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:
Strickland Quarry (Eureka Quarry), Strickland Pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries), Collins Hill, Portland, Middlesex Co., Connecticut, USA

Oldest recorded age at locality: 235
Youngest recorded age at locality: 227

mindat Locality ID: 3708
mindat URL: http://www.mindat.org/loc-3708.html

Tectonic Settings:

Total number of sublocalities beneath "Strickland Quarry (Eureka Quarry), Strickland Pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries), Collins Hill, Portland, Middlesex Co., Connecticut, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 41°35'31"N
Longitude: 72°35'30"W
Decimal Degree (lat, lon): 41.591944444444,-72.591666666667
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 Ce Cs Cu F Fe H K Li Mg Mn Mo Na Nb O P Pb S Sc Si Sn Ta Ti U W Zn Zr 

Elements from minerals reported directly at this locality: Al As B Be C Ca Ce Cs Cu F Fe H K Li Mg Mn Mo Na Nb O P Pb S Sc Si Sn Ta Ti U W Zn Zr 

Structural Groups for minerals in this locality: 
AmorphousAmphiboleAnalcimeApatiteAragoniteArrojaditeArseniosideriteArsenopyriteAutuniteBeryl
CalciteChalcopyriteChildreniteChloriteClayClinozoisiteColumbiteCorundumDiasporeEpidote
EpsomiteFairfielditeFeldsparFluoriteGadoliniteGarnetGismondineGypsumHalotrichiteHureaulite
KaoliniteLöllingiteMelanteriteMeliliteMeta-autuniteMicaMolybdeniteMonaziteNickelineNone
Not in a structural groupOlivinePhenakitePyritePyroxeneQuartzRocksaltRutileScheeliteSmectite-vermiculite
SphaleriteSpinelSpurrite-AfwilliteStauroliteSulphurTitaniteTopazTourmalineTripliteWardite
WollastoniteZircon

