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


mindat Locality ID: 203171
mindat URL: http://www.mindat.org/loc-203171.html

Tectonic Settings:

Total number of sublocalities beneath "Tolovana District, Yukon-Koyukuk Census Area, Alaska, USA": 32
Total number of bottom-level sublocalities: 32

Number of Child Localities: 32
Child Localities:
Amy Creek Mine
Ester Creek Mine
Franklin Creek Mine
Gertrude Creek Mine
Glen Gulch Mine
Griffin Prospect
Hudson; Sunshine No. 2 Mine
Lillian Creek Mine
Lillian Creek Prospect
Livengood Creek Mines
Livengood; Old Smoky; Ruth Creek; Lillian Creek Prospect
Lucille Creek Prospect
Lucky Creek Mine (also Known As Goodluck Creek)
Myrtle Creek Mine
Nome Creek Area; Sumner Creek Mine
Nome Creek Mine
Old Smoky Prospect
Olive Creek Mine
Ophir Creek Mine
Parker Occurrence
Ruth Creek Mine
Ruth Creek Prospect
Sawtooth Mountain
Sawtooth Mountain Mine
Shorty Creek Prospect
Steel Creek Occurrence
Trail Creek Prospect
Unnamed Mine (ARDF - LG022; Upper Livengood Creek)
Unnamed Occurrence (ARDF - CI085)
Unnamed Occurrence (ARDF - LG025; Near Amy Dome)
Unnamed Prospect (ARDF - CI079)
Wilbur Creek Mine

Latitude: 65°29'40"N
Longitude: 148°12'54"W
Decimal Degree (lat, lon): 65.494444444444,-148.215
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 Cr Cu F Fe H Hg K Mg Mo Ni O S Sb Si Sn W 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AndalusiteArsenopyriteCalciteChalcopyriteClayCopperFluoriteMicaMolybdeniteNickeline
NonePentlanditePyriteQuartzRutileScheeliteSpinelStibniteTalcTopaz

21 IMA Minerals at location:
Andalusite  (*)Arsenopyrite  (*)Calcite  (*)Cassiterite  (*)Chalcopyrite  (*)
Chromite  (*)Cinnabar  (*)Fluorite  (*)Gold  (*)Molybdenite  (*)
Muscovite  (*)Pentlandite  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)
Scheelite  (*)Scorodite  (*)Spinel  (*)Stibnite  (*)Talc  (*)
Topaz  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Andalusite  (*)AndalusiteAl2SiO511361321310
Arsenopyrite  (*)ArsenopyriteFeAsS2136120,1361319052
Calcite  (*)CalciteCa(CO3)113612027770
Cassiterite  (*)RutileSnO23136119,136122,1361245171
Chalcopyrite  (*)ChalcopyriteCuFeS2113614027198
Chromite  (*)SpinelFe2+Cr2O49136110,136115,136117,136121,136122,136127,136129,136130,1361313902
Cinnabar  (*)NoneHgS9136111,136116,136117,136118,136120,136122,136127,136130,1361392600
Fluorite  (*)FluoriteCaF211361409617
Gold  (*)CopperAu23136110,136111,136112,136113,136114,136115,136116,136117,136118,136119,136120,136121,136122,136123,136124,136125,136126,136127,136128,136130,136131,136133,13614130554
Molybdenite  (*)MolybdeniteMoS211361405800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2113614017380
Pentlandite  (*)Pentlandite(Ni,Fe)9S811361151512
Pyrite  (*)PyriteFeS24136115,136120,136131,13614039462
Pyrrhotite  (*)NickelineFe7S811361389056
Quartz  (*)QuartzSiO23136120,136139,13614061156
Scheelite  (*)ScheeliteCa(WO4)6136117,136119,136124,136127,136130,1361384894
Scorodite  (*)NoneFe3+(AsO4)·2H2O2136118,1361201153
Spinel  (*)SpinelMgAl2O411361291934
Stibnite  (*)StibniteSb2S39136110,136117,136118,136120,136124,136126,136130,136133,1361373418
Talc  (*)Clay TalcMg3Si4O10(OH)211361203337
Topaz  (*)TopazAl2SiO4F211361401476


No ages have been assigned to this locality yet.
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