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:
Ishpeming, Marquette Iron Range, Marquette Co., Michigan, USA


mindat Locality ID: 125536
mindat URL: http://www.mindat.org/loc-125536.html

Tectonic Settings:

Total number of sublocalities beneath "Ishpeming, Marquette Iron Range, Marquette Co., Michigan, USA": 19
Total number of bottom-level sublocalities: 18

Number of Child Localities: 18
Child Localities:
Cleveland Lake Group (Lake Mine)
Cleveland Mine
Cliffs Shaft Mine (Barnum; Lake Superior Group; Section 10 Exploration; Bancroft; Moro Mine)
Detroit Mine (Norwich Mine)
East New York Iron Mine
Hard Ore Mine
Jasper Hill (Jasper Knob)
Jubilee IGA Grocery Store Site
Lake Angeline Mine (East End; Angeline)
Lake Bancroft
Lake Superior Mine (Hematite; Section 10 Exploration; Holmes-Section 16; Hard Ore; Section 21)
Mitchell Mine (Braastad-Mitchell; Shenango)
Moro Mine (Cliffs Shaft; Cleveland Mine)
New York Mine (York Mine)
Ogden Mine
Section 16 Mine
Sellwood Mine
Tilden Mine (Cliff Drives III; Tilden Pit)

Latitude: 46°28'59"N
Longitude: 87°39'38"W
Decimal Degree (lat, lon): 46.483055555556,-87.660555555556

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 Ba C Ca Cu Fe H K Mg Mn O P S Si Ti 

Elements from minerals reported directly at this locality: C Ca O 

Structural Groups for minerals in this locality: 
AllophaneAmphiboleAragoniteBaryteCalciteChalcopyriteClayCorundumDiasporeFeldspar
HexahydriteKaoliniteNonePyriteQuartzRutileSpinelStarkeyite

21 IMA Minerals at location:
Ankerite  (*)Aragonite  (*)Baryte  (*)Bornite  (*)Calcite  (*)
Chalcopyrite  (*)Goethite  (*)Grunerite  (*)Hematite  (*)Hexahydrite  (*)
Kaolinite  (*)Magnetite  (*)Manganite  (*)Microcline  (*)Neotocite  (*)
Pseudomalachite  (*)Pyrite  (*)Quartz  (*)Rutile  (*)Siderite  (*)
Starkeyite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)212222733092
Aragonite  (*)AragoniteCa(CO3)03250
Baryte  (*)BaryteBa(SO4)2222263,22227111547
Bornite  (*)NoneCu5FeS412222585516
Calcite  (*)CalciteCa(CO3)122227327770
Chalcopyrite  (*)ChalcopyriteCuFeS22222258,22227327198
Goethite  (*)DiasporeFeO(OH)13222256,222257,222258,222259,222263,222264,222266,222267,222268,222270,222271,222272,2222737437
Grunerite  (*)Amphibole   Fe2+2Fe2+5Si8O22(OH)21222265223
Hematite  (*)CorundumFe2O314222256,222257,222258,222259,222262,222263,222264,222266,222267,222268,222269,222270,222271,22227314640
Hexahydrite  (*)HexahydriteMg(SO4)·6H2O1222273251
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)42222256,2222665591
Magnetite  (*)SpinelFe2+Fe3+2O410222256,222257,222258,222259,222264,222266,222267,222268,222270,22227314899
Manganite  (*)RutileMn3+O(OH)1222263770
Microcline  (*)FeldsparK(AlSi3O8)12222574924
Neotocite  (*)Allophane(Mn,Fe)SiO3·H2O (?)1222263186
Pseudomalachite  (*)NoneCu5(PO4)2(OH)41222274369
Pyrite  (*)PyriteFeS22222257,22225839462
Quartz  (*)QuartzSiO213222256,222257,222258,222259,222262,222263,222264,222266,222267,222268,222270,222271,22227361156
Rutile  (*)RutileTiO212222675614
Siderite  (*)CalciteFe(CO3)2222265,2222736417
Starkeyite  (*)StarkeyiteMg(SO4)·4H2O122227379



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...