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:
Iron Co., Michigan, USA

Oldest recorded age at locality: 1390.04
Youngest recorded age at locality: 1390.04

mindat Locality ID: 23025
mindat URL: http://www.mindat.org/loc-23025.html

Tectonic Settings:

Total number of sublocalities beneath "Iron Co., Michigan, USA": 962
Total number of bottom-level sublocalities: 787

Number of Child Localities: 25
Child Localities:
Alpha
Anderson-Wiggins Prospect
Badwater Greenstone
Badwater Greenstone (2)
Badwater Greenstone (3)
Badwater Greenstone (4)
Basalt Quarry (MRDS - 10194341)
Camp 5 Gravel Pit
Gibbs City
Hemlock Formation
Hemlock Formation (2)
Iron River
Kiernan Quadrangle
Lake Ellen
Lake Mary Quadrangle
M-69
Mansfield
Marquette Iron Range
Menominee Iron Range
Michigamme Slate
Michigamme Slate (2)
Paint River
Peavey Dam
Peavey Pond Complex
West Kiernan Sill

Latitude: 46°6'4"N
Longitude: 88°17'56"W
Decimal Degree (lat, lon): 46.101111111111,-88.298888888889
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: Ag Al Au B Ba C Ca Cd Ce Cr Cu Fe H K Mg Mn Mo Na O P Pb S Sb Si Sr Ti U V Zn Zr 

Elements from minerals reported directly at this locality: Al C Ca Fe H K Mg Mn Na O Si Sr Ti Zr 

Structural Groups for minerals in this locality: 
AllaniteAllophaneAluniteAmphiboleAndalusiteAragoniteArsenicBaryteBrauniteBrucite
CalciteChalcopyriteChloriteChloritoidClayClinozoisiteCopperCorundumDiamondDiaspore
EpidoteFeldsparFluoriteFritzscheiteGarnetGypsumHalotrichiteHydrotalciteKaoliniteMalachite
MarcasiteMelanteriteMeta-autuniteMicaMolybdeniteNatroliteNickelineNoneNot in a structural groupOlivine
PerovskitePyritePyroxeneQuartzRhodoniteRocksaltRutileSerpentineSphaleriteSpinel
StauroliteStilpnomelaneTalcTitaniteWoodwarditeWurtziteZircon

