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:
Silver Bow Park, East Ridge, Butte Mining District (Summit Valley Mining District), Silver Bow Co., Montana, USA

Oldest recorded age at locality: 64
Youngest recorded age at locality: 57

mindat Locality ID: 229077
mindat URL: http://www.mindat.org/loc-229077.html

Tectonic Settings:

Total number of sublocalities beneath "Silver Bow Park, East Ridge, Butte Mining District (Summit Valley Mining District), Silver Bow Co., Montana, USA": 7
Total number of bottom-level sublocalities: 7

Number of Child Localities: 7
Child Localities:
Altona Mine
Bertha Mine
Bullwhacker Pit (Bullwhacker Mine)
Clinton Mine
Colleen Bawn Mine
Continental Pit (Continental East Pit; East Berkeley Pit)
Ida Mine

Latitude: 46°0'21"N
Longitude: 112°28'52"W
Decimal Degree (lat, lon): 46.005833333333,-112.48111111111

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: Al As C Ca Cu F Fe H K Mg Mn Mo O P Pb S Sb Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneAluniteAndalusiteAragoniteCalciteChalcopyriteChloriteClayCopperCorundum
CovelliteDiasporeDigeniteEnargiteFluoriteGypsumKaoliniteMalachiteMicaMolybdenite
NoneNot in a structural groupPyritePyrophylliteQuartzRhodoniteRocksaltScheeliteSphaleriteSpinel
TetrahedriteWurtzite

40 IMA Minerals at location:
Alunite  (*)Anhydrite  (*)Azurite  (*)Bornite  (*)Cerussite  (*)
Chalcocite  (*)Chalcopyrite  (*)Chamosite  (*)Chrysocolla  (*)Copper  (*)
Cornwallite  (*)Covellite  (*)Cuprite  (*)Digenite  (*)Enargite  (*)
Fluorite  (*)Galena  (*)Goethite  (*)Gypsum  (*)Hematite  (*)
Hydrozincite  (*)Jarosite  (*)Kaolinite  (*)Libethenite  (*)Magnetite  (*)
Malachite  (*)Molybdenite  (*)Muscovite  (*)Powellite  (*)Pyrite  (*)
Pyrophyllite  (*)Quartz  (*)Rhodochrosite  (*)Rhodonite  (*)Siderite  (*)
Smithsonite  (*)Sphalerite  (*)Tennantite-(Fe)  (*)Tenorite  (*)Tetrahedrite-(Zn)  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Alunite  (*)NoneKAl3(SO4)2(OH)664571233825966
Anhydrite  (*)Not in a structural groupCa(SO4)645712338251588
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)264572233822,2338255509
Bornite  (*)NoneCu5FeS4645712338255516
Cerussite  (*)AragonitePb(CO3)645712338254979
Chalcocite  (*)NoneCu2S64574233820,233823,233825,2338265707
Chalcopyrite  (*)ChalcopyriteCuFeS264573233820,233821,23382527198
Chamosite  (*)Chlorite Clay(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)81233822577
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O64573233821,233822,2338253531
Copper  (*)CopperCu64572233822,2338253846
Cornwallite  (*)NoneCu5(AsO4)2(OH)464571233825175
Covellite  (*)CovelliteCuS645712338254165
Cuprite  (*)Not in a structural groupCu2O64573233821,233822,2338252970
Digenite  (*)DigeniteCu1.8S645712338251027
Enargite  (*)Enargite WurtziteCu3AsS464571233825910
Fluorite  (*)FluoriteCaF2645712338259617
Galena  (*)RocksaltPbS64572233825,23382624243
Goethite  (*)DiasporeFeO(OH)645712338257437
Gypsum  (*)GypsumCa(SO4)·2H2O645712338256890
Hematite  (*)CorundumFe2O36457123382514640
Hydrozincite  (*)NoneZn5(CO3)2(OH)6645712338251066
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)6645712338252228
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)4645712338255591
Libethenite  (*)AndalusiteCu2(PO4)(OH)64571233825234
Magnetite  (*)SpinelFe2+Fe3+2O46457123382514899
Malachite  (*)MalachiteCu2(CO3)(OH)264573233821,233822,23382512537
Molybdenite  (*)MolybdeniteMoS264573233820,233825,2338265800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)26457123382517380
Powellite  (*)ScheeliteCa(MoO4)64571233825494
Pyrite  (*)PyriteFeS264574233820,233824,233825,23382639462
Pyrophyllite  (*)Clay PyrophylliteAl2Si4O10(OH)264571233825771
Quartz  (*)QuartzSiO264576233820,233821,233823,233824,233825,23382661156
Rhodochrosite  (*)CalciteMn(CO3)64572233823,2338251711
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)1233826969
Siderite  (*)CalciteFe(CO3)645712338256417
Smithsonite  (*)CalciteZn(CO3)645712338252473
Sphalerite  (*)SphaleriteZnS64572233825,23382621482
Tennantite-(Fe)  (*)TetrahedriteCu6(Cu4Fe2)As4S13645712338251803
Tenorite  (*)NoneCuO64573233821,233822,2338251101
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S1364573233823,233825,2338265317



1 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
PorphCu-00137645764–57      Alunite, Bornite, Cerussite, Chalcopyrite, Copper, Covellite, Enargite, Fluorite, Galena, Jarosite, Kaolinite, Magnetite, Molybdenite, Powellite, Pyrite, Pyrophyllite, Rhodochrosite, Siderite, SphaleriteCu107252Continental Pit (Continental East Pit; East Berkeley Pit), Silver Bow Park, East Ridge, Butte Mining District (Summit Valley Mining District), Silver Bow Co., Montana, USAContinental/ButteSinger et al. (2008) USGSOFR2008_1155 


SampleSource LocalityReference URL


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