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:
Mesaba Deposit (Minnamax Deposit; Babbitt Deposit; Babbitt Lake Deposit; Amax Underground Mine), Ely-Hoyt Lakes Area, St. Louis Co., Minnesota, USA


mindat Locality ID: 16397
mindat URL: http://www.mindat.org/loc-16397.html

Tectonic Settings:

Total number of sublocalities beneath "Mesaba Deposit (Minnamax Deposit; Babbitt Deposit; Babbitt Lake Deposit; Amax Underground Mine), Ely-Hoyt Lakes Area, St. Louis Co., Minnesota, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 47°42'30"N
Longitude: 91°56'30"W
Decimal Degree (lat, lon): 47.708333333333,-91.941666666667

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 As Bi C Ca Cu Fe H Mg Ni O Pd Pt S Si Sn Ti Zn Zr 

Elements from minerals reported directly at this locality: Ag Al As Bi C Ca Cu Fe H Mg Ni O Pd Pt S Si Sn Ti Zn Zr 

Structural Groups for minerals in this locality: 
AmphiboleBaddeleyiteCalciteChalcopyriteClayClinozoisiteCopperCorundumCovelliteCubanite
EpidoteNickelineNonePentlanditePrehnitePyritePyroxeneSerpentineSphaleriteSpinel
WurtziteZircon

32 IMA Minerals at location:
Actinolite  (*)Augite  (*)Baddeleyite  (*)Bornite  (*)Cabriite  (*)
Calcite  (*)Chalcocite  (*)Chalcopyrite  (*)Chrysotile  (*)Covellite  (*)
Cubanite  (*)Epidote  (*)Froodite  (*)Godlevskite  (*)Graphite  (*)
Greenalite  (*)Heazlewoodite  (*)Ilmenite  (*)Mackinawite  (*)Magnetite  (*)
Maucherite  (*)Nickeline  (*)Pentlandite  (*)Prehnite  (*)Pyrrhotite  (*)
Silver  (*)Sperrylite  (*)Sphalerite  (*)Spinel  (*)Talnakhite  (*)
Troilite  (*)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)203419
Augite  (*)Pyroxene(Ca,Mg,Fe)2Si2O602060
Baddeleyite  (*)BaddeleyiteZrO20238
Bornite  (*)NoneCu5FeS405516
Cabriite  (*)NonePd2CuSn012
Calcite  (*)CalciteCa(CO3)027770
Chalcocite  (*)NoneCu2S05707
Chalcopyrite  (*)ChalcopyriteCuFeS2027198
Chrysotile  (*)Serpentine ClayMg3Si2O5(OH)40951
Covellite  (*)CovelliteCuS04165
Cubanite  (*)Cubanite WurtziteCuFe2S30802
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)08173
Froodite  (*)NonePdBi2062
Godlevskite  (*)Pentlandite(Ni,Fe)9S8040
Graphite  (*)NoneC02812
Greenalite  (*)Clay Serpentine(Fe2+,Fe3+)2-3Si2O5(OH)4061
Heazlewoodite  (*)NoneNi3S20205
Ilmenite  (*)CorundumFe2+Ti4+O305433
Mackinawite  (*)None(Fe,Ni)1+xS (x = 0-0.07)0451
Magnetite  (*)SpinelFe2+Fe3+2O4014899
Maucherite  (*)NoneNi11As80161
Nickeline  (*)NickelineNiAs0633
Pentlandite  (*)Pentlandite(Ni,Fe)9S801512
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)201898
Pyrrhotite  (*)NickelineFe7S809056
Silver  (*)CopperAg05186
Sperrylite  (*)PyritePtAs20337
Sphalerite  (*)SphaleriteZnS021482
Spinel  (*)SpinelMgAl2O401934
Talnakhite  (*)ChalcopyriteCu9Fe8S16035
Troilite  (*)NoneFeS01044
Zircon  (*)ZirconZr(SiO4)05251



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...