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:
Anchorage District, Matanuska-Susitna Borough, Alaska, USA

Oldest recorded age at locality: 164
Youngest recorded age at locality: 164

mindat Locality ID: 203091
mindat URL: http://www.mindat.org/loc-203091.html

Tectonic Settings:

Total number of sublocalities beneath "Anchorage District, Matanuska-Susitna Borough, Alaska, USA": 11
Total number of bottom-level sublocalities: 11

Number of Child Localities: 11
Child Localities:
Eklutna Tunnel Occurrence
Fall Creek Occurrence
Glacier Fork; Knik River - Glacier Fork Occurrence
Highway Prospect
Jim Creek Occurrence
Jim Lake Occurrence
McRoberts Creek Occurrence
Metal Creek Occurrences
Metal Creek; Sumner And Andrulli Mine
Pioneer Creek Prospect
Unnamed Occurrence (ARDF - AN090)

Latitude: 61°32'0"N
Longitude: 148°47'40"W
Decimal Degree (lat, lon): 61.533333333333,-148.79444444444
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 As Au C Ca Cr Cu Fe Hg O Pb Pt S Si W Zn Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ArsenopyriteCalciteChalcopyriteCopperNickelineNonePyriteQuartzRocksaltScheelite
SphaleriteSpinelZircon

17 IMA Minerals at location:
Arsenopyrite  (*)Calcite  (*)Chalcopyrite  (*)Chromite  (*)Cinnabar  (*)
Copper  (*)Galena  (*)Gold  (*)Magnetite  (*)Platinum  (*)
Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Scheelite  (*)Silver  (*)
Sphalerite  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Arsenopyrite  (*)ArsenopyriteFeAsS11310429052
Calcite  (*)CalciteCa(CO3)113104227770
Chalcopyrite  (*)ChalcopyriteCuFeS22131040,13104227198
Chromite  (*)SpinelFe2+Cr2O41641642131041,1310473902
Cinnabar  (*)NoneHgS2131038,1310442600
Copper  (*)CopperCu16416411310413846
Galena  (*)RocksaltPbS113104824243
Gold  (*)CopperAu1641642131041,13104630554
Magnetite  (*)SpinelFe2+Fe3+2O42131044,13104814899
Platinum  (*)CopperPt1131046485
Pyrite  (*)PyriteFeS23131044,131045,13104839462
Pyrrhotite  (*)NickelineFe7S82131040,1310429056
Quartz  (*)QuartzSiO23131040,131042,13104561156
Scheelite  (*)ScheeliteCa(WO4)5131039,131040,131043,131044,1310464894
Silver  (*)CopperAg11310465186
Sphalerite  (*)SphaleriteZnS113104221482
Zircon  (*)ZirconZr(SiO4)11310485251


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
podchrome-00892164164Jurassic       Cr197974Highway Prospect, Anchorage District, Matanuska-Susitna Borough, Alaska, USAHighwayMoiser et al. (2012) USGSSIR2012_5157 
podchrome-00890164164Jurassic       Cr199396Pioneer Creek Prospect, Anchorage District, Matanuska-Susitna Borough, Alaska, USAPioneer Creek 38Moiser et al. (2012) USGSSIR2012_5157 
podchrome-00891164164Jurassic       Cr199396Pioneer Creek Prospect, Anchorage District, Matanuska-Susitna Borough, Alaska, USAPioneer Creek 39Moiser et al. (2012) USGSSIR2012_5157 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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