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:
Kofford Ridge, Hog Heaven Mining District (Flathead Mining District), Flathead Co., Montana, USA


mindat Locality ID: 186083
mindat URL: http://www.mindat.org/loc-186083.html

Tectonic Settings:

Total number of sublocalities beneath "Kofford Ridge, Hog Heaven Mining District (Flathead Mining District), Flathead Co., Montana, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Battle Butte Mine (Margarita Mine)
Flathead Mine (Hog Heaven Project)

Latitude: 47°54'26"N
Longitude: 114°35'15"W
Decimal Degree (lat, lon): 47.907222222222,-114.5875
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 Bi Ca Cu Fe H K Na O Pb S Sb Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AcanthiteAluniteAramayoiteBaryteBournoniteChalcopyriteClayCorrensiteCovelliteEnargite
FeldsparGeocroniteKobelliteLillianiteMarcasiteMicaNonePyriteQuartzRocksalt
TridymiteWurtziteXanthoconite

28 IMA Minerals at location:
Acanthite  (*)Alunite  (*)Aramayoite  (*)Baryte  (*)Beudantite  (*)
Bornite  (*)Bournonite  (*)Chalcopyrite  (*)Covellite  (*)Enargite  (*)
Eskimoite  (*)Galena  (*)Geocronite  (*)Gustavite  (*)Jarosite  (*)
Jordanite  (*)Kalinite  (*)Kobellite  (*)Marcasite  (*)Matildite  (*)
Muscovite  (*)Proustite  (*)Pyrite  (*)Quartz  (*)Rectorite  (*)
Sanidine  (*)Tridymite  (*)Xanthoconite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S12281422793
Alunite  (*)NoneKAl3(SO4)2(OH)61228142966
Aramayoite  (*)AramayoiteAg3Sb2(Bi,Sb)S6122814229
Baryte  (*)BaryteBa(SO4)122814211547
Beudantite  (*)AlunitePbFe3+3(AsO4)(SO4)(OH)61228142413
Bornite  (*)NoneCu5FeS412281425516
Bournonite  (*)BournoniteCuPbSbS312281421089
Chalcopyrite  (*)ChalcopyriteCuFeS2122814227198
Covellite  (*)CovelliteCuS12281424165
Enargite  (*)Enargite WurtziteCu3AsS41228142910
Eskimoite  (*)LillianiteAg7Pb10Bi15S36122814220
Galena  (*)RocksaltPbS2228141,22814224243
Geocronite  (*)GeocronitePb14Sb6S231228142133
Gustavite  (*)LillianiteAgPbBi3S61228142113
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)612281422228
Jordanite  (*)GeocronitePb14As6S231228142105
Kalinite  (*)NoneKAl(SO4)2·11H2O122814254
Kobellite  (*)KobellitePb11(Cu,Fe)2(Bi,Sb)15S35122814287
Marcasite  (*)MarcasiteFeS212281425674
Matildite  (*)NoneAgBiS21228142252
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2122814217380
Proustite  (*)NoneAg3AsS31228142733
Pyrite  (*)PyriteFeS2122814239462
Quartz  (*)QuartzSiO2122814261156
Rectorite  (*)Corrensite Clay(Na,Ca)Al4(Si,Al)8O20(OH)4·2H2O122814249
Sanidine  (*)FeldsparK(AlSi3O8)1228142598
Tridymite  (*)TridymiteSiO21228142458
Xanthoconite  (*)XanthoconiteAg3AsS3122814289


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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