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:
Marshall District, Kusilvak Census Area, Alaska, USA


mindat Locality ID: 203148
mindat URL: http://www.mindat.org/loc-203148.html

Tectonic Settings:

Total number of sublocalities beneath "Marshall District, Kusilvak Census Area, Alaska, USA": 10
Total number of bottom-level sublocalities: 10

Number of Child Localities: 10
Child Localities:
Arnold Prospect
Bobtail Creek Mine
Buster Creek Mine
Disappointment Creek Mine
Edgar Creek Prospect
Elephant Creek Mine
Kako Prospect
Montezuma Creek Mine
Willow Creek Mine
Wilson Creek Mine (including Happy Creek)

Latitude: 61°52'33"N
Longitude: 161°41'48"W
Decimal Degree (lat, lon): 61.875833333333,-161.69666666667
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 Hg K Mo O Pb Pt S Si Sn Ti W 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AluniteArsenopyriteBaryteCalciteChalcopyriteClayCopperCorundumMalachiteMica
MolybdeniteNickelineNonePyriteQuartzRocksaltRutileScheeliteSpinel

21 IMA Minerals at location:
Anglesite  (*)Arsenopyrite  (*)Calcite  (*)Cassiterite  (*)Chalcopyrite  (*)
Cinnabar  (*)Galena  (*)Gold  (*)Hematite  (*)Ilmenite  (*)
Jarosite  (*)Magnetite  (*)Malachite  (*)Molybdenite  (*)Muscovite  (*)
Platinum  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Scheelite  (*)
Siderite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anglesite  (*)BarytePb(SO4)11308802734
Arsenopyrite  (*)ArsenopyriteFeAsS11308829052
Calcite  (*)CalciteCa(CO3)113088027770
Cassiterite  (*)RutileSnO211308825171
Chalcopyrite  (*)ChalcopyriteCuFeS2113088027198
Cinnabar  (*)NoneHgS2130881,1308822600
Galena  (*)RocksaltPbS113088024243
Gold  (*)CopperAu10130880,130881,130882,130883,130884,130885,130886,130887,130888,13088930554
Hematite  (*)CorundumFe2O34130880,130883,130888,13088914640
Ilmenite  (*)CorundumFe2+Ti4+O32130882,1308885433
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)611308862228
Magnetite  (*)SpinelFe2+Fe3+2O45130880,130882,130883,130888,13088914899
Malachite  (*)MalachiteCu2(CO3)(OH)2113088012537
Molybdenite  (*)MolybdeniteMoS211308805800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2113088617380
Platinum  (*)CopperPt3130883,130888,130889485
Pyrite  (*)PyriteFeS2113088039462
Pyrrhotite  (*)NickelineFe7S811308809056
Quartz  (*)QuartzSiO23130880,130884,13088661156
Scheelite  (*)ScheeliteCa(WO4)3130880,130882,1308854894
Siderite  (*)CalciteFe(CO3)11308806417


No ages have been assigned to this locality yet.
SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

All age data...

Other copyright data...