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:
Hampshire Co., Massachusetts, USA

Oldest recorded age at locality: 373
Youngest recorded age at locality: 336.3

mindat Locality ID: 15207
mindat URL: http://www.mindat.org/loc-15207.html

Tectonic Settings:

Total number of sublocalities beneath "Hampshire Co., Massachusetts, USA": 50
Total number of bottom-level sublocalities: 34

Number of Child Localities: 18
Child Localities:
Amherst
Belchertown
Chesterfield
Cummington
Easthampton
Goshen
Granby
Hadley
Hatfield
Huntington (Norwich)
Middlefield
Northampton
Pelham
Plainfield
South Hadley
Ware
Williamsburg
Worthington

Latitude: 42°23'5"N
Longitude: 72°41'42"W
Decimal Degree (lat, lon): 42.384722222222,-72.695
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 B Ba Be C Ca Ce Cl Co Cr Cs Cu F Fe H K Li Mg Mn Mo Na Nb O P Pb S Sb Si Sn Ti U W Zn Zr 

Elements from minerals reported directly at this locality: C Ca Fe Mg O 

Structural Groups for minerals in this locality: 
AllaniteAllophaneAluniteAmorphousAmphiboleAnalcimeAndalusiteApatiteAragoniteArsenopyrite
AutuniteBaryteBerylBrochantiteCalciteCaledoniteChalcanthiteChalcopyriteChloriteClay
ClinozoisiteCobaltiteColumbiteCopperCoronaditeCorundumCovelliteDiasporeEpidoteFeldspar
FluoriteGadoliniteGarnetGypsumHumiteKaoliniteLöllingiteLinariteMalachiteMarcasite
MicaMolybdeniteNatroliteNickelineNoneNot in a structural groupOlivinePectolitePolybasitePrehnite
PyritePyrosmalitePyroxeneQuartzRhodoniteRocksaltRutileScheeliteSerpentineSmectite-vermiculite
SphaleriteSpinelStauroliteStilpnomelaneSulphurTalcTitaniteTourmalineVivianiteZircon