95 IMA Minerals at location:
Actinolite  (*)Albite  (*)Allanite-(Ce)  (*)Alunite  (*)Andalusite  (*)
Anorthite  (*)Antimony  (*)Aragonite  (*)Augite  (*)Baryte  (*)
Bassetite  (*)Bornite  (*)Braunite  (*)Calcite  (*)Celestine  (*)
Chalcocite  (*)Chalcopyrite  (*)Chamosite  (*)Chloritoid  (*)Chromite  (*)
Clinozoisite  (*)Copper  (*)Corundum  (*)Diamond  (*)Dickite  (*)
Diopside  (*)Dolomite  (*)Enstatite  (*)Epidote  (*)Forsterite  (*)
Galena  (*)Geikielite  (*)Goethite  (*)Gold  (*)Graphite  (*)
Greenalite  (*)Greenockite  (*)Groutite  (*)Grunerite  (*)Gypsum  (*)
Halotrichite  (*)Hausmannite  (*)Hematite  (*)Hetaerolite  (*)Ilmenite  (*)
Jacobsite  (*)Kaolinite  (*)Kyanite  (*)Magnetite  (*)Malachite  (*)
Manganite  (*)Marcasite  (*)Melanterite  (*)Mesolite  (*)Meta-autunite  (*)
Metatorbernite  (*)Metatyuyamunite  (*)Microcline  (*)Molybdenite  (*)Monticellite  (*)
Muscovite  (*)Natrojarosite  (*)Neotocite  (*)Perovskite  (*)Phlogopite  (*)
Pickeringite  (*)Pigeonite  (*)Pyrite  (*)Pyrochroite  (*)Pyrolusite  (*)
Pyrope  (*)Pyrrhotite  (*)Quartz  (*)Rhodochrosite  (*)Rhodonite  (*)
Romanèchite  (*)Rutile  (*)Sanidine  (*)Seamanite  (*)Shigaite  (*)
Siderite  (*)Sillimanite  (*)Silver  (*)Sphalerite  (*)Spinel  (*)
Staurolite  (*)Stilpnomelane  (*)Strontianite  (*)Sussexite  (*)Talc  (*)
Titanite  (*)Tremolite  (*)Uraninite  (*)Uranophane-α  (*)Zircon  (*)
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)21390.041390.0403419
Albite  (*)FeldsparNa(AlSi3O8)1390.041390.0408803
Allanite-(Ce)  (*)Allanite EpidoteCaCe(Al2Fe2+)[Si2O7][SiO4]O(OH)1221689706
Alunite  (*)NoneKAl3(SO4)2(OH)63220810,221261,221554966
Andalusite  (*)AndalusiteAl2SiO512216841310
Anorthite  (*)FeldsparCa(Al2Si2O8)2220742,2216901036
Antimony  (*)ArsenicSb1221367363
Aragonite  (*)AragoniteCa(CO3)12208363250
Augite  (*)Pyroxene(Ca,Mg,Fe)2Si2O612207482060
Baryte  (*)BaryteBa(SO4)4220836,221016,221282,22155411547
Bassetite  (*)NoneFe2+(UO2)2(PO4)2(H2O)10122101651
Bornite  (*)NoneCu5FeS42221016,2213405516
Braunite  (*)BrauniteMn2+Mn3+6O8(SiO4)1221498483
Calcite  (*)CalciteCa(CO3)7220730,220737,220829,221016,221282,221498,22155427770
Celestine  (*)BaryteSr(SO4)12212261252
Chalcocite  (*)NoneCu2S2221016,2213405707
Chalcopyrite  (*)ChalcopyriteCuFeS24221016,221340,221367,22155427198
Chamosite  (*)Chlorite Clay(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)85220758,221117,221554,221556,221596577
Chloritoid  (*)ChloritoidFe2+Al2O(SiO4)(OH)21390.041390.040376
Chromite  (*)SpinelFe2+Cr2O412207373902
Clinozoisite  (*)Clinozoisite EpidoteCa2Al3[Si2O7][SiO4]O(OH)2220732,2207461025
Copper  (*)CopperCu2220857,2214983846
Corundum  (*)CorundumAl2O312207481797
Diamond  (*)DiamondC2220748,220754697
Dickite  (*)Clay KaoliniteAl2Si2O5(OH)41221016651
Diopside  (*)PyroxeneCaMgSi2O62220737,2207484135
Dolomite  (*)NoneCaMg(CO3)22221427,2214989895
Enstatite  (*)PyroxeneMg2Si2O62220748,221689944
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)2221689,2216908173
Forsterite  (*)OlivineMg2(SiO4)2220737,2207481188
Galena  (*)RocksaltPbS2221016,22134024243
Geikielite  (*)CorundumMgTiO31390.041390.04070
