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:
Boulder, Boulder District, Boulder Batholith, Jefferson Co., Montana, USA


mindat Locality ID: 251268
mindat URL: http://www.mindat.org/loc-251268.html

Tectonic Settings:

Total number of sublocalities beneath "Boulder, Boulder District, Boulder Batholith, Jefferson Co., Montana, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Free Enterprise Mine (Silver Bell)

Latitude: 46°15'19"N
Longitude: 112°8'55"W
Decimal Degree (lat, lon): 46.255277777778,-112.14861111111
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 Ba Ca Cu Fe H K Mg Mo Na Nb O P Pb S Sb Si U Y 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AcanthiteAmphiboleArsenopyriteAutuniteBaryteChalcopyriteClayColumbiteCopperFeldspar
FluoriteKaoliniteMicaMolybdeniteNonePyriteQuartzRocksalt

22 IMA Minerals at location:
Acanthite  (*)Albite  (*)Anorthite  (*)Arsenopyrite  (*)Autunite  (*)
Baryte  (*)Chalcopyrite  (*)Galena  (*)Kaolinite  (*)Magnesio-hornblende  (*)
Metatorbernite  (*)Molybdenite  (*)Muscovite  (*)Orthoclase  (*)Pyrargyrite  (*)
Pyrite  (*)Quartz  (*)Samarskite-(Y)  (*)Silver  (*)Uraninite  (*)
Uranophane-α  (*)Zeunerite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S12290762793
Albite  (*)FeldsparNa(AlSi3O8)12290768803
Anorthite  (*)FeldsparCa(Al2Si2O8)12290761036
Arsenopyrite  (*)ArsenopyriteFeAsS12290769052
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O12290761272
Baryte  (*)BaryteBa(SO4)122907611547
Chalcopyrite  (*)ChalcopyriteCuFeS2122907627198
Galena  (*)RocksaltPbS122907624243
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)412290765591
Magnesio-hornblende  (*)Amphibole   Ca2(Mg4Al)(Si7Al)O22(OH)21229076238
Metatorbernite  (*)NoneCu(UO2)2(PO4)2·8H2O1229076443
Molybdenite  (*)MolybdeniteMoS212290765800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2122907617380
Orthoclase  (*)FeldsparK(AlSi3O8)12290762349
Pyrargyrite  (*)NoneAg3SbS312290761425
Pyrite  (*)PyriteFeS2122907639462
Quartz  (*)QuartzSiO2122907661156
Samarskite-(Y)  (*)ColumbiteYFe3+Nb2O81229076353
Silver  (*)CopperAg12290765186
Uraninite  (*)FluoriteUO212290762718
Uranophane-α  (*)NoneCa(UO2)2(SiO3OH)2·5H2O1229076890
Zeunerite  (*)AutuniteCu(UO2)2(AsO4)2·12H2O1229076185


No ages have been assigned to this locality yet.
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