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:
Spruce Road Prospect (Spruce Mine; INCO Prospect; INCO Mine; Ely Nickel Copper Deposit; Spruce Road Deposit), Ely-Hoyt Lakes Area, Lake Co., Minnesota, USA


mindat Locality ID: 11954
mindat URL: http://www.mindat.org/loc-11954.html

Tectonic Settings:

Total number of sublocalities beneath "Spruce Road Prospect (Spruce Mine; INCO Prospect; INCO Mine; Ely Nickel Copper Deposit; Spruce Road Deposit), Ely-Hoyt Lakes Area, Lake Co., Minnesota, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 47°49'59"N
Longitude: 91°40'59"W
Decimal Degree (lat, lon): 47.833055555556,-91.683055555556
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 Cu Fe H Mg Na Ni O S Si Ti Zn 

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

Structural Groups for minerals in this locality: 
AmphiboleCalciteChalcopyriteClayClinozoisiteCorundumCubaniteDigeniteEpidoteFeldspar
NickelineNonePentlanditePrehnitePyritePyroxeneQuartzSerpentineSphaleriteSpinel
Wurtzite

25 IMA Minerals at location:
Actinolite  (*)Albite  (*)Anorthite  (*)Augite  (*)Bornite  (*)
Calcite  (*)Chalcopyrite  (*)Chrysotile  (*)Cubanite  (*)Digenite  (*)
Enstatite  (*)Epidote  (*)Graphite  (*)Ilmenite  (*)Mackinawite  (*)
Magnetite  (*)Pentlandite  (*)Pigeonite  (*)Prehnite  (*)Pyrite  (*)
Pyrrhotite  (*)Quartz  (*)Sphalerite  (*)Spinel  (*)Troilite  (*)
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
Albite  (*)FeldsparNa(AlSi3O8)08803
Anorthite  (*)FeldsparCa(Al2Si2O8)01036
Augite  (*)Pyroxene(Ca,Mg,Fe)2Si2O602060
Bornite  (*)NoneCu5FeS405516
Calcite  (*)CalciteCa(CO3)027770
Chalcopyrite  (*)ChalcopyriteCuFeS2027198
Chrysotile  (*)Serpentine ClayMg3Si2O5(OH)40951
Cubanite  (*)Cubanite WurtziteCuFe2S30802
Digenite  (*)DigeniteCu1.8S01027
Enstatite  (*)PyroxeneMg2Si2O60944
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)08173
Graphite  (*)NoneC02812
Ilmenite  (*)CorundumFe2+Ti4+O305433
Mackinawite  (*)None(Fe,Ni)1+xS (x = 0-0.07)0451
Magnetite  (*)SpinelFe2+Fe3+2O4014899
Pentlandite  (*)Pentlandite(Ni,Fe)9S801512
Pigeonite  (*)Pyroxene(Mg,Fe,Ca)2Si2O60303
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)201898
Pyrite  (*)PyriteFeS2039462
Pyrrhotite  (*)NickelineFe7S809056
Quartz  (*)QuartzSiO2061156
Sphalerite  (*)SphaleriteZnS021482
Spinel  (*)SpinelMgAl2O401934
Troilite  (*)NoneFeS01044


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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