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:
White Rock District (White Rocks District), Middletown, Middlesex Co., Connecticut, USA

Oldest recorded age at locality: 277.9
Youngest recorded age at locality: 277.9

mindat Locality ID: 6784
mindat URL: http://www.mindat.org/loc-6784.html

Tectonic Settings:

Total number of sublocalities beneath "White Rock District (White Rocks District), Middletown, Middlesex Co., Connecticut, USA": 4
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Riverside Quarry (Western Quarry)
The Feldspar Corp. Quarry
Unnamed SE Quarry (molybdenite Locality)
White Rocks Quarry (Consolidated Quarry)

Latitude: 41°33'6"N
Longitude: 72°35'50"W
Decimal Degree (lat, lon): 41.551666666667,-72.597222222222

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 Bi Ca Cu F Fe H K Li Mg Mn Mo Na Nb O P S Si Ti U W Y Zn Zr 

Elements from minerals reported directly at this locality: Ca Mn O Si 

Structural Groups for minerals in this locality: 
AmorphousAmphiboleApatiteArsenopyriteAutuniteBerylChalcopyriteChloriteClayColumbite
CorundumDiasporeFeldsparFluoriteGarnetKaoliniteMeta-autuniteMicaMolybdeniteNone
Not in a structural groupPrehnitePyritePyroxeneQuartzRhodoniteRutileScheeliteSphaleriteStibnite
TopazTourmalineVesuvianiteZircon

42 IMA Minerals at location:
Actinolite  (*)Albite  (*)Almandine  (*)Annite  (*)Arsenopyrite  (*)
Autunite  (*)Bertrandite  (*)Beryl  (*)Bismuthinite  (*)Chalcopyrite  (*)
Columbite-(Fe)  (*)Cookeite  (*)Diopside  (*)Elbaite  (*)Fluorapatite  (*)
Fluorite  (*)Goethite  (*)Grossular  (*)Ilmenite  (*)Kaolinite  (*)
Kyanite  (*)Meta-autunite  (*)Microcline  (*)Molybdenite  (*)Muscovite  (*)
Opal  (*)Prehnite  (*)Pyrite  (*)Pyrolusite  (*)Quartz  (*)
Rhodonite  (*)Samarskite-(Y)  (*)Scheelite  (*)Schorl  (*)Sphalerite  (*)
Spodumene  (*)Topaz  (*)Torbernite  (*)Uraninite  (*)Uranophane-α  (*)
Vesuvianite  (*)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)2277.9277.911991543419
Albite  (*)FeldsparNa(AlSi3O8)277.9277.94199151,199152,199153,1991548803
Almandine  (*)GarnetFe2+3Al2(SiO4)3277.9277.93199151,199153,1991542353
Annite  (*)Mica ClayKFe2+3(AlSi3O10)(OH)2277.9277.92199151,199154356
Arsenopyrite  (*)ArsenopyriteFeAsS277.9277.911991549052
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O277.9277.911991541272
Bertrandite  (*)Not in a structural groupBe4Si2O7(OH)2277.9277.91199154606
Beryl  (*)BerylBe3Al2Si6O18277.9277.94199151,199152,199153,1991544286
Bismuthinite  (*)StibniteBi2S3277.9277.911991541935
Chalcopyrite  (*)ChalcopyriteCuFeS2277.9277.9119915427198
Columbite-(Fe)  (*)ColumbiteFe2+Nb2O6277.9277.92199151,199154518
Cookeite  (*)Chlorite Clay(Al,Li)3Al2(Si,Al)4O10(OH)8277.9277.92199151,199154181
Diopside  (*)PyroxeneCaMgSi2O6277.9277.911991544135
Elbaite  (*)TourmalineNa(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH)277.9277.92199151,199154520
Fluorapatite  (*)ApatiteCa5(PO4)3F277.9277.93199151,199153,1991542740
Fluorite  (*)FluoriteCaF2277.9277.92199151,1991549617
Goethite  (*)DiasporeFeO(OH)277.9277.911991517437
Grossular  (*)GarnetCa3Al2(SiO4)3277.9277.911991541544
Ilmenite  (*)CorundumFe2+Ti4+O3277.9277.911991545433
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)4277.9277.911991545591
Kyanite  (*)Not in a structural groupAl2OSiO4277.9277.911991541507
Meta-autunite  (*)Meta-autuniteCa(UO2)2(PO4)2·6H2O277.9277.92199151,199154388
Microcline  (*)FeldsparK(AlSi3O8)277.9277.94199151,199152,199153,1991544924
Molybdenite  (*)MolybdeniteMoS2277.9277.911991535800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2277.9277.94199151,199152,199153,19915417380
Opal  (*)AmorphousSiO2·nH2O277.9277.92199151,1991542994
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)2277.9277.911991541898
Pyrite  (*)PyriteFeS2277.9277.92199153,19915439462
Pyrolusite  (*)RutileMnO2277.9277.903106
Quartz  (*)QuartzSiO2277.9277.94199151,199152,199153,19915461156
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)277.9277.90969
Samarskite-(Y)  (*)ColumbiteYFe3+Nb2O8277.9277.91199154353
Scheelite  (*)ScheeliteCa(WO4)277.9277.911991544894
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)277.9277.93199151,199152,1991542705
Sphalerite  (*)SphaleriteZnS277.9277.9119915421482
Spodumene  (*)PyroxeneLiAlSi2O6277.9277.91199154688
Topaz  (*)TopazAl2SiO4F2277.9277.911991541476
Torbernite  (*)NoneCu(UO2)2(PO4)2·12H2O277.9277.911991541059
Uraninite  (*)FluoriteUO2277.9277.92199151,1991542718
Uranophane-α  (*)NoneCa(UO2)2(SiO3OH)2·5H2O277.9277.91199154890
Vesuvianite  (*)Vesuvianite(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)10277.9277.911991541395
Zircon  (*)ZirconZr(SiO4)277.9277.92199151,1991545251



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
Mo-00159277.9277.9277.9U-Pb monazite  YesMolybdeniteMo17878Middletown, Middlesex Co., Connecticut, USAMiddletownFenner (1932)10.2475/ajs.s5-23.136.327AJS5_327 


SampleSource LocalityReference URL


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