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:
Franklin Co., Massachusetts, USA

Oldest recorded age at locality: 470
Youngest recorded age at locality: 470

mindat Locality ID: 18556
mindat URL: http://www.mindat.org/loc-18556.html

Tectonic Settings:

Total number of sublocalities beneath "Franklin Co., Massachusetts, USA": 57
Total number of bottom-level sublocalities: 42

Number of Child Localities: 20
Child Localities:
Bernardston
Buckland
Charlemont
Colrain
Conway
Deerfield
Erving
Greenfield
Hawley
Heath
Leverett
Leyden
New Salem
Northfield
Orange
Rowe
Shutesbury
Warwick
Wendell
Whately

Latitude: 42°37'18"N
Longitude: 72°33'17"W
Decimal Degree (lat, lon): 42.621666666667,-72.554722222222

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 Bi C Ca Cl Cu F Fe H K Mg Mn Mo Na Ni O P Pb S Si Te Ti Zn 

Elements from minerals reported directly at this locality: Mn O 

Structural Groups for minerals in this locality: 
AllophaneAluniteAmorphousAmphiboleAnalcimeApatiteAragoniteBaryteBerylCalcite
ChabaziteChalcanthiteChalcopyriteChloriteChloritoidClayClinozoisiteCopiapiteCopperCoronadite
CorundumCovelliteCristobaliteCubaniteDiasporeEpidoteEpsomiteFeldsparFluoriteGadolinite
GarnetGypsumHalotrichiteHarmotomeHexahydriteKaoliniteLazuliteLepidocrociteMalachiteMarcasite
MelanteriteMicaMolybdeniteNatroliteNickelineNolaniteNoneNot in a structural groupPrehnitePyrite
PyrophylliteQuartzRhabdophaneRhodoniteRocksaltRutileSerpentineSmectite-vermiculiteSphaleriteSpinel
StarkeyiteStauroliteSulphurTalcTetradymiteThomsoniteTitaniteTourmalineVesuvianiteWurtzite

