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:
Negaunee, Marquette Co., Michigan, USA


mindat Locality ID: 24188
mindat URL: http://www.mindat.org/loc-24188.html

Tectonic Settings:

Total number of sublocalities beneath "Negaunee, Marquette Co., Michigan, USA": 12
Total number of bottom-level sublocalities: 10

Number of Child Localities: 8
Child Localities:
Enchantment Lake Formation
Goose Lake
Goose Lake Area
Holyoke Mine
Mona Schist
Pine Hill Quarry
Teal Lake
Unnamed Schist

Latitude: 46°28'30"N
Longitude: 87°33'29"W
Decimal Degree (lat, lon): 46.475,-87.558055555556
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 Au C Ca Cu Fe H K Mg O Pb S Sb Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleArsenopyriteCalciteChalcopyriteClayClinozoisiteCopperEpidoteFeldsparMica
NonePyriteQuartzRocksaltSphaleriteSpinelTetrahedrite

18 IMA Minerals at location:
Actinolite  (*)Arsenopyrite  (*)Calcite  (*)Chalcopyrite  (*)Copper  (*)
Dolomite  (*)Epidote  (*)Galena  (*)Gold  (*)Grunerite  (*)
Magnetite  (*)Microcline  (*)Muscovite  (*)Pyrite  (*)Quartz  (*)
Silver  (*)Sphalerite  (*)Tetrahedrite-(Zn)  (*)
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)212224123419
Arsenopyrite  (*)ArsenopyriteFeAsS12224119052
Calcite  (*)CalciteCa(CO3)3222411,222412,22241327770
Chalcopyrite  (*)ChalcopyriteCuFeS2122241127198
Copper  (*)CopperCu12224113846
Dolomite  (*)NoneCaMg(CO3)24222405,222407,222410,2224119895
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)2222412,2224148173
Galena  (*)RocksaltPbS122241124243
Gold  (*)CopperAu122241130554
Grunerite  (*)Amphibole   Fe2+2Fe2+5Si8O22(OH)21222415223
Magnetite  (*)SpinelFe2+Fe3+2O4122241514899
Microcline  (*)FeldsparK(AlSi3O8)12224084924
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2122240817380
Pyrite  (*)PyriteFeS2122241139462
Quartz  (*)QuartzSiO27222404,222406,222408,222410,222411,222412,22241361156
Silver  (*)CopperAg12224115186
Sphalerite  (*)SphaleriteZnS122241121482
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S1312224115317


No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

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