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 River, Menominee Iron Range, Iron Co., Michigan, USA


mindat Locality ID: 23107
mindat URL: http://www.mindat.org/loc-23107.html

Tectonic Settings:

Total number of sublocalities beneath "Iron River, Menominee Iron Range, Iron Co., Michigan, USA": 66
Total number of bottom-level sublocalities: 54

Number of Child Localities: 14
Child Localities:
Beta Mine
Buckholtz Exploration
Coe And Blair Exploration
Delta Mine
East Mineral Hills Exploration
Hilltop Exploration
Iron River Outcrop C Occurrence
McDermott Exploration Drill Hole MD1
Oliver Prospect Drill Hole 02
Saylor Exploration (Sailor Exploration)
Sheridan Mine
Sipchen Exploration
Unnamed Iron Prospect (MRDS - 10219298)
Unnamed Prospect 27x (MRDS - 10146281)

Latitude: 46°5'29"N
Longitude: 88°38'11"W
Decimal Degree (lat, lon): 46.091388888889,-88.636388888889
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 Ca Fe H K Mg Na O S Si 

Elements from minerals reported directly at this locality: Al Fe H Mg O S Si 

Structural Groups for minerals in this locality: 
CalciteChloriteClayCorundumDiasporeMarcasiteMelanteriteNonePyriteStilpnomelane

8 IMA Minerals at location:
Chamosite  (*)Goethite  (*)Hematite  (*)Marcasite  (*)Melanterite  (*)
Pyrite  (*)Siderite  (*)Stilpnomelane  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Chamosite  (*)Chlorite Clay(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)80577
Goethite  (*)DiasporeFeO(OH)5221118,221126,221128,221136,2211747437
Hematite  (*)CorundumFe2O35221118,221126,221128,221136,22117414640
Marcasite  (*)MarcasiteFeS205674
Melanterite  (*)MelanteriteFe(SO4)·7H2O0915
Pyrite  (*)PyriteFeS25221118,221126,221128,221136,22117439462
Siderite  (*)CalciteFe(CO3)5221118,221126,221128,221136,2211746417
Stilpnomelane  (*)Stilpnomelane Clay(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36·nH2O5221118,221126,221128,221136,221174456


No ages have been assigned to this locality yet.
SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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