138 IMA Minerals at location:
Actinolite  (*)Alabandite  (*)Albite  (*)Allanite-(Ce)  (*)Alleghanyite  (*)
Allophane  (*)Almandine  (*)Andalusite  (*)Anglesite  (*)Anhydrite  (*)
Ankerite  (*)Annite  (*)Anorthite  (*)Anthophyllite  (*)Antigorite  (*)
Aragonite  (*)Arsenopyrite  (*)Aurichalcite  (*)Autunite  (*)Azurite  (*)
Babingtonite  (*)Bafertisite  (*)Baryte  (*)Bementite  (*)Beryl  (*)
Birnessite  (*)Bornite  (*)Brochantite  (*)Calcite  (*)Caledonite  (*)
Caryopilite  (*)Cassiterite  (*)Cerussite  (*)Chalcanthite  (*)Chalcocite  (*)
Chalcopyrite  (*)Chondrodite  (*)Chromite  (*)Chrysocolla  (*)Chrysotile  (*)
Clinochlore  (*)Cobaltite  (*)Columbite-(Fe)  (*)Columbite-(Mn)  (*)Cordierite  (*)
Corundum  (*)Covellite  (*)Cryptomelane  (*)Cummingtonite  (*)Cuprite  (*)
Datolite  (*)Diopside  (*)Djurleite  (*)Dravite  (*)Elbaite  (*)
Enstatite  (*)Epidote  (*)Ferro-hornblende  (*)Fluorapatite  (*)Fluorite  (*)
Forsterite  (*)Galena  (*)Gedrite  (*)Goethite  (*)Gold  (*)
Grunerite  (*)Gypsum  (*)Hematite  (*)Hemimorphite  (*)Heterosite  (*)
Hübnerite  (*)Hydrocerussite  (*)Hydrozincite  (*)Ilmenite  (*)Jacobsite  (*)
Kaolinite  (*)Kutnohorite  (*)Kyanite  (*)Langite  (*)Laumontite  (*)
Leadhillite  (*)Linarite  (*)Litharge  (*)Löllingite  (*)Magnetite  (*)
Malachite  (*)Marcasite  (*)Margarite  (*)Mendipite  (*)Microcline  (*)
Molybdenite  (*)Montmorillonite  (*)Muscovite  (*)Natrolite  (*)Neotocite  (*)
Opal  (*)Pectolite  (*)Plumbogummite  (*)Pollucite  (*)Polybasite  (*)
Prehnite  (*)Pyrite  (*)Pyrolusite  (*)Pyromorphite  (*)Pyrophanite  (*)
Pyrrhotite  (*)Quartz  (*)Ranciéite  (*)Rhodochrosite  (*)Rhodonite  (*)
Rutile  (*)Schallerite  (*)Scheelite  (*)Schorl  (*)Scolecite  (*)
Siderite  (*)Sillimanite  (*)Silver  (*)Smithsonite  (*)Sonolite  (*)
Spessartine  (*)Sphalerite  (*)Spodumene  (*)Staurolite  (*)Stilpnomelane  (*)
Sulphur  (*)Takanelite  (*)Talc  (*)Tephroite  (*)Titanite  (*)
Triphylite  (*)Vermiculite  (*)Vivianite  (*)Witherite  (*)Wroewolfeite  (*)
Wulfenite  (*)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)28219520,219534,219547,219548,219557,219560,219563,2195643419
Alabandite  (*)RocksaltMnS1219560312
Albite  (*)FeldsparNa(AlSi3O8)373336.310219520,219523,219524,219525,219531,219533,219536,219547,219552,2195618803
Allanite-(Ce)  (*)Allanite EpidoteCaCe(Al2Fe2+)[Si2O7][SiO4]O(OH)1219552706
Alleghanyite  (*)HumiteMn2+5(SiO4)2(OH)22219527,21956077
Allophane  (*)AllophaneAl2O3(SiO2)1.3-2.0·2.5-3.0H2O1219519470
Almandine  (*)GarnetFe2+3Al2(SiO4)3373336.33219522,219523,2195472353
Andalusite  (*)AndalusiteAl2SiO512195411310
Anglesite  (*)BarytePb(SO4)12195312734
Anhydrite  (*)Not in a structural groupCa(SO4)2219550,2195511588
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)2373336.303092
Annite  (*)Mica ClayKFe2+3(AlSi3O10)(OH)21219547356
Anorthite  (*)FeldsparCa(Al2Si2O8)2219557,2195631036
Anthophyllite  (*)Amphibole   Mg2Mg5Si8O22(OH)21219557718
Antigorite  (*)Serpentine ClayMg3Si2O5(OH)41219557708
Aragonite  (*)AragoniteCa(CO3)12195313250
Arsenopyrite  (*)ArsenopyriteFeAsS2219531,2195609052
Aurichalcite  (*)None(Zn,Cu)5(CO3)2(OH)61219531919
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O373336.32219523,2195471272
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)22219531,2195375509
Babingtonite  (*)RhodoniteCa2Fe2+Fe3+Si5O14(OH)1219518161
Bafertisite  (*)NoneBa2Fe2+4Ti2(Si2O7)2O2(OH)2F2121956016
Baryte  (*)BaryteBa(SO4)6219531,219536,219540,219542,219552,21956011547
Bementite  (*)ClayMn7Si6O15(OH)81219560173
Beryl  (*)BerylBe3Al2Si6O18373336.38219519,219521,219523,219524,219525,219533,219547,2195644286
Birnessite  (*)None(Na,Ca,K)0.6(Mn4+,Mn3+)2O4·1.5H2O1219527178
Bornite  (*)NoneCu5FeS412195315516
