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:
Hughes District, Yukon-Koyukuk Census Area, Alaska, USA


mindat Locality ID: 203160
mindat URL: http://www.mindat.org/loc-203160.html

Tectonic Settings:

Total number of sublocalities beneath "Hughes District, Yukon-Koyukuk Census Area, Alaska, USA": 30
Total number of bottom-level sublocalities: 30

Number of Child Localities: 30
Child Localities:
Black Creek Mine
Black Creek Occurrence (lode)
Boston Ridge Prospect
Discovery Creek Occurrence
Flat Creek; Indian River Prospects
Florence Bar Mines
Hogatza; Hog River; Bear Creek Mine
Hughes Bar Mine
Indian River; Felix Fork; Snyder Creek Mine
Indian RiverTrend; IRT; IR Prospects
Pocahontas Creek Prospects
Red Mountain Mine
Unnamed Occurrence (ARDF - HU009; Ridge Between Bear And Clear Creeks)
Unnamed Occurrence (ARDF - HU010; Northeast Ridge Of Caribou Mountain)
Unnamed Occurrence (ARDF - HU011; Northeast Ridge Of Caribou Mountain)
Unnamed Occurrence (ARDF - HU013; Head Of Dry Creek)
Unnamed Occurrence (ARDF - HU015; South Of Upper Caribou Creek)
Unnamed Occurrence (ARDF - HU016; In Zane Hills; South Of Upper Caribou Creek)
Unnamed Occurrence (ARDF - HU017; Near Red Mountain Creek)
Unnamed Occurrence (ARDF - HU023; Lode On Indian River)
Unnamed Occurrence (ARDF - HU025; Near Indian River)
Unnamed Occurrence (ARDF - HU026; South Of Indian Mountain)
Unnamed Occurrence (ARDF - MZ001; 'Batza Slough')
Unnamed Occurrence (ARDF - MZ005; Upper Utopia Creek); Whiz-Bang
Unnamed Occurrence (ARDF - MZ019; South Side Of Dulbi River)
Unnamed Occurrences (ARDF - MZ002; Southwest Of Sun Mountain)
Unnamed Occurrences (ARDF - MZ008; Southwest Of Hochandochtla Mountain)
Unnamed Occurrences (ARDF - MZ012; South Of Dulbatna Mountain)
Unnamed Prospect (ARDF - HU012; East Of Caribou Mountain)
Utopia Creek Mine

Latitude: 66°0'59"N
Longitude: 154°40'32"W
Decimal Degree (lat, lon): 66.016388888889,-154.67555555556

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 Ba C Ca Cu F Fe H K Mg Mo O Pb S Sb Si Th Ti Zn Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AragoniteArsenopyriteBaryteChalcopyriteClayClinozoisiteCopperCorundumCovelliteEpidote
FluoriteGypsumMalachiteMicaMolybdeniteNickelineNoneNot in a structural groupPyriteQuartz
RocksaltSphaleriteSpinelStibniteTetrahedriteTitaniteZircon

28 IMA Minerals at location:
Anhydrite  (*)Arsenopyrite  (*)Azurite  (*)Baryte  (*)Cerussite  (*)
Chalcopyrite  (*)Covellite  (*)Dolomite  (*)Epidote  (*)Fluorite  (*)
Galena  (*)Gold  (*)Gypsum  (*)Hematite  (*)Magnetite  (*)
Malachite  (*)Molybdenite  (*)Muscovite  (*)Pyrite  (*)Pyrrhotite  (*)
Quartz  (*)Sphalerite  (*)Stibnite  (*)Tetrahedrite-(Zn)  (*)Thorianite  (*)
Thorite  (*)Titanite  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anhydrite  (*)Not in a structural groupCa(SO4)11352201588
Arsenopyrite  (*)ArsenopyriteFeAsS2135212,1352349052
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)211352375509
Baryte  (*)BaryteBa(SO4)2135220,13523411547
Cerussite  (*)AragonitePb(CO3)11352334979
Chalcopyrite  (*)ChalcopyriteCuFeS26135212,135220,135231,135236,135237,13523927198
Covellite  (*)CovelliteCuS11352394165
Dolomite  (*)NoneCaMg(CO3)211352349895
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)2135217,1352348173
Fluorite  (*)FluoriteCaF211352139617
Galena  (*)RocksaltPbS2135233,13523424243
Gold  (*)CopperAu13135211,135212,135214,135215,135216,135217,135218,135219,135221,135222,135229,135231,13524030554
Gypsum  (*)GypsumCa(SO4)·2H2O11352206890
Hematite  (*)CorundumFe2O3113522014640
Magnetite  (*)SpinelFe2+Fe3+2O43135213,135214,13522114899
Malachite  (*)MalachiteCu2(CO3)(OH)24135233,135234,135236,13523712537
Molybdenite  (*)MolybdeniteMoS22135230,1352395800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2113522017380
Pyrite  (*)PyriteFeS212135212,135220,135226,135227,135229,135231,135232,135234,135236,135237,135238,13523939462
Pyrrhotite  (*)NickelineFe7S811352129056
Quartz  (*)QuartzSiO211135212,135220,135223,135224,135226,135227,135232,135234,135237,135238,13523961156
Sphalerite  (*)SphaleriteZnS2135231,13523421482
Stibnite  (*)StibniteSb2S311352343418
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S132135231,1352345317
Thorianite  (*)FluoriteThO23135217,135225,135228236
Thorite  (*)ZirconTh(SiO4)2135225,1352281006
Titanite  (*)TitaniteCaTi(SiO4)O3135217,135225,1352284899
Zircon  (*)ZirconZr(SiO4)3135217,135225,1352285251



No ages have been assigned to this locality yet.

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