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Iditarod District, Yukon-Koyukuk Borough, Alaska, USA

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Detailed Mineral List:


'Allanite Group'
Formula: {A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
Anatase
Formula: TiO2
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
'commodity:Antimony'
Formula: Sb
Localities: Reported from at least 48 localities in this region.
Argentopyrite
Formula: AgFe2S3
'commodity:Arsenic'
Formula: As
Localities: Reported from at least 71 localities in this region.
Arsenopyrite
Formula: FeAsS
Localities: Reported from at least 19 localities in this region.
'Axinite Group'
Localities: Reported from at least 8 localities in this region.
'commodity:Barite (Barytes)'
Baryte
Formula: BaSO4
'commodity:Beryllium'
Formula: Be
'Biotite'
'commodity:Bismuth'
Formula: Bi
Localities: Reported from at least 20 localities in this region.
'commodity:Boron'
Formula: B
Boulangerite
Formula: Pb5Sb4S11
'commodity:Cadmium'
Formula: Cd
Localities: Reported from at least 12 localities in this region.
Calcite
Formula: CaCO3
Cassiterite
Formula: SnO2
Localities: Reported from at least 9 localities in this region.
Chalcopyrite
Formula: CuFeS2
Localities: Reported from at least 10 localities in this region.
'Chlorite Group'
Chromite
Formula: Fe2+Cr3+2O4
Localities: Reported from at least 18 localities in this region.
'commodity:Chromium'
Formula: Cr
Localities: Reported from at least 15 localities in this region.
Cinnabar
Formula: HgS
Localities: Reported from at least 30 localities in this region.
'commodity:Copper'
Formula: Cu
Localities: Reported from at least 21 localities in this region.
'Crossite'
Diaphorite
Formula: Ag3Pb2Sb3S8
Dolomite
Formula: CaMg(CO3)2
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ferberite
Formula: FeWO4
Fluorapatite
Formula: Ca5(PO4)3F
Fluorite
Formula: CaF2
Galena
Formula: PbS
Localities: Reported from at least 7 localities in this region.
'Garnet Group'
Formula: X3Z2(SiO4)3
Goethite
Formula: α-Fe3+O(OH)
Gold
Formula: Au
Localities: Reported from at least 34 localities in this region.
Gold
Formula: Au
Localities: Reported from at least 34 localities in this region.
Gold
Formula: Au
Localities: Reported from at least 34 localities in this region.
Gold
Formula: Au
Localities: Reported from at least 34 localities in this region.
Gold
Formula: Au
Localities: Reported from at least 34 localities in this region.
Gold
Formula: Au
Localities: Reported from at least 34 localities in this region.
Gold
Formula: Au
Localities: Reported from at least 34 localities in this region.
Gold
Formula: Au
Localities: Reported from at least 34 localities in this region.
Gold
Formula: Au
Localities: Reported from at least 34 localities in this region.
Gold
Formula: Au
Localities: Reported from at least 34 localities in this region.
Gold
Formula: Au
Localities: Reported from at least 34 localities in this region.
Gold
Formula: Au
Localities: Reported from at least 34 localities in this region.
Gold
Formula: Au
Localities: Reported from at least 34 localities in this region.
Gold
Formula: Au
Localities: Reported from at least 34 localities in this region.
Gold
Formula: Au
Localities: Reported from at least 34 localities in this region.
Gold
Formula: Au
Localities: Reported from at least 34 localities in this region.
Gold
Formula: Au
Localities: Reported from at least 34 localities in this region.
'commodity:Gold'
Formula: Au
Localities: Reported from at least 26 localities in this region.
'commodity:Gold'
Formula: Au
Localities: Reported from at least 26 localities in this region.
'commodity:Gold'
Formula: Au
Localities: Reported from at least 26 localities in this region.
'commodity:Gold'
Formula: Au
Localities: Reported from at least 26 localities in this region.
'commodity:Gold'
Formula: Au
Localities: Reported from at least 26 localities in this region.
'commodity:Gold'
Formula: Au
Localities: Reported from at least 26 localities in this region.
'commodity:Gold'
Formula: Au
Localities: Reported from at least 26 localities in this region.
'commodity:Gold'
Formula: Au
Localities: Reported from at least 26 localities in this region.
'commodity:Gold'
Formula: Au
Localities: Reported from at least 26 localities in this region.
'commodity:Gold'
Formula: Au
Localities: Reported from at least 26 localities in this region.
'commodity:Gold'
Formula: Au
Localities: Reported from at least 26 localities in this region.
'commodity:Gold'
Formula: Au
Localities: Reported from at least 26 localities in this region.
'commodity:Gold'
Formula: Au
Localities: Reported from at least 26 localities in this region.
'commodity:Gold'