99 IMA Minerals at location:
Albite  (*)Almandine  (*)Analcime  (*)Anatase  (*)Annite  (*)
Anorthite  (*)Aragonite  (*)Arsenopyrite  (*)Augelite  (*)Augite  (*)
Autunite  (*)Bavenite  (*)Bazzite  (*)Bertrandite  (*)Beryl  (*)
Bityite  (*)Brazilianite  (*)Calcite  (*)Cassiterite  (*)Chalcopyrite  (*)
Clinozoisite  (*)Columbite-(Fe)  (*)Cookeite  (*)Cordierite  (*)Dickinsonite-(KMnNa)  (*)
Diopside  (*)Elbaite  (*)Eosphorite  (*)Epsomite  (*)Fairfieldite  (*)
Fluorapatite  (*)Fluorite  (*)Foitite  (*)Galena  (*)Gehlenite  (*)
Gobbinsite  (*)Goethite  (*)Graphite  (*)Grossular  (*)Groutite  (*)
Gypsum  (*)Hematite  (*)Hureaulite  (*)Hydroxylapatite  (*)Hydroxylherderite  (*)
Kaolinite  (*)Kyanite  (*)Lacroixite  (*)Larnite  (*)Lithiophilite  (*)
Löllingite  (*)Magnesio-hornblende  (*)Magnetite  (*)Masutomilite  (*)Melanterite  (*)
Meta-autunite  (*)Microcline  (*)Mitridatite  (*)Molybdenite  (*)Monazite-(Ce)  (*)
Montebrasite  (*)Montmorillonite  (*)Moraesite  (*)Muscovite  (*)Natrophilite  (*)
Opal  (*)Parsonsite  (*)Petalite  (*)Phenakite  (*)Pickeringite  (*)
Pollucite  (*)Purpurite  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)
Rhodochrosite  (*)Rutile  (*)Scheelite  (*)Schorl  (*)Sicklerite  (*)
Siderite  (*)Spessartine  (*)Sphalerite  (*)Spodumene  (*)Spurrite  (*)
Staurolite  (*)Sulphur  (*)Tantalite-(Mn)  (*)Titanite  (*)Topaz  (*)
Tremolite  (*)Triplite  (*)Uraninite  (*)Uranophane-α  (*)Wardite  (*)
Wodginite  (*)Wollastonite  (*)Zircon  (*)Zoisite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)23522708803
Almandine  (*)GarnetFe2+3Al2(SiO4)323522702353
Analcime  (*)AnalcimeNa(AlSi2O6)·H2O23522701627
Anatase  (*)Not in a structural groupTiO223522702162
Annite  (*)Mica ClayKFe2+3(AlSi3O10)(OH)22352270356
Anorthite  (*)FeldsparCa(Al2Si2O8)23522701036
Aragonite  (*)AragoniteCa(CO3)23522703250
Arsenopyrite  (*)ArsenopyriteFeAsS23522709052
Augelite  (*)NoneAl2(PO4)(OH)3235227079
Augite  (*)Pyroxene(Ca,Mg,Fe)2Si2O623522702060
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O23522701272
Bavenite  (*)NoneCa4Be2+xAl2-xSi9O26-x(OH)2+x (x = 0 to 1)2352270255
Bazzite  (*)BerylBe3(Sc,Fe3+,Mg)2Si6O18·Na0.32·nH2O235227051
Bertrandite  (*)Not in a structural groupBe4Si2O7(OH)22352270606
Beryl  (*)BerylBe3Al2Si6O1823522704286
Bityite  (*)Mica ClayCaLiAl2(Si2BeAl)O10(OH)2235227031
Brazilianite  (*)Not in a structural groupNaAl3(PO4)2(OH)4235227059
Calcite  (*)CalciteCa(CO3)235227027770
Cassiterite  (*)RutileSnO223522705171
Chalcopyrite  (*)ChalcopyriteCuFeS2235227027198
Clinozoisite  (*)Clinozoisite EpidoteCa2Al3[Si2O7][SiO4]O(OH)23522701025
Columbite-(Fe)  (*)ColumbiteFe2+Nb2O62352270518
Cookeite  (*)Chlorite Clay(Al,Li)3Al2(Si,Al)4O10(OH)82352270181
Cordierite  (*)BerylMg2Al4Si5O1823522701008
Dickinsonite-(KMnNa)  (*)ArrojaditeK(NaMn)CaNa3AlMn13(PO4)12(OH)2235227026
Diopside  (*)PyroxeneCaMgSi2O623522704135
Elbaite  (*)TourmalineNa(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH)2352270520
Eosphorite  (*)ChildreniteMn2+Al(PO4)(OH)2·H2O2352270128
Epsomite  (*)EpsomiteMg(SO4)·7H2O2352270484
Fairfieldite  (*)FairfielditeCa2Mn2+(PO4)2·2H2O235227072
Fluorapatite  (*)ApatiteCa5(PO4)3F23522702740
Fluorite  (*)FluoriteCaF223522709617
Foitite  (*)Tourmaline   (Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3(OH)235227075
Galena  (*)RocksaltPbS235227024243
Gehlenite  (*)MeliliteCa2Al(SiAl)O72352270114
Gobbinsite  (*)GismondineNa5(Si11Al5)O32·11H2O235227017
