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:
Aleutians District, Aleutians West Census Area, Alaska, USA


mindat Locality ID: 203053
mindat URL: http://www.mindat.org/loc-203053.html

Tectonic Settings:

Total number of sublocalities beneath "Aleutians District, Aleutians West Census Area, Alaska, USA": 43
Total number of bottom-level sublocalities: 37

Number of Child Localities: 37
Child Localities:
Amaknak Island Occurrence
Andrew Lake Occurrence
Bay Of Islands Occurrence
Beyer Bay Occurrence
Blind Cove Occurrence
Boat Harbor Occurrence
Bornite Lake Prospect
Boulder Bay Occurrence
Finger Bay Occurrence
Humpback Bay Occurrence
Kisselem Bay Occurrence
Mak North Prospect
Makushin River Occurrence
Makushin Valley NC Occurrence
Makushin Valley Prospect
Makushin Valley SE Occurrence
Mid Vein Occurrence
Misty Mountain Occurrence
Mount Coxcomb Prospect
Mt. Aspid Occurrence
Nateekin River Occurrence
Pumicestone Bay Prospect
Royal Dutch Occurrence
Ruby Mine Mine
Sedanka Island; Biorka Prospect
Sweeper Cove Occurrence
Tanaskan Bay Occurrence
Tarasof Point Occurrence
Unnamed Occurrence (ARDF - AD006)
Unnamed Occurrence (ARDF - AD008)
Unnamed Occurrence (ARDF - AD009)
Unnamed Occurrence (ARDF - UK006; East Of Mt. Recheshnoi)
Unnamed Occurrence (ARDF - UN020)
Unnamed Occurrence (ARDF - UN021)
Unnamed Occurrence (ARDF - UN025)
Unnamed Occurrence (ARDF - UN026)
Wide Bay Occurrence

Latitude: 53°13'43"N
Longitude: 169°27'54"W
Decimal Degree (lat, lon): 53.228611111111,-169.465

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 Cu Fe H K O Pb S Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ArsenopyriteChalcopyriteClayClinozoisiteCopperCorundumEpidoteMicaNonePyrite
QuartzRocksaltSphaleriteSpinel

12 IMA Minerals at location:
Ankerite  (*)Arsenopyrite  (*)Chalcopyrite  (*)Epidote  (*)Galena  (*)
Gold  (*)Hematite  (*)Magnetite  (*)Muscovite  (*)Pyrite  (*)
Quartz  (*)Sphalerite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)211288853092
Arsenopyrite  (*)ArsenopyriteFeAsS11288779052
Chalcopyrite  (*)ChalcopyriteCuFeS211128862,128878,128879,128881,128884,128885,128889,128895,128896,128897,12889927198
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)8128862,128865,128874,128881,128889,128890,128893,1288988173
Galena  (*)RocksaltPbS4128862,128881,128885,12888624243
Gold  (*)CopperAu9128857,128871,128874,128876,128877,128882,128884,128885,12889430554
Hematite  (*)CorundumFe2O3112888114640
Magnetite  (*)SpinelFe2+Fe3+2O45128873,128875,128881,128895,12889614899
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2112887817380
Pyrite  (*)PyriteFeS228128857,128859,128860,128861,128864,128865,128867,128870,128871,128872,128873,128874,128875,128878,128879,128880,128881,128884,128885,128886,128889,128890,128894,128895,128896,128897,128898,12889939462
Quartz  (*)QuartzSiO217128857,128859,128860,128861,128862,128864,128866,128871,128874,128877,128878,128884,128885,128886,128891,128893,12889461156
Sphalerite  (*)SphaleriteZnS4128862,128881,128885,12888621482



No ages have been assigned to this locality yet.

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All locality data graciously provided by mindat.org

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