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:
Chichagof District, Hoonah-Angoon Census Area, Alaska, USA


mindat Locality ID: 203123
mindat URL: http://www.mindat.org/loc-203123.html

Tectonic Settings:

Total number of sublocalities beneath "Chichagof District, Hoonah-Angoon Census Area, Alaska, USA": 48
Total number of bottom-level sublocalities: 46

Number of Child Localities: 45
Child Localities:
3-J; Three J; 3 J Prospects
Apex-El Nido Mines
Baldy Prospect
Big Iron Prospect
Big Ledge Prospect
Cable Prospect
Camel Gypsum Prospect
Cann Creek Prospect
Cobol; Mine Mountain; Cobol North Mine
Columbine Group Prospect
Elk Prospect
Goldwin Mine
Gwinn Prospect
Gypsum Creek Prospect
Hoonah Prospect
Jay And Kathy B Prospect
Joanne Prospect
Kaiser Gypsum Mine
Lemesurier Island
Marvitz; Ibach Mine
Neka Prospect
Oso Prospect
Phonograph Prospect
Richard 1-4 Prospect
Saloma Prospect (Soloma?)
South-side Prospect
Stranger River Prospect
Unnamed Occurrence (ARDF - MF001; Inian Islands)
Unnamed Occurrence (ARDF - MF002; Northwest Part Of Yakobi Island)
Unnamed Occurrence (ARDF - SI015; North End Of Yakobi Island)
Unnamed Occurrence (ARDF - SI016; North End Of Yakobi Island)
Unnamed Occurrence (ARDF - SI052; Upper Kennel Creek)
Unnamed Occurrence (ARDF - SI053; North Of Columbia Point)
Unnamed Occurrence (ARDF - SI061; West Of East Point)
Unnamed Occurrences (ARDF - SI051; Logging Road; North Side Of Gypsum Creek)
Unnamed Prospect (ARDF - JU245; Near Hoonah)
Unnamed Prospect (ARDF - SI006; Southeast Of Mouth Of Stag Bay)
Unnamed Prospect (ARDF - SI007; Southeast Of Mouth Of Stag Bay)
Unnamed Prospect (ARDF - SI008; East Of Outer Squid Bay)
Unnamed Prospect (ARDF - SI023; Northeast Shore Of Upper Stag Bay)
Unnamed Prospect (ARDF - SI029; Southeast End Of Cub Mountain)
Unnamed Prospect (ARDF - SI032; Northeast Flank Of Mine Mountain)
Unnamed Prospect (ARDF - SI034; East Of Lake Elfendahl)
Yakobi Island
Yakobi Island; Miner Island Mine

Latitude: 57°56'15"N
Longitude: 135°56'14"W
Decimal Degree (lat, lon): 57.9375,-135.93722222222

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 Mg Mo Ni O Pb S Sb Si W Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ArsenopyriteCalciteChalcopyriteClayClinozoisiteCopperCorundumCovelliteEpidoteGypsum
MalachiteMolybdeniteNickelineNoneNot in a structural groupPalygorskitePentlanditePyritePyroxeneQuartz
RocksaltScheeliteSphaleriteSpinelTetrahedrite

22 IMA Minerals at location:
Anhydrite  (*)Arsenopyrite  (*)Calcite  (*)Chalcopyrite  (*)Covellite  (*)
Diopside  (*)Epidote  (*)Galena  (*)Gold  (*)Gypsum  (*)
Hematite  (*)Magnetite  (*)Malachite  (*)Molybdenite  (*)Palygorskite  (*)
Pentlandite  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Scheelite  (*)
Sphalerite  (*)Tetrahedrite-(Zn)  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anhydrite  (*)Not in a structural groupCa(SO4)11300621588
Arsenopyrite  (*)ArsenopyriteFeAsS3130046,130053,1300669052
Calcite  (*)CalciteCa(CO3)4130049,130064,130079,13008127770
Chalcopyrite  (*)ChalcopyriteCuFeS215130045,130046,130047,130049,130053,130056,130064,130079,130080,130081,130083,130084,130089,130091,13009227198
Covellite  (*)CovelliteCuS11300794165
Diopside  (*)PyroxeneCaMgSi2O611300814135
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)2130081,1300838173
Galena  (*)RocksaltPbS5130046,130053,130066,130080,13008924243
Gold  (*)CopperAu11130046,130052,130056,130066,130072,130073,130082,130086,130087,130088,13009230554
Gypsum  (*)GypsumCa(SO4)·2H2O3130051,130062,1300706890
Hematite  (*)CorundumFe2O32130047,13007914640
Magnetite  (*)SpinelFe2+Fe3+2O45130047,130074,130083,130084,13009114899
Malachite  (*)MalachiteCu2(CO3)(OH)2113007912537
Molybdenite  (*)MolybdeniteMoS22130045,1300645800
Palygorskite  (*)Palygorskite Clay(Mg,Al)2Si4O10(OH)·4H2O1130065306
Pentlandite  (*)Pentlandite(Ni,Fe)9S82130049,1300911512
Pyrite  (*)PyriteFeS211130046,130049,130053,130056,130066,130080,130081,130083,130085,130089,13009139462
Pyrrhotite  (*)NickelineFe7S87130047,130049,130053,130069,130081,130085,1300919056
Quartz  (*)QuartzSiO218130046,130047,130049,130053,130054,130056,130064,130066,130067,130072,130076,130077,130083,130086,130087,130088,130089,13009261156
Scheelite  (*)ScheeliteCa(WO4)11300464894
Sphalerite  (*)SphaleriteZnS6130046,130049,130050,130053,130080,13008921482
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S1311300465317



No ages have been assigned to this locality yet.

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