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:
Midas; Granby Consolidated Mining; Smelting And Power Co. Mine, Prince William Sound District, Valdez-Cordova Census Area, Alaska, USA

Oldest recorded age at locality: 80
Youngest recorded age at locality: 80

mindat Locality ID: 187991
mindat URL: http://www.mindat.org/loc-187991.html

Tectonic Settings: Backarc Environment

Total number of sublocalities beneath "Midas; Granby Consolidated Mining; Smelting And Power Co. Mine, Prince William Sound District, Valdez-Cordova Census Area, Alaska, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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 Cu Fe H K O Pb S Si Zn 

Elements from minerals reported directly at this locality: Al As Cu Fe H K O Pb S Si Zn 

Structural Groups for minerals in this locality: 
ArsenopyriteChalcopyriteClayCubaniteMarcasiteMicaNickelineNonePyriteQuartz
RocksaltSphaleriteWurtzite

10 IMA Minerals at location:
Arsenopyrite  (*)Chalcopyrite  (*)Cubanite  (*)Galena  (*)Marcasite  (*)
Muscovite  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Sphalerite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Arsenopyrite  (*)ArsenopyriteFeAsS808009052
Chalcopyrite  (*)ChalcopyriteCuFeS28080027198
Cubanite  (*)Cubanite WurtziteCuFe2S380800802
Galena  (*)RocksaltPbS8080024243
Marcasite  (*)MarcasiteFeS2808005674
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)28080017380
Pyrite  (*)PyriteFeS28080039462
Pyrrhotite  (*)NickelineFe7S8808009056
Quartz  (*)QuartzSiO28080061156
Sphalerite  (*)SphaleriteZnS8080021482



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
vms-009958080Upper Cretaceous       S187991Midas; Granby Consolidated Mining; Smelting And Power Co. Mine, Prince William Sound District, Valdez-Cordova Census Area, Alaska, USAMidasMoiser et al. (2009) USGSOFR2009_1034 


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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