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:
York Range, Seward Peninsula, Nome Census Area, Alaska, USA

Oldest recorded age at locality: 74.7
Youngest recorded age at locality: 71.5

mindat Locality ID: 283319
mindat URL: http://www.mindat.org/loc-283319.html

Tectonic Settings:

Total number of sublocalities beneath "York Range, Seward Peninsula, Nome Census Area, Alaska, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Ear Mountain

Latitude: 65°55'0"N
Longitude: 166°15'"W
Decimal Degree (lat, lon): 65.916666666667,-166.25
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 B Ca F Fe Mg O S Si Sn Ti Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ArsenopyriteCorundumDumortieriteFluoriteHulsiteLudwigiteNickelineNonePyriteQuartz
RutileSpinelZircon

15 IMA Minerals at location:
Arsenopyrite  (*)Cassiterite  (*)Dumortierite  (*)Fluorite  (*)Hulsite  (*)
Ilmenite  (*)Ludwigite  (*)Magnetite  (*)Nordenskiöldine  (*)Pyrite  (*)
Pyrrhotite  (*)Quartz  (*)Rutile  (*)Vonsenite  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Arsenopyrite  (*)ArsenopyriteFeAsS74.771.511323339052
Cassiterite  (*)RutileSnO274.771.511323335171
Dumortierite  (*)DumortieriteAlAl6BSi3O1874.771.51132333231
Fluorite  (*)FluoriteCaF274.771.511323339617
Hulsite  (*)HulsiteFe2+2Fe3+O2(BO3)74.771.5113233315
Ilmenite  (*)CorundumFe2+Ti4+O374.771.511323335433
Ludwigite  (*)LudwigiteMg2Fe3+O2(BO3)74.771.51132333134
Magnetite  (*)SpinelFe2+Fe3+2O474.771.5113233314899
Nordenskiöldine  (*)NoneCaSn(BO3)274.771.5113233316
Pyrite  (*)PyriteFeS274.771.5113233339462
Pyrrhotite  (*)NickelineFe7S874.771.511323339056
Quartz  (*)QuartzSiO274.771.5113233361156
Rutile  (*)RutileTiO274.771.511323335614
Vonsenite  (*)LudwigiteFe2+2Fe3+O2(BO3)74.771.5113233362
Zircon  (*)ZirconZr(SiO4)74.771.511323335251


3 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
USGS-Rb-Sr-0553374.771.573.1±1.6Rb-Srage of intrusionwhole rock     69237Ear Mountain, York Range, Seward Peninsula, Nome Census Area, Alaska, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-0553474.771.573.1±1.6Rb-Srage of intrusionwhole rock     69237Ear Mountain, York Range, Seward Peninsula, Nome Census Area, Alaska, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-0553574.771.573.1±1.6Rb-Srage of intrusionwhole rock     69237Ear Mountain, York Range, Seward Peninsula, Nome Census Area, Alaska, USA USGS-Rb-Sr USGS-Rb-Sr 

SampleSource LocalityReference URL

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