Goethite  (*)DiasporeFeO(OH)1390.041390.0484220761,220762,220765,220767,220768,220771,220772,220774,220776,220777,220778,220779,220784,220801,220810,220829,220833,220834,220836,220837,220838,220839,220840,220842,220843,220844,220856,220857,220858,220859,220860,220876,220877,220904,220905,220906,220914,220915,220918,220919,220954,220955,220958,220981,221002,221005,221006,221016,221017,221036,221038,221045,221073,221118,221126,221128,221136,221174,221184,221220,221226,221257,221261,221269,221272,221282,221283,221294,221301,221314,221340,221352,221367,221473,221481,221498,221499,221507,221541,221554,221555,221559,221593,2216147437
Gold  (*)CopperAu3220739,220740,22074530554
Graphite  (*)NoneC4220983,221294,221340,2216852812
Greenalite  (*)Clay Serpentine(Fe2+,Fe3+)2-3Si2O5(OH)41390.041390.04061
Greenockite  (*)WurtziteCdS1221016717
Groutite  (*)DiasporeMn3+O(OH)2221498,22149972
Grunerite  (*)Amphibole   Fe2+2Fe2+5Si8O22(OH)25220732,220913,221103,221366,221477223
Gypsum  (*)GypsumCa(SO4)·2H2O7220836,220843,220857,220913,221498,221499,2215546890
Halotrichite  (*)HalotrichiteFe2+Al2(SO4)4·22H2O1221282409
Hausmannite  (*)SpinelMn2+Mn3+2O42220810,221498350
Hematite  (*)CorundumFe2O31390.041390.0495220757,220761,220762,220765,220767,220768,220770,220771,220772,220774,220776,220777,220778,220779,220783,220784,220801,220810,220829,220833,220834,220835,220836,220837,220838,220839,220840,220842,220843,220844,220856,220857,220858,220859,220860,220876,220877,220904,220905,220906,220913,220914,220915,220916,220917,220918,220919,220954,220955,220958,220981,221002,221005,221006,221016,221017,221036,221038,221045,221073,221118,221126,221128,221136,221174,221184,221216,221219,221220,221226,221257,221269,221272,221278,221282,221283,221287,221294,221301,221314,221340,221352,221367,221473,221481,221498,221499,221507,221541,221554,221555,221559,221593,221596,22161414640
Hetaerolite  (*)SpinelZnMn3+2O41390.041390.04122075873
Ilmenite  (*)CorundumFe2+Ti4+O32220737,2207485433
Jacobsite  (*)SpinelMn2+Fe3+2O41221287172
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)42220810,2215545591
Kyanite  (*)Not in a structural groupAl2OSiO412207481507
Magnetite  (*)SpinelFe2+Fe3+2O417220750,220776,220777,220778,220779,220784,220833,220859,220860,220905,220914,221366,221498,221499,221554,221596,22169014899
Malachite  (*)MalachiteCu2(CO3)(OH)2122101612537
Manganite  (*)RutileMn3+O(OH)5220762,220829,220836,220839,221498770
Marcasite  (*)MarcasiteFeS22221016,2211175674
Melanterite  (*)MelanteriteFe(SO4)·7H2O2220760,221117915
Mesolite  (*)NatroliteNa2Ca2(Si9Al6)O30·8H2O1220733425
Meta-autunite  (*)Meta-autuniteCa(UO2)2(PO4)2·6H2O1221016388
Metatorbernite  (*)NoneCu(UO2)2(PO4)2·8H2O1221016443
Metatyuyamunite  (*)FritzscheiteCa(UO2)2(VO4)2·3H2O1221016129
Microcline  (*)FeldsparK(AlSi3O8)1390.041390.0404924
Molybdenite  (*)MolybdeniteMoS21390.041390.0412208315800
Monticellite  (*)OlivineCaMg(SiO4)1220737153
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)27220833,220839,220859,220860,220905,220914,22168417380
Natrojarosite  (*)AluniteNaFe3+3(SO4)2(OH)61220829254
Neotocite  (*)Allophane(Mn,Fe)SiO3·H2O (?)4220784,220829,220857,220915186
Perovskite  (*)PerovskiteCaTiO31390.041390.040495
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)22220737,2207482273
Pickeringite  (*)HalotrichiteMgAl2(SO4)4·22H2O1220767265
Pigeonite  (*)Pyroxene(Mg,Fe,Ca)2Si2O61220735303
Pyrite  (*)PyriteFeS21390.041390.0476220761,220762,220765,220767,220768,220771,220772,220774,220801,220810,220829,220834,220836,220837,220838,220840,220842,220843,220844,220856,220857,220858,220876,220877,220904,220906,220913,220915,220918,220919,220954,220955,220958,220981,220983,221002,221005,221006,221016,221017,221036,221038,221045,221073,221118,221126,221128,221136,221174,221220,221226,221257,221269,221272,221282,221283,221287,221294,221301,221314,221340,221352,221367,221473,221481,221498,221499,221507,221541,221554,221555,221559,221593,221614,221685,22169039462