Brochantite  (*)BrochantiteCu4(SO4)(OH)612195311633
Calcite  (*)CalciteCa(CO3)9219518,219519,219531,219534,219542,219547,219551,219552,21956427770
Caledonite  (*)CaledoniteCu2Pb5(SO4)3(CO3)(OH)61219531359
Caryopilite  (*)Clay SerpentineMn2+3Si2O5(OH)4121956083
Cassiterite  (*)RutileSnO2373336.32219523,2195335171
Cerussite  (*)AragonitePb(CO3)2219531,2195424979
Chalcanthite  (*)ChalcanthiteCu(SO4)·5H2O1219531925
Chalcocite  (*)NoneCu2S2219520,2195315707
Chalcopyrite  (*)ChalcopyriteCuFeS27219518,219531,219537,219540,219542,219560,21956427198
Chondrodite  (*)HumiteMg5(SiO4)2F21219548285
Chromite  (*)SpinelFe2+Cr2O412195573902
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O2219520,2195313531
Chrysotile  (*)Serpentine ClayMg3Si2O5(OH)41219557951
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)812195601756
Cobaltite  (*)CobaltiteCoAsS1219560966
Columbite-(Fe)  (*)ColumbiteFe2+Nb2O6373336.31219523518
Columbite-(Mn)  (*)ColumbiteMn2+Nb2O6373336.32219523,219533289
Cordierite  (*)BerylMg2Al4Si5O1812195631008
Corundum  (*)CorundumAl2O312195571797
Covellite  (*)CovelliteCuS12195314165
Cryptomelane  (*)CoronaditeK(Mn4+7Mn3+)O161219560599
Cummingtonite  (*)Amphibole   Mg2Mg5Si8O22(OH)21219560327
Cuprite  (*)Not in a structural groupCu2O12195312970
Datolite  (*)GadoliniteCaB(SiO4)(OH)1219518498
Diopside  (*)PyroxeneCaMgSi2O62219519,2195474135
Djurleite  (*)NoneCu31S161219531300
Dravite  (*)TourmalineNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)1219547648
Elbaite  (*)TourmalineNa(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH)373336.32219523,219533520
Enstatite  (*)PyroxeneMg2Si2O61219557944
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)5219519,219520,219557,219558,2195608173
Ferro-hornblende  (*)Amphibole   Ca2(Fe2+4Al)(Si7Al)O22(OH)21219560271
Fluorapatite  (*)ApatiteCa5(PO4)3F3219533,219547,2195602740
Fluorite  (*)FluoriteCaF25219531,219540,219542,219552,2195609617
Forsterite  (*)OlivineMg2(SiO4)12195481188
Galena  (*)RocksaltPbS8219518,219531,219540,219542,219544,219553,219560,21956424243
Gedrite  (*)Amphibole   Mg2(Mg3Al2)(Si6Al2)O22(OH)21219563178
Goethite  (*)DiasporeFeO(OH)12195317437
Gold  (*)CopperAu121956030554
Grunerite  (*)Amphibole   Fe2+2Fe2+5Si8O22(OH)23219527,219528,219560223
Gypsum  (*)GypsumCa(SO4)·2H2O2219551,2195606890
Hematite  (*)CorundumFe2O33219518,219531,21956014640
Hemimorphite  (*)Not in a structural groupZn4(Si2O7)(OH)2·H2O2219531,2195421689
Heterosite  (*)OlivineFe3+(PO4)1219547204
Hübnerite  (*)ColumbiteMn2+(WO4)1219560469
Hydrocerussite  (*)NonePb3(CO3)2(OH)21219531201
Hydrozincite  (*)NoneZn5(CO3)2(OH)612195311066
Ilmenite  (*)CorundumFe2+Ti4+O32219547,2195605433
Jacobsite  (*)SpinelMn2+Fe3+2O41219560172
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)412195585591
Kutnohorite  (*)NoneCaMn2+(CO3)21219560234
Kyanite  (*)Not in a structural groupAl2OSiO43733695219521,219522,219547,219565,2195661507
Langite  (*)NoneCu4(SO4)(OH)6·2H2O1219531593
Laumontite  (*)Not in a structural groupCaAl2Si4O12·4H2O12195521271
Leadhillite  (*)NonePb4(SO4)(CO3)2(OH)21219531265
Linarite  (*)LinariteCuPb(SO4)(OH)21219531987
Litharge  (*)NonePbO1219531139
Löllingite  (*)LöllingiteFeAs21219560762
Magnetite  (*)SpinelFe2+Fe3+2O44219548,219557,219558,21956014899
Malachite  (*)MalachiteCu2(CO3)(OH)25219520,219531,219537,219542,21956412537
Marcasite  (*)MarcasiteFeS212195605674
Margarite  (*)Mica ClayCaAl2Si2Al2O10(OH)21219557168
Mendipite  (*)NonePb3O2Cl2121953117
Microcline  (*)FeldsparK(AlSi3O8)373336.36219523,219533,219536,219545,219547,2195574924
Molybdenite  (*)MolybdeniteMoS212195605800
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O2219531,2195331508
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2373336.310219523,219524,219525,219531,219533,219536,219547,219558,219560,21956317380
