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:
Berkshire Co., Massachusetts, USA

Oldest recorded age at locality: 774
Youngest recorded age at locality: 522

mindat Locality ID: 15272
mindat URL: http://www.mindat.org/loc-15272.html

Tectonic Settings:

Total number of sublocalities beneath "Berkshire Co., Massachusetts, USA": 169
Total number of bottom-level sublocalities: 143

Number of Child Localities: 27
Child Localities:
Adams
Alford
Becket
Cheshire
Clarksburg
Dalton
Florida
Great Barrington
Hinsdale
Lanesborough
Lee
Lenox
New Ashford
New Marlborough
North Adams
Otis
Pittsfield
Richmond
Sandisfield
Savoy
Sheffield
Stockbridge Valley Brown Iron Ore District
Tyringham
Washington
West Stockbridge
Williamstown
Windsor

Latitude: 42°22'32"N
Longitude: 73°12'31"W
Decimal Degree (lat, lon): 42.375555555556,-73.208611111111
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 Au B Ba Be C Ca Cr Cu F Fe H K Mg Mo Na Ni O P Pb S Si Ti Zn Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneAmorphousAmphiboleApatiteAragoniteBaryteBerylBruciteCalciteChalcopyrite
ChloriteChloritoidClayClinozoisiteCopperCorundumDiasporeEpidoteFeldsparFluorite
GarnetGypsumHumiteKaoliniteMalachiteMicaMolybdeniteNatroliteNickelineNone
Not in a structural groupOlivinePentlanditePyritePyroxeneQuartzRocksaltRutileSerpentineSmectite-vermiculite
SphaleriteSpinelStauroliteTalcTitaniteTourmalineVesuvianiteWollastoniteZircon