Goethite  (*)DiasporeFeO(OH)23522707437
Graphite  (*)NoneC23522702812
Grossular  (*)GarnetCa3Al2(SiO4)323522701544
Groutite  (*)DiasporeMn3+O(OH)235227072
Gypsum  (*)GypsumCa(SO4)·2H2O23522706890
Hematite  (*)CorundumFe2O3235227014640
Hureaulite  (*)HureauliteMn2+5(PO3OH)2(PO4)2·4H2O2352270125
Hydroxylapatite  (*)ApatiteCa5(PO4)3OH2352270367
Hydroxylherderite  (*)GadoliniteCaBe(PO4)(OH)2352270119
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)423522705591
Kyanite  (*)Not in a structural groupAl2OSiO423522701507
Lacroixite  (*)TitaniteNaAl(PO4)F235227022
Larnite  (*)Not in a structural groupCa2(SiO4)235227048
Lithiophilite  (*)OlivineLiMn2+(PO4)2352270155
Löllingite  (*)LöllingiteFeAs22352270762
Magnesio-hornblende  (*)Amphibole   Ca2(Mg4Al)(Si7Al)O22(OH)22352270238
Magnetite  (*)SpinelFe2+Fe3+2O4235227014899
Masutomilite  (*)MicaKLiAlMn2+(Si3Al)O10(F,OH)2235227012
Melanterite  (*)MelanteriteFe(SO4)·7H2O2352270915
Meta-autunite  (*)Meta-autuniteCa(UO2)2(PO4)2·6H2O2352270388
Microcline  (*)FeldsparK(AlSi3O8)23522704924
Mitridatite  (*)ArseniosideriteCa2Fe3+3O2(PO4)3·3H2O2352270129
Molybdenite  (*)MolybdeniteMoS223522705800
Monazite-(Ce)  (*)MonaziteCe(PO4)2352270945
Montebrasite  (*)NoneLiAl(PO4)(OH)2352270200
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O23522701508
Moraesite  (*)NoneBe2(PO4)(OH)·4H2O235227035
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2235227017380
Natrophilite  (*)OlivineNaMn2+(PO4)23522705
Opal  (*)AmorphousSiO2·nH2O23522702994
Parsonsite  (*)NonePb2(UO2)(PO4)2235227063
Petalite  (*)Not in a structural groupLiAlSi4O102352270124
Phenakite  (*)PhenakiteBe2(SiO4)2352270326
Pickeringite  (*)HalotrichiteMgAl2(SO4)4·22H2O2352270265
Pollucite  (*)AnalcimeCs(Si2Al)O6·nH2O2352270140
Purpurite  (*)OlivineMn3+(PO4)235227080
Pyrite  (*)PyriteFeS2235227039462
Pyrrhotite  (*)NickelineFe7S823522709056
Quartz  (*)QuartzSiO2235227061156
Rhodochrosite  (*)CalciteMn(CO3)23522701711
Rutile  (*)RutileTiO223522705614
Scheelite  (*)ScheeliteCa(WO4)23522704894
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)23522702705
Sicklerite  (*)OlivineLiMn2+(PO4)235227066
Siderite  (*)CalciteFe(CO3)23522706417
Spessartine  (*)GarnetMn2+3Al2(SiO4)323522701214
Sphalerite  (*)SphaleriteZnS235227021482
Spodumene  (*)PyroxeneLiAlSi2O62352270688
Spurrite  (*)Spurrite-AfwilliteCa5(SiO4)2(CO3)235227054
Staurolite  (*)StauroliteFe2+2Al9Si4O23(OH)2352270978
Sulphur  (*)SulphurS23522702045
Tantalite-(Mn)  (*)ColumbiteMn2+Ta2O62352270211
Titanite  (*)TitaniteCaTi(SiO4)O23522704899
Topaz  (*)TopazAl2SiO4F223522701476
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)223522702562
Triplite  (*)TripliteMn2+2(PO4)F2352270233
Uraninite  (*)FluoriteUO223522702718
Uranophane-α  (*)NoneCa(UO2)2(SiO3OH)2·5H2O2352270890
Wardite  (*)WarditeNaAl3(PO4)2(OH)4·2H2O235227058
Wodginite  (*)ColumbiteMn2+Sn4+Ta2O8235227078
Wollastonite  (*)WollastoniteCaSiO323522701247
Zircon  (*)ZirconZr(SiO4)23522705251
Zoisite  (*)EpidoteCa2Al3[Si2O7][SiO4]O(OH)23522701025


1 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
Alexandra-0276235227231±4Rb-SrAge of pegmatite   Yes  217860Strickland Pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries), Collins Hill, Portland, Middlesex Co., Connecticut, USAStrickland pegmatiteBrookins et al. (1969)10.1007/BF00372402CMP22_157 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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