Gold Occurrence (MRDS - 10173198)
War Eagle Claim (War Eagle Mine)

Latitude: 46°12'7"N
Longitude: 113°13'44"W
Decimal Degree (lat, lon): 46.201944444444,-113.22888888889

AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Ag Al As Au B Ba Bi C Ca Cu Fe H Mg O Pb S Sb Si Te Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AcanthiteAllophaneAmphiboleArsenopyriteBaryteCalciteChalcopyriteClinozoisiteCopperCorundum
EpidoteGarnetLudwigiteMalachiteMarcasiteNickelineNoneNot in a structural groupPyriteQuartz
RocksaltSphaleriteSpinelTetradymiteTetrahedriteWollastonite

31 IMA Minerals at location:
Acanthite  (*)Actinolite  (*)Arsenopyrite  (*)Azurite  (*)Baryte  (*)
Bornite  (*)Calcite  (*)Chalcocite  (*)Chalcopyrite  (*)Chrysocolla  (*)
Copper  (*)Cuprite  (*)Dolomite  (*)Epidote  (*)Galena  (*)
Gold  (*)Grossular  (*)Hematite  (*)Ludwigite  (*)Magnetite  (*)
Malachite  (*)Marcasite  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)
Siderite  (*)Sphalerite  (*)Tennantite-(Fe)  (*)Tetradymite  (*)Tetrahedrite-(Zn)  (*)
Wollastonite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S2227766,2277892793
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)212277663419
Arsenopyrite  (*)ArsenopyriteFeAsS12277669052
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)22227766,2277785509
Baryte  (*)BaryteBa(SO4)122778011547
Bornite  (*)NoneCu5FeS412277665516
Calcite  (*)CalciteCa(CO3)4227766,227775,227778,22778927770
Chalcocite  (*)NoneCu2S12277665707
Chalcopyrite  (*)ChalcopyriteCuFeS26227766,227773,227781,227782,227785,22778927198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O2227766,2277893531
Copper  (*)CopperCu12277663846
Cuprite  (*)Not in a structural groupCu2O12277662970
Dolomite  (*)NoneCaMg(CO3)212277669895
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)12277668173
Galena  (*)RocksaltPbS2227766,22778024243
Gold  (*)CopperAu17227766,227767,227768,227769,227771,227772,227773,227775,227778,227781,227782,227783,227785,227788,227789,227790,22779330554
Grossular  (*)GarnetCa3Al2(SiO4)312277661544
Hematite  (*)CorundumFe2O34227766,227781,227789,22779014640
Ludwigite  (*)LudwigiteMg2Fe3+O2(BO3)1227784134
Magnetite  (*)SpinelFe2+Fe3+2O46227766,227773,227781,227782,227784,22778914899
Malachite  (*)MalachiteCu2(CO3)(OH)24227766,227778,227785,22778912537
Marcasite  (*)MarcasiteFeS212277665674
Pyrite  (*)PyriteFeS210227766,227767,227773,227775,227778,227781,227782,227785,227789,22779039462
Pyrrhotite  (*)NickelineFe7S85227766,227773,227781,227782,2277899056
Quartz  (*)QuartzSiO211227766,227767,227773,227775,227778,227781,227782,227785,227789,227790,22779361156
Siderite  (*)CalciteFe(CO3)12277666417
Sphalerite  (*)SphaleriteZnS122776621482
Tennantite-(Fe)  (*)TetrahedriteCu6(Cu4Fe2)As4S1312277891803
Tetradymite  (*)TetradymiteBi2Te2S1227766510
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S132227778,2277805317
Wollastonite  (*)WollastoniteCaSiO312277661247



No ages have been assigned to this locality yet.

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All locality data graciously provided by mindat.org

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