102 IMA Minerals at location:
Actinolite  (*)Akaganeite  (*)Albite  (*)Allophane  (*)Almandine  (*)
Alunogen  (*)Analcime  (*)Anatase  (*)Anglesite  (*)Anhydrite  (*)
Ankerite  (*)Antigorite  (*)Aragonite  (*)Azurite  (*)Babingtonite  (*)
Baryte  (*)Bassanite  (*)Beryl  (*)Bornite  (*)Calcite  (*)
Cerussite  (*)Chabazite-Ca  (*)Chalcopyrite  (*)Chloritoid  (*)Chrysocolla  (*)
Clinochlore  (*)Copiapite  (*)Copper  (*)Covellite  (*)Cristobalite  (*)
Cubanite  (*)Cuprite  (*)Datolite  (*)Dolomite  (*)Dravite  (*)
Epidote  (*)Epsomite  (*)Ferrihydrite  (*)Ferro-hornblende  (*)Ferrohexahydrite  (*)
Fluorapatite  (*)Fluorite  (*)Gahnite  (*)Galena  (*)Gedrite  (*)
Goethite  (*)Gold  (*)Goslarite  (*)Graphite  (*)Grossular  (*)
Gypsum  (*)Harmotome  (*)Hematite  (*)Hexahydrite  (*)Hydrobasaluminite  (*)
Ilmenite  (*)Jarosite  (*)Kaolinite  (*)Lazulite  (*)Lechatelierite  (*)
Lepidocrocite  (*)Maghemite  (*)Magnetite  (*)Malachite  (*)Marcasite  (*)
Melanterite  (*)Microcline  (*)Mimetite  (*)Molybdenite  (*)Muscovite  (*)
Natrolite  (*)Opal  (*)Pickeringite  (*)Prehnite  (*)Pyrite  (*)
Pyrolusite  (*)Pyrophyllite  (*)Pyrrhotite  (*)Quartz  (*)Rhodonite  (*)
Rozenite  (*)Rutile  (*)Saponite  (*)Schorl  (*)Schwertmannite  (*)
Siderotil  (*)Sillimanite  (*)Silver  (*)Spessartine  (*)Sphalerite  (*)
Staurolite  (*)Sulphur  (*)Talc  (*)Tellurobismuthite  (*)Tetradymite  (*)
Thomsonite-Ca  (*)Titanite  (*)Tremolite  (*)Vermiculite  (*)Vesuvianite  (*)
Wurtzite  (*)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)25219455,219456,219457,219458,2194603419
Akaganeite  (*)Coronadite(Fe3+,Ni2+)8(OH,O)16Cl1.25·nH2O470470121945463
Albite  (*)FeldsparNa(AlSi3O8)4704705219418,219426,219442,219454,2194598803
Allophane  (*)AllophaneAl2O3(SiO2)1.3-2.0·2.5-3.0H2O1219429470
Almandine  (*)GarnetFe2+3Al2(SiO4)347047012219418,219427,219435,219449,219454,219455,219456,219458,219459,219460,219464,2194672353
Alunogen  (*)Not in a structural groupAl2(SO4)3(H2O)12·5H2O4704701219454272
Analcime  (*)AnalcimeNa(AlSi2O6)·H2O2219426,2194461627
Anatase  (*)Not in a structural groupTiO212194422162
Anglesite  (*)BarytePb(SO4)47047012194542734
Anhydrite  (*)Not in a structural groupCa(SO4)12194291588
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)25219416,219418,219455,219459,2194603092
Antigorite  (*)Serpentine ClayMg3Si2O5(OH)43219457,219458,219461708
Aragonite  (*)AragoniteCa(CO3)12194263250
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)22219439,2194405509
Babingtonite  (*)RhodoniteCa2Fe2+Fe3+Si5O14(OH)2219415,219426161
Baryte  (*)BaryteBa(SO4)4704709219426,219430,219437,219438,219439,219440,219446,219448,21945411547
Bassanite  (*)RhabdophaneCa(SO4)·0.5H2O470470121945482
Beryl  (*)BerylBe3Al2Si6O183219443,219445,2194514286
Bornite  (*)NoneCu5FeS412194265516
Calcite  (*)CalciteCa(CO3)10219415,219418,219426,219443,219446,219455,219456,219457,219458,21946127770
Cerussite  (*)AragonitePb(CO3)2219437,2194464979
Chabazite-Ca  (*)ChabaziteCa2[Al4Si8O24]·13H2O1219446310
Chalcopyrite  (*)ChalcopyriteCuFeS247047013219412,219418,219426,219430,219437,219439,219440,219446,219451,219454,219455,219459,21946027198
Chloritoid  (*)ChloritoidFe2+Al2O(SiO4)(OH)21219418376
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O12194263531
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)85219455,219456,219457,219458,2194611756
Copiapite  (*)CopiapiteFe2+Fe3+4(SO4)6(OH)2·20H2O4704701219454382
Copper  (*)CopperCu12194683846
Covellite  (*)CovelliteCuS47047012194544165
Cristobalite  (*)CristobaliteSiO24704701219454453
Cubanite  (*)Cubanite WurtziteCuFe2S34704701219454802
Cuprite  (*)Not in a structural groupCu2O12194262970
Datolite  (*)GadoliniteCaB(SiO4)(OH)1219426498
Dolomite  (*)NoneCaMg(CO3)22219426,2194489895
Dravite  (*)TourmalineNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)3219428,219464,219466648
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)4704708219415,219426,219435,219443,219454,219464,219465,2194668173
Epsomite  (*)EpsomiteMg(SO4)·7H2O4704701219454484
Ferrihydrite  (*)NolaniteFe3+10O14(OH)2470470121945486
Ferro-hornblende  (*)Amphibole   Ca2(Fe2+4Al)(Si7Al)O22(OH)24704704219435,219454,219455,219460271
Ferrohexahydrite  (*)HexahydriteFe2+(SO4)·6H2O470470121945421
Fluorapatite  (*)ApatiteCa5(PO4)3F47047012194542740
Fluorite  (*)FluoriteCaF24219423,219426,219446,2194489617
Gahnite  (*)SpinelZnAl2O44704702219418,219454445
Galena  (*)RocksaltPbS47047011219423,219426,219437,219438,219439,219440,219446,219448,219454,219459,21946824243
