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:
Koyuk District, Nome Census Area, Alaska, USA


mindat Locality ID: 203099
mindat URL: http://www.mindat.org/loc-203099.html

Tectonic Settings:

Total number of sublocalities beneath "Koyuk District, Nome Census Area, Alaska, USA": 45
Total number of bottom-level sublocalities: 45

Number of Child Localities: 45
Child Localities:
Alameda Creek Prospect
Anzac Creek Occurrence
Bear Gulch Mine
Big Bar Prospect
Bonanza Creek Mine
Boulder Creek Prospect
Boulder Creek Prospect (Grouse Creek)
Boulder Creek; Death Valley Prospect
Camp Creek Prospect
Christmas Creek Prospect
Christmas Mountain Prospect
Clear Creek Occurrence
Cold Spring Occurrence
Dime Creek; Haycock; Dime Creek Dredging Co.; Dime Creek Mining Co.; Haycock Mining Co.; Moon And Ryan; Smith Mine
Eldorado Creek; Little Eldorado Creek Mine
Foster Prospect (in Headwaters Of Otter Creek)
Garryowen Creek? Prospect
Greenstone Creek Occurrence
Hopeful Gulch Prospect
June Creek Prospect
Lower Peace River Prospect
Lower Sweepstakes Creek; Eagle; Circle; Rampart And Fairbanks Claims; A. Johnson; Moon; W. Porter; J. Winder Mine
Moon Prospect
Otter Creek Prospect
Rock Creek Prospect
Rube Creek Mine
Spring Creek Prospect
Timber Creek Prospect
Ungalik River Mines
Unnamed Occurrence (ARDF - BN085; North Of The Tubutulik River)
Unnamed Occurrence (ARDF - BN086; Near Pass On Upper Nutmoyuk Creek)
Unnamed Occurrence (ARDF - BN092; Near Granite Creek)
Unnamed Occurrence (ARDF - BN093; Near Headwaters Of Granite Creek)
Unnamed Occurrence (ARDF - BN121; Copper Creek)
Unnamed Occurrence (ARDF - BN123; In Headwaters Of Nutmoyuk Creek)
Unnamed Occurrence (ARDF - BN124; In The Headwaters Of Nutmoyuk Creek)
Unnamed Occurrence (ARDF - NR003; South-southeast Of Koyuk)
Unnamed Occurrence (ARDF - SO038; Tributary To Clear Creek)
Unnamed Occurrence (ARDF - SO039; Tributary To Clear Creek)
Unnamed Occurrence (ARDF - SO040; Tributary To Clear Creek)
Unnamed Occurrence (ARDF - SO041; Tributary To Clear Creek)
Unnamed Occurrence (ARDF - SO042; Tributary To Clear Creek)
Unnamed Occurrence (ARDF - SO043; Tributary To Vulcan Creek)
Unnamed Occurrence (ARDF - SO044; On Rock Creek)
Upper Sweepstakes Creek Mine

Latitude: 65°4'18"N
Longitude: 161°40'42"W
Decimal Degree (lat, lon): 65.071666666667,-161.67833333333

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 Au Bi C Ca Cr Cu F Fe H Hg K Mg O P Pb Pt S Sb Si Sn Th Ti U W Zn Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ChalcopyriteClayClinozoisiteCopperCorundumEpidoteFluoriteGarnetMalachiteMeta-autunite
MicaNoneNot in a structural groupPyriteQuartzRocksaltRutileScheeliteSphaleriteSpinel
StibniteTitaniteTopazZircon

31 IMA Minerals at location:
Anatase  (*)Andradite  (*)Bismuthinite  (*)Cassiterite  (*)Chalcopyrite  (*)
Chromite  (*)Cinnabar  (*)Coffinite  (*)Dolomite  (*)Epidote  (*)
Fluorite  (*)Galena  (*)Gold  (*)Hematite  (*)Ilmenite  (*)
Kyanite  (*)Magnetite  (*)Malachite  (*)Meta-autunite  (*)Muscovite  (*)
Platinum  (*)Pyrite  (*)Quartz  (*)Scheelite  (*)Silver  (*)
Sphalerite  (*)Stibnite  (*)Thorianite  (*)Titanite  (*)Topaz  (*)
Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anatase  (*)Not in a structural groupTiO23131862,131866,1318672162
Andradite  (*)GarnetCa3Fe3+2(SiO4)311318491534
Bismuthinite  (*)StibniteBi2S311318421935
Cassiterite  (*)RutileSnO211318615171
Chalcopyrite  (*)ChalcopyriteCuFeS22131827,13185527198
Chromite  (*)SpinelFe2+Cr2O411318373902
Cinnabar  (*)NoneHgS11318522600
Coffinite  (*)ZirconU(SiO4)·nH2O1131831566
Dolomite  (*)NoneCaMg(CO3)211318579895
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)11318678173
Fluorite  (*)FluoriteCaF22131855,1318589617
Galena  (*)RocksaltPbS113185524243
Gold  (*)CopperAu14131824,131826,131828,131832,131833,131837,131838,131842,131844,131845,131849,131850,131852,13186830554
Hematite  (*)CorundumFe2O38131849,131852,131861,131862,131863,131865,131866,13186714640
Ilmenite  (*)CorundumFe2+Ti4+O35131828,131861,131862,131863,1318675433
Kyanite  (*)Not in a structural groupAl2OSiO411318671507
Magnetite  (*)SpinelFe2+Fe3+2O47131824,131828,131852,131862,131863,131865,13186614899
Malachite  (*)MalachiteCu2(CO3)(OH)24131827,131851,131854,13185712537
Meta-autunite  (*)Meta-autuniteCa(UO2)2(PO4)2·6H2O1131831388
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2113182717380
Platinum  (*)CopperPt5131826,131837,131841,131845,131849485
Pyrite  (*)PyriteFeS210131827,131828,131831,131842,131845,131852,131856,131858,131864,13186639462
Quartz  (*)QuartzSiO26131827,131828,131846,131854,131855,13185961156
Scheelite  (*)ScheeliteCa(WO4)5131828,131842,131852,131860,1318614894
Silver  (*)CopperAg2131842,1318525186
Sphalerite  (*)SphaleriteZnS2131831,13185521482
Stibnite  (*)StibniteSb2S33131828,131834,1318463418
Thorianite  (*)FluoriteThO23131825,131829,131848236
Titanite  (*)TitaniteCaTi(SiO4)O7131861,131862,131863,131864,131865,131866,1318674899
Topaz  (*)TopazAl2SiO4F25131861,131862,131864,131865,1318671476
Zircon  (*)ZirconZr(SiO4)3131849,131864,1318665251



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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