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:
Bristol Bay Region District, Dillingham Census Area, Alaska, USA


mindat Locality ID: 203069
mindat URL: http://www.mindat.org/loc-203069.html

Tectonic Settings:

Total number of sublocalities beneath "Bristol Bay Region District, Dillingham Census Area, Alaska, USA": 33
Total number of bottom-level sublocalities: 31

Number of Child Localities: 31
Child Localities:
Aleknagik
D Block Prospect
Elva Lake Occurrence
Hagemeister Strait Occurrence (north Of Tongue Point)
Keefer Creek Occurrence
Kemuk Prospect
King Salmon River Occurrence
Koktalee River Occurrence (Koktuli)
Lake Aleknagik Occurrence
Little Togiak Lake Occurrence
Lone Mountain Occurrence
McGeary Creek Occurrence
Mulchatna River Occurrence
Silver Horn Occurrence
Stuyahok River Occurrence
Sunshine Valley Occurrence
Togiak Bay Occurrence
Unnamed Mine (ARDF - GO009; Tributary To Upper Trail Creek)
Unnamed Occurrence (ARDF - DI004; Muklung Hills Area)
Unnamed Occurrence (ARDF - DI006; Northeast Of Muklung Hills)
Unnamed Occurrence (ARDF - DI010; Between Arms Of Lake Nerka)
Unnamed Occurrence (ARDF - GO001; Southwest Of Sunshine Valley)
Unnamed Occurrence (ARDF - GO004; Northwest Of Rainbow Basin)
Unnamed Occurrence (ARDF - GO005; Between Togiak River And Ongivinuck River)
Unnamed Occurrence (ARDF - GO006; West Of Togiak Lake)
Unnamed Occurrence (ARDF - GO007; West Of Kemuk River)
Unnamed Occurrence (ARDF - GO010; Tributary To Trail Creek)
Unnamed Occurrence (ARDF - GO014; West Bank Of Togiak River)
Unnamed Occurrence (ARDF - TA013; Tikchik Mountain Area)
Unnamed Prospect (ARDF - TA022; South Of King Salmon River)
Upper Trail Creek Mine

Latitude: 59°40'40"N
Longitude: 158°37'47"W
Decimal Degree (lat, lon): 59.677777777778,-158.62972222222

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 Au C Ca Cu Fe H Hg Mg O S Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ArsenopyriteCalciteChalcopyriteClayCopperCorundumKaoliniteMalachiteNonePyrite
QuartzSphaleriteSpinel

14 IMA Minerals at location:
Arsenopyrite  (*)Calcite  (*)Chalcopyrite  (*)Cinnabar  (*)Dickite  (*)
Dolomite  (*)Gold  (*)Hematite  (*)Magnetite  (*)Malachite  (*)
Pyrite  (*)Quartz  (*)Scorodite  (*)Sphalerite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Arsenopyrite  (*)ArsenopyriteFeAsS3129548,129552,1295559052
Calcite  (*)CalciteCa(CO3)112952627770
Chalcopyrite  (*)ChalcopyriteCuFeS22129550,12955327198
Cinnabar  (*)NoneHgS11295262600
Dickite  (*)Clay KaoliniteAl2Si2O5(OH)41129526651
Dolomite  (*)NoneCaMg(CO3)211295269895
Gold  (*)CopperAu15129528,129529,129530,129532,129533,129538,129540,129541,129542,129543,129544,129545,129546,129554,12955630554
Hematite  (*)CorundumFe2O3112952614640
Magnetite  (*)SpinelFe2+Fe3+2O4112953114899
Malachite  (*)MalachiteCu2(CO3)(OH)22129550,12955512537
Pyrite  (*)PyriteFeS27129535,129536,129547,129548,129551,129552,12955339462
Quartz  (*)QuartzSiO210129526,129536,129547,129548,129549,129550,129551,129552,129553,12955561156
Scorodite  (*)NoneFe3+(AsO4)·2H2O11295551153
Sphalerite  (*)SphaleriteZnS112955321482



No ages have been assigned to this locality yet.

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