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:
U. S. Route 7 Expressway (Danbury Line To Iron Works District), Brookfield, Fairfield Co., Connecticut, USA


mindat Locality ID: 213273
mindat URL: http://www.mindat.org/loc-213273.html

Tectonic Settings:

Total number of sublocalities beneath "U. S. Route 7 Expressway (Danbury Line To Iron Works District), Brookfield, Fairfield Co., Connecticut, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 41°27'3"N
Longitude: 73°23'41"W
Decimal Degree (lat, lon): 41.450833333333,-73.394722222222
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 As B Be C Ca Cd Cl Cu F Fe H K Li Mg Mn Mo Na O P Pb S Si Ti Zn Zr 

Elements from minerals reported directly at this locality: Al As B Be C Ca Cd Cl Cu F Fe H K Li Mg Mn Mo Na O P Pb S Si Ti Zn Zr 

Structural Groups for minerals in this locality: 
AmorphousAmphiboleApatiteAragoniteArrojaditeArsenopyriteBaryteBerylCalciteChalcopyrite
ClayClinozoisiteCorundumEpidoteFeldsparGadoliniteGarnetHeulanditeHumiteMica
MolybdeniteNickelineNoneNot in a structural groupOlivinePyritePyroxeneQuartzRocksaltRutile
SepioliteSerpentineSphaleriteSpinelStauroliteStilbiteTalcTitaniteTourmalineVivianite
WollastoniteWurtziteZircon

60 IMA Minerals at location:
Actinolite  (*)Albite  (*)Almandine  (*)Anatase  (*)Anglesite  (*)
Aragonite  (*)Arsenopyrite  (*)Augite  (*)Bertrandite  (*)Beryl  (*)
Calcite  (*)Cerussite  (*)Chalcopyrite  (*)Chondrodite  (*)Chrysoberyl  (*)
Chrysotile  (*)Clinozoisite  (*)Datolite  (*)Dickinsonite-(KMnNa)  (*)Diopside  (*)
Dolomite  (*)Elbaite  (*)Epidote  (*)Fluorapatite  (*)Forsterite  (*)
Galena  (*)Greenockite  (*)Heulandite-Ca  (*)Ilmenite  (*)Kyanite  (*)
Laumontite  (*)Lithiophilite  (*)Magnetite  (*)Metaswitzerite  (*)Microcline  (*)
Molybdenite  (*)Muscovite  (*)Opal  (*)Orthoclase  (*)Phlogopite  (*)
Pyrite  (*)Pyromorphite  (*)Pyrrhotite  (*)Quartz  (*)Rutile  (*)
Schorl  (*)Sepiolite  (*)Sillimanite  (*)Sphalerite  (*)Spodumene  (*)
Staurolite  (*)Stilbite-Ca  (*)Talc  (*)Titanite  (*)Tremolite  (*)
Triphylite  (*)Vivianite  (*)Wollastonite  (*)Zircon  (*)Zoisite  (*)
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
Almandine  (*)GarnetFe2+3Al2(SiO4)302353
Anatase  (*)Not in a structural groupTiO202162
Anglesite  (*)BarytePb(SO4)02734
Aragonite  (*)AragoniteCa(CO3)03250
Arsenopyrite  (*)ArsenopyriteFeAsS09052
Augite  (*)Pyroxene(Ca,Mg,Fe)2Si2O602060
Bertrandite  (*)Not in a structural groupBe4Si2O7(OH)20606
Beryl  (*)BerylBe3Al2Si6O1804286
Calcite  (*)CalciteCa(CO3)027770
Cerussite  (*)AragonitePb(CO3)04979
Chalcopyrite  (*)ChalcopyriteCuFeS2027198
Chondrodite  (*)HumiteMg5(SiO4)2F20285
Chrysoberyl  (*)OlivineBeAl2O40321
Chrysotile  (*)Serpentine ClayMg3Si2O5(OH)40951
Clinozoisite  (*)Clinozoisite EpidoteCa2Al3[Si2O7][SiO4]O(OH)01025
Datolite  (*)GadoliniteCaB(SiO4)(OH)0498
Dickinsonite-(KMnNa)  (*)ArrojaditeK(NaMn)CaNa3AlMn13(PO4)12(OH)2026
Diopside  (*)PyroxeneCaMgSi2O604135
Dolomite  (*)NoneCaMg(CO3)209895
Elbaite  (*)TourmalineNa(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH)0520
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)08173
Fluorapatite  (*)ApatiteCa5(PO4)3F02740
Forsterite  (*)OlivineMg2(SiO4)01188
Galena  (*)RocksaltPbS024243
Greenockite  (*)WurtziteCdS0717
Heulandite-Ca  (*)Heulandite(Ca,Na,K)5(Si27Al9)O72·26H2O0246
Ilmenite  (*)CorundumFe2+Ti4+O305433
Kyanite  (*)Not in a structural groupAl2OSiO401507
Laumontite  (*)Not in a structural groupCaAl2Si4O12·4H2O01271
Lithiophilite  (*)OlivineLiMn2+(PO4)0155
Magnetite  (*)SpinelFe2+Fe3+2O4014899
Metaswitzerite  (*)NoneMn2+3(PO4)2·4H2O022
Microcline  (*)FeldsparK(AlSi3O8)04924
Molybdenite  (*)MolybdeniteMoS205800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2017380
Opal  (*)AmorphousSiO2·nH2O02994
Orthoclase  (*)FeldsparK(AlSi3O8)02349
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)202273
Pyrite  (*)PyriteFeS2039462
Pyromorphite  (*)ApatitePb5(PO4)3Cl01725
Pyrrhotite  (*)NickelineFe7S809056
Quartz  (*)QuartzSiO2061156
Rutile  (*)RutileTiO205614
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)02705
Sepiolite  (*)Sepiolite ClayMg4Si6O15(OH)2·6H2O0241
Sillimanite  (*)Not in a structural groupAl2SiO501516
Sphalerite  (*)SphaleriteZnS021482
Spodumene  (*)PyroxeneLiAlSi2O60688
Staurolite  (*)StauroliteFe2+2Al9Si4O23(OH)0978
Stilbite-Ca  (*)StilbiteNaCa4(Si27Al9)O72·28H2O0268
Talc  (*)Clay TalcMg3Si4O10(OH)203337
Titanite  (*)TitaniteCaTi(SiO4)O04899
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)202562
Triphylite  (*)OlivineLiFe2+(PO4)0313
Vivianite  (*)VivianiteFe2+3(PO4)2·8H2O0636
Wollastonite  (*)WollastoniteCaSiO301247
Zircon  (*)ZirconZr(SiO4)05251
Zoisite  (*)EpidoteCa2Al3[Si2O7][SiO4]O(OH)01025


No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

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