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:
Republic Mine, Republic, Marquette Iron Range, Marquette Co., Michigan, USA


mindat Locality ID: 19621
mindat URL: http://www.mindat.org/loc-19621.html

Tectonic Settings:

Total number of sublocalities beneath "Republic Mine, Republic, Marquette Iron Range, Marquette Co., Michigan, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Unnamed Pegmatite
Unnamed Syenite

Latitude: 46°23'47"N
Longitude: 87°58'10"W
Decimal Degree (lat, lon): 46.396388888889,-87.969444444444

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 Be C Ca Cu Fe H K Mg Mn Mo Na O S Si Sr Ti 

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

Structural Groups for minerals in this locality: 
AmphiboleAndalusiteAragoniteBaryteBerylCalciteChalcopyriteChloriteChloritoidClay
CorundumDiasporeFeldsparGarnetGypsumMalachiteMicaMolybdeniteNoneNot in a structural group
OlivinePyritePyrophyllitePyroxeneQuartzSpinelStaurolite

35 IMA Minerals at location:
Almandine  (*)Andalusite  (*)Ankerite  (*)Aragonite  (*)Beryl  (*)
Calcite  (*)Celestine  (*)Chalcopyrite  (*)Chamosite  (*)Chloritoid  (*)
Cummingtonite  (*)Diopside  (*)Dolomite  (*)Fayalite  (*)Ferro-hornblende  (*)
Goethite  (*)Grunerite  (*)Gypsum  (*)Hedenbergite  (*)Hematite  (*)
Ilmenite  (*)Kutnohorite  (*)Magnetite  (*)Malachite  (*)Microcline  (*)
Molybdenite  (*)Muscovite  (*)Pyrite  (*)Pyrophyllite  (*)Quartz  (*)
Riebeckite  (*)Siderite  (*)Sillimanite  (*)Staurolite  (*)Tremolite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Almandine  (*)GarnetFe2+3Al2(SiO4)302353
Andalusite  (*)AndalusiteAl2SiO512223711310
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)203092
Aragonite  (*)AragoniteCa(CO3)03250
Beryl  (*)BerylBe3Al2Si6O1812223714286
Calcite  (*)CalciteCa(CO3)027770
Celestine  (*)BaryteSr(SO4)01252
Chalcopyrite  (*)ChalcopyriteCuFeS2027198
Chamosite  (*)Chlorite Clay(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)80577
Chloritoid  (*)ChloritoidFe2+Al2O(SiO4)(OH)20376
Cummingtonite  (*)Amphibole   Mg2Mg5Si8O22(OH)20327
Diopside  (*)PyroxeneCaMgSi2O604135
Dolomite  (*)NoneCaMg(CO3)209895
Fayalite  (*)OlivineFe2+2(SiO4)0371
Ferro-hornblende  (*)Amphibole   Ca2(Fe2+4Al)(Si7Al)O22(OH)20271
Goethite  (*)DiasporeFeO(OH)07437
Grunerite  (*)Amphibole   Fe2+2Fe2+5Si8O22(OH)20223
Gypsum  (*)GypsumCa(SO4)·2H2O06890
Hedenbergite  (*)PyroxeneCaFe2+Si2O60741
Hematite  (*)CorundumFe2O3014640
Ilmenite  (*)CorundumFe2+Ti4+O305433
Kutnohorite  (*)NoneCaMn2+(CO3)20234
Magnetite  (*)SpinelFe2+Fe3+2O4014899
Malachite  (*)MalachiteCu2(CO3)(OH)2012537
Microcline  (*)FeldsparK(AlSi3O8)12223714924
Molybdenite  (*)MolybdeniteMoS212223715800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2122237117380
Pyrite  (*)PyriteFeS2039462
Pyrophyllite  (*)Clay PyrophylliteAl2Si4O10(OH)20771
Quartz  (*)QuartzSiO2122237161156
Riebeckite  (*)Amphibole   Na2(Fe2+3Fe3+2)Si8O22(OH)21222372375
Siderite  (*)CalciteFe(CO3)06417
Sillimanite  (*)Not in a structural groupAl2SiO501516
Staurolite  (*)StauroliteFe2+2Al9Si4O23(OH)0978
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)202562



No ages have been assigned to this locality yet.

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All locality data graciously provided by mindat.org

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