Gedrite  (*)Amphibole   Mg2(Mg3Al2)(Si6Al2)O22(OH)21219464178
Goethite  (*)DiasporeFeO(OH)4704705219418,219426,219440,219446,2194547437
Gold  (*)CopperAu4704702219454,21945930554
Goslarite  (*)EpsomiteZn(SO4)·7H2O4704701219454188
Graphite  (*)NoneC9219417,219427,219428,219433,219440,219442,219447,219449,2194642812
Grossular  (*)GarnetCa3Al2(SiO4)312194181544
Gypsum  (*)GypsumCa(SO4)·2H2O4704703219412,219426,2194546890
Harmotome  (*)HarmotomeBa2(Si12Al4)O32·12H2O1219446290
Hematite  (*)CorundumFe2O34704707219412,219426,219432,219435,219443,219454,21946414640
Hexahydrite  (*)HexahydriteMg(SO4)·6H2O4704701219454251
Hydrobasaluminite  (*)NoneAl4(SO4)(OH)10·15H2O470470121945412
Ilmenite  (*)CorundumFe2+Ti4+O34704704219435,219442,219454,2194595433
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)647047012194542228
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)44704703219412,219426,2194545591
Lazulite  (*)LazuliteMgAl2(PO4)2(OH)21219431232
Lechatelierite  (*)AmorphousSiO2121944362
Lepidocrocite  (*)LepidocrociteFe3+O(OH)4704701219454581
Maghemite  (*)Spinel(Fe3+0.67   0.33)Fe3+2O44704701219454229
Magnetite  (*)SpinelFe2+Fe3+2O44704709219412,219431,219432,219435,219454,219455,219459,219460,21946414899
Malachite  (*)MalachiteCu2(CO3)(OH)24219426,219430,219439,21944012537
Marcasite  (*)MarcasiteFeS247047012194545674
Melanterite  (*)MelanteriteFe(SO4)·7H2O4704702219418,219454915
Microcline  (*)FeldsparK(AlSi3O8)3219437,219451,2194524924
Mimetite  (*)ApatitePb5(AsO4)3Cl12194461107
Molybdenite  (*)MolybdeniteMoS24704703219454,219462,2194635800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)247047011219418,219431,219435,219442,219443,219446,219451,219452,219454,219459,21946017380
Natrolite  (*)NatroliteNa2(Si3Al2)O10·2H2O2219415,2194261236
Opal  (*)AmorphousSiO2·nH2O3219426,219437,2194382994
Pickeringite  (*)HalotrichiteMgAl2(SO4)4·22H2O1219418265
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)23219412,219426,2194461898
Pyrite  (*)PyriteFeS247047014219412,219418,219426,219432,219435,219436,219446,219448,219451,219454,219455,219458,219459,21946039462
Pyrolusite  (*)RutileMnO247047003106
Pyrophyllite  (*)Clay PyrophylliteAl2Si4O10(OH)21219439771
Pyrrhotite  (*)NickelineFe7S84704702219442,2194549056
Quartz  (*)QuartzSiO247047023219412,219415,219418,219425,219426,219427,219431,219435,219437,219439,219440,219442,219446,219451,219452,219454,219455,219459,219460,219464,219465,219466,21946861156
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)2219435,219464969
Rozenite  (*)StarkeyiteFe2+(SO4)·4H2O4704701219454293
Rutile  (*)RutileTiO24704704219423,219441,219454,2194685614
Saponite  (*)Clay Smectite-vermiculite(Ca,Na)0.3(Mg,Fe)3(Si,Al)4O10(OH)2·4H2O1219426301
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)12194512705
Schwertmannite  (*)CoronaditeFe3+16O16(OH)9.6(SO4)3.2·10H2O470470121945437
Siderotil  (*)ChalcanthiteFe(SO4)·5H2O470470121945484
Sillimanite  (*)Not in a structural groupAl2SiO52219431,2194421516
Silver  (*)CopperAg47047012194545186
Spessartine  (*)GarnetMn2+3Al2(SiO4)312194351214
Sphalerite  (*)SphaleriteZnS4704709219418,219426,219437,219438,219439,219440,219446,219454,21945921482
Staurolite  (*)StauroliteFe2+2Al9Si4O23(OH)4219427,219437,219442,219449978
Sulphur  (*)SulphurS4704702219437,2194542045
Talc  (*)Clay TalcMg3Si4O10(OH)26219455,219456,219457,219458,219460,2194613337
Tellurobismuthite  (*)TetradymiteBi2Te34704701219454276
Tetradymite  (*)TetradymiteBi2Te2S4704701219454510
Thomsonite-Ca  (*)ThomsoniteNaCa2(Al5Si5)O20·6H2O1219425452
Titanite  (*)TitaniteCaTi(SiO4)O4219426,219442,219464,2194654899
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)22219412,2194182562
Vermiculite  (*)Clay Smectite-vermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O4704701219454652
Vesuvianite  (*)Vesuvianite(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)1012194121395
Wurtzite  (*)WurtziteZnS1219446372
Zoisite  (*)EpidoteCa2Al3[Si2O7][SiO4]O(OH)4704708219421,219422,219423,219432,219436,219441,219443,2194541025



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
vms-01064470470Ordovician       S5972Davis Pyrite Mine (Davis Mine; Davis Sulfur Ore Mine), Rowe, Franklin Co., Massachusetts, USADavisMoiser et al. (2009) USGSOFR2009_1034 


SampleSource LocalityReference URL
R050041Franklin Co., Massachusetts, USAhttps://rruff.info/R050041
R040027Rowe, Franklin Co., Massachusetts, USAhttps://rruff.info/R040027


All locality data graciously provided by mindat.org

All age data...

Other copyright data...