Natrolite  (*)NatroliteNa2(Si3Al2)O10·2H2O12195621236
Neotocite  (*)Allophane(Mn,Fe)SiO3·H2O (?)1219560186
Opal  (*)AmorphousSiO2·nH2O2219531,2195372994
Pectolite  (*)PectoliteNaCa2Si3O8(OH)1219518363
Plumbogummite  (*)AlunitePbAl3(PO4)(PO3OH)(OH)61219531170
Pollucite  (*)AnalcimeCs(Si2Al)O6·nH2O1219533140
Polybasite  (*)Polybasite[Ag9CuS4][(Ag,Cu)6(Sb,As)2S7]1219531716
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)24219518,219519,219552,2195581898
Pyrite  (*)PyriteFeS29219518,219531,219536,219540,219542,219551,219558,219560,21956439462
Pyrolusite  (*)RutileMnO22219531,2195603106
Pyromorphite  (*)ApatitePb5(PO4)3Cl3219531,219540,2195421725
Pyrophanite  (*)CorundumMn2+TiO31219560244
Pyrrhotite  (*)NickelineFe7S82219560,2195639056
Quartz  (*)QuartzSiO2373336.324219517,219518,219519,219522,219523,219524,219525,219531,219533,219536,219537,219542,219544,219546,219547,219548,219552,219553,219555,219556,219557,219558,219560,21956461156
Ranciéite  (*)None(Ca,Mn2+)0.2(Mn4+,Mn3+)O2·0.6H2O1219560177
Rhodochrosite  (*)CalciteMn(CO3)2219527,2195601711
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)2219527,219560969
Rutile  (*)RutileTiO26219547,219557,219560,219563,219564,2195655614
Schallerite  (*)Pyrosmalite ClayMn2+16As3+3Si12O36(OH)1712195608
Scheelite  (*)ScheeliteCa(WO4)12195604894
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)373336.35219523,219533,219536,219547,2195642705
Scolecite  (*)NatroliteCa(Si3Al2)O10·3H2O2219519,219558390
Siderite  (*)CalciteFe(CO3)2219531,2195476417
Sillimanite  (*)Not in a structural groupAl2SiO512195631516
Silver  (*)CopperAg2219531,2195605186
Smithsonite  (*)CalciteZn(CO3)12195312473
Sonolite  (*)HumiteMn2+9(SiO4)4(OH)2121956050
Spessartine  (*)GarnetMn2+3Al2(SiO4)33733694219524,219525,219527,2195601214
Sphalerite  (*)SphaleriteZnS7219518,219531,219540,219542,219544,219553,21956021482
Spodumene  (*)PyroxeneLiAlSi2O6373336.36219523,219524,219525,219533,219546,219547688
Staurolite  (*)StauroliteFe2+2Al9Si4O23(OH)373336.32219521,219547978
Stilpnomelane  (*)Stilpnomelane Clay(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36·nH2O1219518456
Sulphur  (*)SulphurS12195192045
Takanelite  (*)None(Mn2+,Ca)2x(Mn4+)1-xO2·0.7H2O121956018
Talc  (*)Clay TalcMg3Si4O10(OH)23219548,219549,2195573337
Tephroite  (*)OlivineMn2+2(SiO4)2219527,219560240
Titanite  (*)TitaniteCaTi(SiO4)O2219519,2195584899
Triphylite  (*)OlivineLiFe2+(PO4)1219547313
Vermiculite  (*)Clay Smectite-vermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O1219557652
Vivianite  (*)VivianiteFe2+3(PO4)2·8H2O2219519,219539636
Witherite  (*)AragoniteBa(CO3)1219531251
Wroewolfeite  (*)NoneCu4(SO4)(OH)6·2H2O121953195
Wulfenite  (*)ScheelitePbMoO42219531,2195531655
Zircon  (*)ZirconZr(SiO4)3733696219523,219524,219525,219533,219547,2195585251
Zoisite  (*)EpidoteCa2Al3[Si2O7][SiO4]O(OH)3219547,219548,2195571025


3 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-0183370.89370.59370.74 ± 0.15U-PbAge of pegmatitezircon11DW300a  Zircon  5971Clark Ledge Pegmatite Locality, Chesterfield, Hampshire Co., Massachusetts, USAClark LedgeBradley et al. (2016)10.3749/canmin.1600035CM54_945 
Alexandra-0184341.9336.3339.1 ± 2.8Ar-ArAge of pegmatitemuscovite11Dw300  Muscovite  5971Clark Ledge Pegmatite Locality, Chesterfield, Hampshire Co., Massachusetts, USAClark LedgeBradley et al. (2016)10.3749/canmin.1600035CM54_945 
Bradley_2012_067373369371±2U/Pb zircon   Zircon  5971Clark Ledge Pegmatite Locality, Chesterfield, Hampshire Co., Massachusetts, USAClark LedgeMcCauley and Bradley (2014)10.3749/canmin.52.2.183CM52_183 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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