Formula: Au
Localities: Reported from at least 26 localities in this region.
'commodity:Gold'
Formula: Au
Localities: Reported from at least 26 localities in this region.
'commodity:Gold'
Formula: Au
Localities: Reported from at least 26 localities in this region.
'commodity:Gold'
Formula: Au
Hematite
Formula: Fe2O3
Localities: Reported from at least 7 localities in this region.
Hidalgoite
Formula: PbAl3(AsO4)(SO4)(OH)6
Ilmenite
Formula: Fe2+TiO3
Localities: Reported from at least 14 localities in this region.
'commodity:Iron'
Formula: Fe
Localities: Reported from at least 7 localities in this region.
Jamesonite
Formula: Pb4FeSb6S14
Kermesite
Formula: Sb2S2O
'commodity:Lead'
Formula: Pb
Localities: Reported from at least 24 localities in this region.
'Limonite'
Formula: (Fe,O,OH,H2O)
Localities: Reported from at least 26 localities in this region.
Magnesiochromite
Formula: MgCr2O4
Magnetite
Formula: Fe2+Fe3+2O4
Localities: Reported from at least 13 localities in this region.
'commodity:Manganese'
Formula: Mn
'Mariposite'
Formula: K(Al,Cr)2(Al,Si)4O10(OH)2
Mercury
Formula: Hg
'commodity:Mercury'
Formula: Hg
Localities: Reported from at least 73 localities in this region.
'commodity:Mercury'
Formula: Hg
Localities: Reported from at least 73 localities in this region.
Molybdenite
Formula: MoS2
'commodity:Molybdenum'
Formula: Mo
'Monazite'
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Localities: Reported from at least 10 localities in this region.
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Localities: Reported from at least 10 localities in this region.
'commodity:Nickel'
Formula: Ni
'commodity:Niobium (Columbium)'
Formula: Nb
'Phengite'
Formula: KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
'commodity:Platinum'
Formula: Pt
Polybasite
Formula: [(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
'Porphyry'
Pyrite
Formula: FeS2
Localities: Reported from at least 20 localities in this region.
Pyrite var: Arsenian Pyrite
Formula: FeS2
Pyrolusite
Formula: Mn4+O2
Pyrrhotite
Formula: Fe7S8
Quartz
Formula: SiO2
Localities: Reported from at least 73 localities in this region.
Quartz var: Chalcedony
Formula: SiO2
Realgar
Formula: As4S4
Rutile
Formula: TiO2
Rutile var: Ilmenorutile
Formula: Fex(Nb,Ta)2x · 4Ti1-xO2
Scheelite
Formula: Ca(WO4)
Localities: Reported from at least 17 localities in this region.
Siderite
Formula: FeCO3
Silver
Formula: Ag
Silver
Formula: Ag
'commodity:Silver'
Formula: Ag
Localities: Reported from at least 85 localities in this region.
'commodity:Silver'
Formula: Ag
Localities: Reported from at least 85 localities in this region.
'commodity:Silver'
Formula: Ag
Localities: Reported from at least 85 localities in this region.
Sphalerite
Formula: ZnS
'Stibiconite'
Formula: (Sb,O,OH) ?
Stibnite
Formula: Sb2S3
Localities: Reported from at least 17 localities in this region.
Stromeyerite
Formula: AgCuS
'Syenite'
'commodity:Tantalum'
Formula: Ta
Tetrahedrite
Formula: Cu6[Cu4(Fe,Zn)2]Sb4S13
'commodity:Thorium'
Formula: Th
'commodity:Tin'
Formula: Sn
Localities: Reported from at least 23 localities in this region.
'commodity:Titanium'
Formula: Ti
Topaz
Formula: Al2(SiO4)(F,OH)2
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Localities: Reported from at least 23 localities in this region.
'commodity:Tungsten'
Formula: W
Localities: Reported from at least 23 localities in this region.
'commodity:Uranium'
Formula: U
'commodity:Vanadium'
Formula: V
'Wolframite'
Formula: (Fe2+)WO4 to (Mn2+)WO4
'commodity:Zinc'
Formula: Zn
Localities: Reported from at least 22 localities in this region.
Zircon
Formula: Zr(SiO4)
Localities: Reported from at least 13 localities in this region.
Zircon
Formula: Zr(SiO4)
Localities: Reported from at least 13 localities in this region.
Zircon
Formula: Zr(SiO4)
Localities: Reported from at least 13 localities in this region.
Zircon
Formula: Zr(SiO4)
Localities: Reported from at least 13 localities in this region.
Zircon
Formula: Zr(SiO4)
Localities: Reported from at least 13 localities in this region.
'commodity:Zircon'
Localities: Reported from at least 7 localities in this region.
'commodity:Zircon'
Localities: Reported from at least 7 localities in this region.
'commodity:Zircon'
Localities: Reported from at least 7 localities in this region.
'commodity:Zircon'
Localities: Reported from at least 7 localities in this region.

References

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Bundtzen, T. K., Cox, B. C., & Veach, N. C. (1987). Heavy mineral provenance studies in the Iditarod and Innoko districts, western Alaska. Alaska Division of Geological and Geophysical Surveys.

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