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:
Clark Co., Wisconsin, USA


mindat Locality ID: 107376
mindat URL: http://www.mindat.org/loc-107376.html

Tectonic Settings:

Total number of sublocalities beneath "Clark Co., Wisconsin, USA": 18
Total number of bottom-level sublocalities: 17

Number of Child Localities: 17
Child Localities:
Clark County Operations
Colby (Wisconsin) Meteorite
Coles Corner Road Clay Pit
Dorchester Quarry (Ellis Quarries; Inc.)
Hardwick Shale Quarry
High Hill Quartz & Rhyolite Deposit
Kurasz Pit
Long Branch Quarry
Matti Shale Quarry
Neillsville
Pit Road Rhyolite Quarry
Rennock Granite Deposit
Rock Creek Road Quartzite Quarry
Rock Dam
Small Creek Quartz Deposit
Todd Road Granite Deposit
Tyndall Granite & Gravel Deposit

Latitude: 44°40'47"N
Longitude: 90°31'53"W
Decimal Degree (lat, lon): 44.679722222222,-90.531388888889

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 Cr Cu Fe H K Mg Na Ni O P S Si Ti Zr 

Elements from minerals reported directly at this locality: Al K O Si Zr 

Structural Groups for minerals in this locality: 
AmphiboleCalciteCeriteClayClinozoisiteCopperCubaniteEpidoteFeldsparIron
MicaNonePyriteQuartzSphaleriteSpinelTitaniteZircon

18 IMA Minerals at location:
Actinolite  (*)Calcite  (*)Chromite  (*)Copper  (*)Epidote  (*)
Iron  (*)Isocubanite  (*)Mackinawite  (*)Merrillite  (*)Microcline  (*)
Muscovite  (*)Pyrite  (*)Quartz  (*)Taenite  (*)Tetrataenite  (*)
Titanite  (*)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)212871353419
Calcite  (*)CalciteCa(CO3)128713827770
Chromite  (*)SpinelFe2+Cr2O412871293902
Copper  (*)CopperCu12871293846
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)12871358173
Iron  (*)IronFe12871291089
Isocubanite  (*)Sphalerite CubaniteCuFe2S31287129191
Mackinawite  (*)None(Fe,Ni)1+xS (x = 0-0.07)1287129451
Merrillite  (*)CeriteCa9NaMg(PO4)71287129230
Microcline  (*)FeldsparK(AlSi3O8)04924
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2128714217380
Pyrite  (*)PyriteFeS22287135,28713839462
Quartz  (*)QuartzSiO2128713861156
Taenite  (*)None(Ni,Fe)1287129703
Tetrataenite  (*)NoneFeNi1287129116
Titanite  (*)TitaniteCaTi(SiO4)O12871384899
Troilite  (*)NoneFeS12871291044
Zircon  (*)ZirconZr(SiO4)05251



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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