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:
Elkhorn, Elkhorn Mining District, Jefferson Co., Montana, USA


mindat Locality ID: 48407
mindat URL: http://www.mindat.org/loc-48407.html

Tectonic Settings:

Total number of sublocalities beneath "Elkhorn, Elkhorn Mining District, Jefferson Co., Montana, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Elkhorn Mine (Holter)
Keene Mine

Latitude: 46°17'24"N
Longitude: 111°53'17"W
Decimal Degree (lat, lon): 46.29,-111.88805555556
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 Bi C Ca Cl Cu Fe H Mg Mn O Pb S Sb Si Te V Zn 

Elements from minerals reported directly at this locality: Bi Ca Fe Mg O S Si 

Structural Groups for minerals in this locality: 
AllophaneApatiteAragoniteBaryteBournoniteCalciteChalcopyriteCopperCovelliteDescloizite
LinariteMalachiteNickelineNoneNot in a structural groupPyritePyroxeneQuartzRocksaltRutile
SphaleriteSpinelStibniteTetradymiteTetrahedrite

35 IMA Minerals at location:
Anglesite  (*)Aragonite  (*)Aurichalcite  (*)Azurite  (*)Bismuthinite  (*)
Bournonite  (*)Calcite  (*)Cerussite  (*)Chalcopyrite  (*)Chlorargyrite  (*)
Chrysocolla  (*)Copper  (*)Covellite  (*)Cuprite  (*)Descloizite  (*)
Diopside  (*)Dolomite  (*)Galena  (*)Gold  (*)Hemimorphite  (*)
Linarite  (*)Magnetite  (*)Malachite  (*)Mimetite  (*)Pyrite  (*)
Pyrolusite  (*)Pyrrhotite  (*)Quartz  (*)Rosasite  (*)Silver  (*)
Smithsonite  (*)Sphalerite  (*)Tetradymite  (*)Tetrahedrite-(Zn)  (*)Vanadinite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anglesite  (*)BarytePb(SO4)12294462734
Aragonite  (*)AragoniteCa(CO3)12294463250
Aurichalcite  (*)None(Zn,Cu)5(CO3)2(OH)61229446919
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)212294465509
Bismuthinite  (*)StibniteBi2S301935
Bournonite  (*)BournoniteCuPbSbS312294461089
Calcite  (*)CalciteCa(CO3)122944627770
Cerussite  (*)AragonitePb(CO3)12294464979
Chalcopyrite  (*)ChalcopyriteCuFeS2122944627198
Chlorargyrite  (*)RocksaltAgCl12294461382
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O12294463531
Copper  (*)CopperCu12294463846
Covellite  (*)CovelliteCuS12294464165
Cuprite  (*)Not in a structural groupCu2O12294462970
Descloizite  (*)DescloizitePbZn(VO4)(OH)1229446378
Diopside  (*)PyroxeneCaMgSi2O604135
Dolomite  (*)NoneCaMg(CO3)212294469895
Galena  (*)RocksaltPbS2229446,22944724243
Gold  (*)CopperAu122944730554
Hemimorphite  (*)Not in a structural groupZn4(Si2O7)(OH)2·H2O12294461689
Linarite  (*)LinariteCuPb(SO4)(OH)21229446987
Magnetite  (*)SpinelFe2+Fe3+2O4014899
Malachite  (*)MalachiteCu2(CO3)(OH)22229446,22944712537
Mimetite  (*)ApatitePb5(AsO4)3Cl12294461107
Pyrite  (*)PyriteFeS22229446,22944739462
Pyrolusite  (*)RutileMnO212294463106
Pyrrhotite  (*)NickelineFe7S812294469056
Quartz  (*)QuartzSiO22229446,22944761156
Rosasite  (*)MalachiteCuZn(CO3)(OH)21229446454
Silver  (*)CopperAg12294465186
Smithsonite  (*)CalciteZn(CO3)12294462473
Sphalerite  (*)SphaleriteZnS122944621482
Tetradymite  (*)TetradymiteBi2Te2S1229446510
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S1312294465317
Vanadinite  (*)ApatitePb5(VO4)3Cl1229446605


No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

All age data...

Other copyright data...