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:
Redoubt District, Kenai Peninsula Borough, Alaska, USA

Oldest recorded age at locality: 190
Youngest recorded age at locality: 190

mindat Locality ID: 203081
mindat URL: http://www.mindat.org/loc-203081.html

Tectonic Settings:

Total number of sublocalities beneath "Redoubt District, Kenai Peninsula Borough, Alaska, USA": 36
Total number of bottom-level sublocalities: 35

Number of Child Localities: 35
Child Localities:
Augustine Island
Chenik Mountain; Pan American Petroleum Corp. Prospect
Copper King; Keyes; Black Prince; Grubstakers Incorporated Prospect
Crevice Creek; McNeil; Sargent Prospect (also Holly And Others; Okchiak Creek; Reward-Ridgway; Cook & Bornland)
Difficult Creek Occurrence
Double Glacier Occurrence
Johnson River Prospect
Johnson; Johnson River Prospect
Kamishak Prospect (Painted River)
Kamishak River Occurrence
Neacola River Occurrence
Pass Lake Occurrence
Phoenix Prospect
Unnamed Occurrence (ARDF - IL013; East Of Iniskin River)
Unnamed Occurrence (ARDF - IL014; East Of Upper Iniskin Bay)
Unnamed Occurrence (ARDF - IL016; East-southeast Of Summit Lakes)
Unnamed Occurrence (ARDF - IL019; West Of Williamsport)
Unnamed Occurrence (ARDF - IL025; Summit Of The Cone)
Unnamed Occurrence (ARDF - IL026; Head Of Ursus Cove)
Unnamed Occurrence (ARDF - IL027; Southwest Of The Cone)
Unnamed Occurrence (ARDF - IL041; At Pilot Knob)
Unnamed Occurrence (ARDF - IL044; Headwater Area Of Middle And South Forks Of Paint River)
Unnamed Occurrence (ARDF - IL045; East Of Lakes At Head Of Lake Fork)
Unnamed Occurrence (ARDF - LH029; Upper Chilligan River)
Unnamed Occurrence (ARDF - LH034; Southeast Of Merrill Pass)
Unnamed Occurrence (ARDF - LH035; North Of Neacola River)
Unnamed Occurrences (ARDF - IL012; Near Marsh Creek)
Unnamed Prospect (ARDF - IL039; In Locally-named Sargent Creek)
Unnamed Prospect (ARDF - IL040; At Head Of Locally Named Sargent Creek; Possibly McNeil No. 7 Claim)
Unnamed Prospect (ARDF - IL042; Northwest Of Upper Paint River)
Unnamed Prospect (ARDF - IL046; East Of Head Of Lake Fork Of Paint River)
Unnamed Prospect (ARDF - IL048; East Of The Head Of Lake Fork Of Paint River)
Unnamed Prospect (ARDF - IL049; East Of Seven Sisters)
Unnamed Prospect (ARDF - IL051; On Peninsula South Of Bruin Bay)
West Chilligan Occurrence

Latitude: 59°47'29"N
Longitude: 153°48'38"W
Decimal Degree (lat, lon): 59.791388888889,-153.81055555556

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 Ba C Ca Cu Fe H K Mg Mo Na O Pb S Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneAmphiboleAphthitaliteBaryteCalciteChalcopyriteClayClinozoisiteCopperCorundum
EpidoteGypsumMalachiteMarcasiteMicaMolybdeniteNickelineNoneNot in a structural groupPyrite
QuartzRocksaltSmectite-vermiculiteSphaleriteSpinel

25 IMA Minerals at location:
Actinolite  (*)Anhydrite  (*)Aphthitalite  (*)Azurite  (*)Baryte  (*)
Bornite  (*)Calcite  (*)Celadonite  (*)Chalcopyrite  (*)Chrysocolla  (*)
Epidote  (*)Galena  (*)Gold  (*)Gypsum  (*)Hematite  (*)
Magnetite  (*)Malachite  (*)Marcasite  (*)Molybdenite  (*)Montmorillonite  (*)
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
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)22130633,1306593419
Anhydrite  (*)Not in a structural groupCa(SO4)1901903130634,130636,1306371588
Aphthitalite  (*)AphthitaliteK3Na(SO4)2113062977
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)26130632,130633,130640,130656,130657,1306595509
Baryte  (*)BaryteBa(SO4)1901904130634,130635,130636,13063711547
Bornite  (*)NoneCu5FeS42130638,1306405516
Calcite  (*)CalciteCa(CO3)1901906130633,130634,130635,130636,130657,13065927770
Celadonite  (*)Mica ClayKMgFe3+Si4O10(OH)21901901130636309
Chalcopyrite  (*)ChalcopyriteCuFeS219019012130632,130633,130634,130636,130637,130638,130641,130656,130657,130659,130660,13066427198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O2130633,1306593531
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)4130632,130633,130657,1306598173
Galena  (*)RocksaltPbS1901905130636,130637,130653,130654,13066424243
Gold  (*)CopperAu1901904130634,130635,130636,13063730554
Gypsum  (*)GypsumCa(SO4)·2H2O11306356890
Hematite  (*)CorundumFe2O3190190113063614640
Magnetite  (*)SpinelFe2+Fe3+2O418130631,130632,130633,130638,130642,130644,130646,130647,130649,130650,130651,130656,130657,130658,130659,130660,130661,13066214899
Malachite  (*)MalachiteCu2(CO3)(OH)28130632,130633,130638,130645,130656,130657,130659,13066012537
Marcasite  (*)MarcasiteFeS211306325674
Molybdenite  (*)MolybdeniteMoS25130640,130641,130654,130655,1306645800
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O19019011306361508
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)21901904130636,130637,130653,13066417380
Pyrite  (*)PyriteFeS219019014130632,130633,130634,130635,130636,130637,130638,130641,130653,130654,130659,130660,130663,13066439462
Pyrrhotite  (*)NickelineFe7S82130632,1306419056
Quartz  (*)QuartzSiO219019014130632,130633,130634,130635,130636,130640,130653,130654,130657,130658,130659,130660,130661,13066461156
Sphalerite  (*)SphaleriteZnS1901909130634,130635,130636,130637,130641,130653,130654,130663,13066421482



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-00993190190Lower Jurassic       S195712Johnson River Prospect, Redoubt District, Kenai Peninsula Borough, Alaska, USAJohnson River ProspectMoiser et al. (2009) USGSOFR2009_1034 


SampleSource LocalityReference URL


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