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:
Mather Mine (Pioneer Pellet Plant; Ore Improvement Plant), Negaunee, Marquette Iron Range, Marquette Co., Michigan, USA


mindat Locality ID: 236332
mindat URL: http://www.mindat.org/loc-236332.html

Tectonic Settings:

Total number of sublocalities beneath "Mather Mine (Pioneer Pellet Plant; Ore Improvement Plant), Negaunee, Marquette Iron Range, Marquette Co., Michigan, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Mather A Shaft
Mather B Shaft

Latitude: 46°30'11"N
Longitude: 87°38'9"W
Decimal Degree (lat, lon): 46.503055555556,-87.635833333333

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 C Fe H Mn O Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
CalciteClayCorundumDiasporeKaoliniteNoneQuartzRutile

6 IMA Minerals at location:
Dickite  (*)Goethite  (*)Hematite  (*)Pyrolusite  (*)Quartz  (*)
Siderite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Dickite  (*)Clay KaoliniteAl2Si2O5(OH)41222318651
Goethite  (*)DiasporeFeO(OH)12223187437
Hematite  (*)CorundumFe2O3122231814640
Pyrolusite  (*)RutileMnO212223183106
Quartz  (*)QuartzSiO2122231861156
Siderite  (*)CalciteFe(CO3)12223196417



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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