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:
Peak Deposit, Southeast Fairbanks Census Area, Alaska, USA


mindat Locality ID: 289558
mindat URL: http://www.mindat.org/loc-289558.html

Tectonic Settings:

Total number of sublocalities beneath "Peak Deposit, Southeast Fairbanks Census Area, Alaska, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 63°10'21"N
Longitude: 142°50'1"W
Decimal Degree (lat, lon): 63.1725,-142.83361111111
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 Cd Cu Fe H Mg Na Ni O Pb S Sb Si Sn Te 

Elements from minerals reported directly at this locality: Ag Al As Au Bi C Ca Cd Cu Fe H Mg Na Ni O Pb S Sb Si Sn Te 

Structural Groups for minerals in this locality: 
AmphiboleArsenicArsenopyriteCalciteChalcopyriteCopperGarnetNickelineNoneNot in a structural group
PyriteQuartzRocksaltRutileTetradymiteUllmanniteWurtzite

23 IMA Minerals at location:
Andradite  (*)Arsenopyrite  (*)Bismuth  (*)Breithauptite  (*)Calcite  (*)
Cassiterite  (*)Chalcopyrite  (*)Ferro-actinolite  (*)Ferro-edenite  (*)Ferro-hornblende  (*)
Galena  (*)Gold  (*)Greenockite  (*)Hastingsite  (*)Hedleyite  (*)
Jonassonite  (*)Joséite-A  (*)Maldonite  (*)Pyrargyrite  (*)Pyrite  (*)
Pyrrhotite  (*)Quartz  (*)Ullmannite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Andradite  (*)GarnetCa3Fe3+2(SiO4)301534
Arsenopyrite  (*)ArsenopyriteFeAsS09052
Bismuth  (*)ArsenicBi01966
Breithauptite  (*)NickelineNiSb0175
Calcite  (*)CalciteCa(CO3)027770
Cassiterite  (*)RutileSnO205171
Chalcopyrite  (*)ChalcopyriteCuFeS2027198
Ferro-actinolite  (*)Amphibole   Ca2(Mg2.5-0.0Fe2+2.5-5.0)Si8O22(OH)20129
Ferro-edenite  (*)AmphiboleNaCa2Fe2+5(Si7Al)O22(OH)2057
Ferro-hornblende  (*)Amphibole   Ca2(Fe2+4Al)(Si7Al)O22(OH)20271
Galena  (*)RocksaltPbS024243
Gold  (*)CopperAu030554
Greenockite  (*)WurtziteCdS0717
Hastingsite  (*)AmphiboleNaCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)20209
Hedleyite  (*)TetradymiteBi7Te30104
Jonassonite  (*)Not in a structural groupAu(Bi,Pb)5S4019
Joséite-A  (*)TetradymiteBi4TeS2050
Maldonite  (*)NoneAu2Bi088
Pyrargyrite  (*)NoneAg3SbS301425
Pyrite  (*)PyriteFeS2039462
Pyrrhotite  (*)NickelineFe7S809056
Quartz  (*)QuartzSiO2061156
Ullmannite  (*)UllmanniteNiSbS0293


No ages have been assigned to this locality yet.
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