Pyrochroite  (*)BruciteMn2+(OH)21390.041390.04056
Pyrolusite  (*)RutileMnO24220829,221282,221498,2215543106
Pyrope  (*)GarnetMg3Al2(SiO4)33220748,220754,220755341
Pyrrhotite  (*)NickelineFe7S82221498,2214999056
Quartz  (*)QuartzSiO214220732,220776,220777,220778,220779,220784,220829,220831,220842,220920,221016,221498,221499,22155461156
Rhodochrosite  (*)CalciteMn(CO3)6220784,220829,221282,221287,221340,2214981711
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)1221498969
Romanèchite  (*)None(Ba,H2O)2(Mn4+,Mn3+)5O102221498,221499312
Rutile  (*)RutileTiO23220748,220913,2216875614
Sanidine  (*)FeldsparK(AlSi3O8)1220748598
Seamanite  (*)NoneMn2+3B(OH)4(PO4)(OH)24220829,221287,221498,2214995
Shigaite  (*)Woodwardite HydrotalciteMn6Al3(OH)18[Na(H2O)6](SO4)2·6H2O4221282,221287,221498,2214997
Siderite  (*)CalciteFe(CO3)1390.041390.0473220761,220762,220765,220767,220768,220771,220772,220774,220801,220810,220829,220834,220836,220837,220838,220840,220842,220843,220844,220856,220857,220858,220876,220877,220904,220906,220913,220915,220918,220919,220954,220955,220958,220981,221002,221005,221006,221016,221017,221036,221038,221045,221073,221118,221126,221128,221136,221174,221184,221220,221226,221257,221269,221272,221282,221283,221294,221301,221314,221340,221352,221367,221473,221481,221498,221499,221507,221541,221554,221555,221559,221593,2216146417
Sillimanite  (*)Not in a structural groupAl2SiO52221684,2216881516
Silver  (*)CopperAg2220829,2208575186
Sphalerite  (*)SphaleriteZnS5221016,221340,221367,221498,22155421482
Spinel  (*)SpinelMgAl2O42220737,2207481934
Staurolite  (*)StauroliteFe2+2Al9Si4O23(OH)1390.041390.044220831,221684,221687,221688978
Stilpnomelane  (*)Stilpnomelane Clay(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36·nH2O1390.041390.0479220734,220743,220750,220752,220761,220762,220765,220767,220768,220771,220772,220774,220801,220810,220829,220831,220834,220836,220837,220838,220840,220842,220843,220844,220856,220857,220858,220862,220876,220877,220904,220906,220913,220915,220918,220919,220920,220954,220955,220958,220981,221002,221005,221006,221016,221017,221036,221038,221045,221073,221118,221126,221128,221136,221174,221220,221226,221257,221269,221272,221282,221283,221294,221301,221314,221340,221352,221367,221473,221481,221498,221499,221507,221541,221554,221555,221559,221593,221614456
Strontianite  (*)AragoniteSr(CO3)1390.041390.040589
Sussexite  (*)NoneMn2+BO2(OH)2220829,22149825
Talc  (*)Clay TalcMg3Si4O10(OH)212216143337
Titanite  (*)TitaniteCaTi(SiO4)O2220734,2216904899
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)212207322562
Uraninite  (*)FluoriteUO22221016,2213402718
Uranophane-α  (*)NoneCa(UO2)2(SiO3OH)2·5H2O1220731890
Zircon  (*)ZirconZr(SiO4)1390.041390.0405251


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
USGS-Rb-Sr-008911390.041390.041390.04Rb-Srinitial age disturbed by later metamorphismbiotite     124557Neely Reserve Prospect, Crystal Falls, Menominee Iron Range, Iron Co., Michigan, USA USGS-Rb-Sr USGS-Rb-Sr 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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