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:
Larsen Ridge; Lucky 13 Prospect, Goodpaster District, Southeast Fairbanks Census Area, Alaska, USA

Oldest recorded age at locality: 109
Youngest recorded age at locality: 107

mindat Locality ID: 198452
mindat URL: http://www.mindat.org/loc-198452.html

Tectonic Settings:

Total number of sublocalities beneath "Larsen Ridge; Lucky 13 Prospect, Goodpaster District, Southeast Fairbanks Census Area, Alaska, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 64°14'22"N
Longitude: 143°53'31"W
Decimal Degree (lat, lon): 64.239444444444,-143.89194444444

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 Ca Cu Fe H Mo O Pb S Si W Zn 

Elements from minerals reported directly at this locality: Al Ca Cu Fe H Mo O Pb S Si W Zn 

Structural Groups for minerals in this locality: 
ChalcopyriteClinozoisiteEpidoteMolybdeniteNickelineNonePyriteQuartzRocksaltScheelite
SphaleriteSpinel

11 IMA Minerals at location:
Chalcopyrite  (*)Epidote  (*)Galena  (*)Magnetite  (*)Molybdenite  (*)
Powellite  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Scheelite  (*)
Sphalerite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Chalcopyrite  (*)ChalcopyriteCuFeS2109107027198
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)10910708173
Galena  (*)RocksaltPbS109107024243
Magnetite  (*)SpinelFe2+Fe3+2O4109107014899
Molybdenite  (*)MolybdeniteMoS210910705800
Powellite  (*)ScheeliteCa(MoO4)1091070494
Pyrite  (*)PyriteFeS2109107039462
Pyrrhotite  (*)NickelineFe7S810910709056
Quartz  (*)QuartzSiO2109107061156
Scheelite  (*)ScheeliteCa(WO4)10910704894
Sphalerite  (*)SphaleriteZnS109107021482



1 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
Bradley_2012_013109107108±1U/Pb monazite  Yes  203137Goodpaster District, Southeast Fairbanks Census Area, Alaska, USA[Goodpaster Min. Dist]McCauley and Bradley (2014)10.3749/canmin.52.2.183CM52_183 


SampleSource LocalityReference URL


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