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:
Green Monster Mountain, Prince Of Wales Island, Ketchikan District, Prince Of Wales-Hyder Census Area, Alaska, USA

Oldest recorded age at locality: 145
Youngest recorded age at locality: 100

mindat Locality ID: 5835
mindat URL: http://www.mindat.org/loc-5835.html

Tectonic Settings:

Total number of sublocalities beneath "Green Monster Mountain, Prince Of Wales Island, Ketchikan District, Prince Of Wales-Hyder Census Area, Alaska, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Rex Prospect (Idela Prospect)

Latitude: 55°14'16"N
Longitude: 132°31'28"W
Decimal Degree (lat, lon): 55.237777777778,-132.52444444444

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 Au C Ca Cu Fe H K Mg Mn O S Si Ti Zn 

Elements from minerals reported directly at this locality: Al Au C Ca Cu Fe H K Mg Mn O S Si Ti 

Structural Groups for minerals in this locality: 
AllophaneAmphiboleCalciteChalcopyriteClayClinozoisiteCopperCorundumDiasporeEpidote
FeldsparGarnetMalachiteMicaNickelineNoneNot in a structural groupPyritePyroxeneQuartz
RhodoniteSphaleriteSpinelTitanite

22 IMA Minerals at location:
Actinolite  (*)Calcite  (*)Chalcopyrite  (*)Chrysocolla  (*)Clintonite  (*)
Diopside  (*)Epidote  (*)Goethite  (*)Gold  (*)Grossular  (*)
Hematite  (*)Hercynite  (*)Laumontite  (*)Magnetite  (*)Malachite  (*)
Orthoclase  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Rhodonite  (*)
Sphalerite  (*)Titanite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)214510003419
Calcite  (*)CalciteCa(CO3)145100027770
Chalcopyrite  (*)ChalcopyriteCuFeS2105105113313727198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O14510003531
Clintonite  (*)Mica ClayCaAlMg2(SiAl3O10)(OH)2145100086
Diopside  (*)PyroxeneCaMgSi2O610510511331374135
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)10510511331378173
Goethite  (*)DiasporeFeO(OH)14510007437
Gold  (*)CopperAu145100030554
Grossular  (*)GarnetCa3Al2(SiO4)314510001544
Hematite  (*)CorundumFe2O3145100014640
Hercynite  (*)SpinelFe2+Al2O41451000407
Laumontite  (*)Not in a structural groupCaAl2Si4O12·4H2O14510001271
Magnetite  (*)SpinelFe2+Fe3+2O4105105113313714899
Malachite  (*)MalachiteCu2(CO3)(OH)2145100012537
Orthoclase  (*)FeldsparK(AlSi3O8)14510002349
Pyrite  (*)PyriteFeS2145100039462
Pyrrhotite  (*)NickelineFe7S814510009056
Quartz  (*)QuartzSiO2145100061156
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)1451000969
Sphalerite  (*)SphaleriteZnS105105113313721482
Titanite  (*)TitaniteCaTi(SiO4)O14510004899



2 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
Mo-00051105105      YesMolybdeniteMo3290Prince Of Wales Island, Ketchikan District, Prince Of Wales-Hyder Census Area, Alaska, USAPrince of Wales IslandG. Gehrels; personal communications   
MR35_383-001145100Lower Cretaceous        5835Green Monster Mountain, Prince Of Wales Island, Ketchikan District, Prince Of Wales-Hyder Census Area, Alaska, USAGreen Monster MountainToland (2004) MR35_383 


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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