68 IMA Minerals at location:
Actinolite  (*)Albite  (*)Allophane  (*)Almandine  (*)Anthophyllite  (*)
Antigorite  (*)Aragonite  (*)Augite  (*)Baryte  (*)Beryl  (*)
Brucite  (*)Calcite  (*)Chalcopyrite  (*)Chloritoid  (*)Chondrodite  (*)
Chromite  (*)Chrysotile  (*)Clinochlore  (*)Cordierite  (*)Diopside  (*)
Dolomite  (*)Epidote  (*)Fluorapatite  (*)Fluorite  (*)Forsterite  (*)
Galena  (*)Gibbsite  (*)Goethite  (*)Gold  (*)Graphite  (*)
Gypsum  (*)Hedenbergite  (*)Hematite  (*)Ilmenite  (*)Kaolinite  (*)
Kyanite  (*)Laumontite  (*)Magnesite  (*)Magnetite  (*)Malachite  (*)
Margarite  (*)Microcline  (*)Molybdenite  (*)Muscovite  (*)Natrolite  (*)
Opal  (*)Orthoclase  (*)Paragonite  (*)Pentlandite  (*)Phlogopite  (*)
Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Rutile  (*)Schorl  (*)
Scolecite  (*)Siderite  (*)Sillimanite  (*)Sphalerite  (*)Staurolite  (*)
Talc  (*)Titanite  (*)Tremolite  (*)Vermiculite  (*)Vesuvianite  (*)
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)212219096,219098,219109,219126,219133,219134,219136,219189,219216,219232,219236,2192383419
Albite  (*)FeldsparNa(AlSi3O8)7745224219088,219096,219173,2192358803
Allophane  (*)AllophaneAl2O3(SiO2)1.3-2.0·2.5-3.0H2O1219203470
Almandine  (*)GarnetFe2+3Al2(SiO4)37745227219096,219109,219159,219228,219230,219233,2192352353
Anthophyllite  (*)Amphibole   Mg2Mg5Si8O22(OH)26219086,219087,219112,219113,219134,219139718
Antigorite  (*)Serpentine ClayMg3Si2O5(OH)46219109,219126,219127,219128,219207,219210708
Aragonite  (*)AragoniteCa(CO3)5219080,219091,219106,219183,2192153250
Augite  (*)Pyroxene(Ca,Mg,Fe)2Si2O63219131,219171,2192162060
Baryte  (*)BaryteBa(SO4)774522121909611547
Beryl  (*)BerylBe3Al2Si6O1812191894286
Brucite  (*)BruciteMg(OH)23219109,219126,219127462
Calcite  (*)CalciteCa(CO3)77452225219077,219080,219090,219091,219096,219097,219099,219106,219112,219133,219159,219160,219166,219171,219176,219184,219188,219215,219216,219218,219224,219226,219229,219232,21923627770
Chalcopyrite  (*)ChalcopyriteCuFeS211219096,219097,219106,219171,219232,219234,219236,219240,219241,219242,21924327198
Chloritoid  (*)ChloritoidFe2+Al2O(SiO4)(OH)23219088,219233,219235376
Chondrodite  (*)HumiteMg5(SiO4)2F28219096,219098,219131,219133,219159,219172,219216,219232285
Chromite  (*)SpinelFe2+Cr2O42219134,2192323902
Chrysotile  (*)Serpentine ClayMg3Si2O5(OH)41219109951
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)83219112,219133,2191341756
Cordierite  (*)BerylMg2Al4Si5O1812191701008
Diopside  (*)PyroxeneCaMgSi2O67745228219096,219133,219170,219189,219209,219216,219218,2192324135
Dolomite  (*)NoneCaMg(CO3)26219088,219091,219160,219170,219215,2192269895
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)7745225219096,219099,219109,219112,2192088173
Fluorapatite  (*)ApatiteCa5(PO4)3F77452212190992740
Fluorite  (*)FluoriteCaF277452212190999617
Forsterite  (*)OlivineMg2(SiO4)12191091188
Galena  (*)RocksaltPbS7745227219080,219093,219096,219106,219168,219215,21923124243
Gibbsite  (*)NoneAl(OH)34219163,219203,219215,219220504
Goethite  (*)DiasporeFeO(OH)11219107,219137,219146,219182,219185,219203,219214,219215,219219,219220,2192237437
Gold  (*)CopperAu9219081,219171,219206,219208,219228,219230,219234,219239,21924430554
Graphite  (*)NoneC77452212219086,219087,219096,219101,219109,219133,219159,219171,219189,219209,219216,2192182812
Gypsum  (*)GypsumCa(SO4)·2H2O12192036890
Hedenbergite  (*)PyroxeneCaFe2+Si2O67745221219096741
Hematite  (*)CorundumFe2O316219082,219091,219106,219107,219109,219118,219140,219141,219146,219147,219148,219149,219185,219215,219220,21922314640
Ilmenite  (*)CorundumFe2+Ti4+O37745224219099,219112,219208,2192165433
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)42219170,2192165591
Kyanite  (*)Not in a structural groupAl2OSiO47745223219096,219216,2192321507
Laumontite  (*)Not in a structural groupCaAl2Si4O12·4H2O12192161271
Magnesite  (*)CalciteMg(CO3)12192321487
Magnetite  (*)SpinelFe2+Fe3+2O477452219219081,219096,219109,219124,219126,219127,219131,219133,219134,219136,219159,219172,219206,219208,219216,219236,219239,219242,21924414899
Malachite  (*)MalachiteCu2(CO3)(OH)2121922212537
Margarite  (*)Mica ClayCaAl2Si2Al2O10(OH)21219235168
Microcline  (*)FeldsparK(AlSi3O8)12192164924
Molybdenite  (*)MolybdeniteMoS22219086,2191315800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)277452226219077,219088,219091,219099,219100,219109,219112,219159,219160,219175,219176,219181,219182,219184,219185,219215,219216,219220,219223,219224,219228,219229,219230,219232,219233,21923517380
Natrolite  (*)NatroliteNa2(Si3Al2)O10·2H2O12192161236
Opal  (*)AmorphousSiO2·nH2O12191242994
Orthoclase  (*)FeldsparK(AlSi3O8)7745224219096,219112,219170,2192162349
Paragonite  (*)Mica ClayNaAl2(Si3Al)O10(OH)22219233,219235247
Pentlandite  (*)Pentlandite(Ni,Fe)9S812191711512
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)210219096,219098,219131,219133,219159,219172,219188,219216,219218,2192262273
Pyrite  (*)PyriteFeS277452237219079,219080,219090,219091,219093,219096,219097,219098,219099,219106,219124,219126,219127,219133,219134,219136,219159,219160,219173,219176,219184,219188,219189,219208,219215,219220,219224,219226,219229,219232,219234,219236,219238,219240,219241,219242,21924339462
Pyrrhotite  (*)NickelineFe7S85219096,219097,219112,219171,2192099056
Quartz  (*)QuartzSiO277452242219077,219082,219088,219096,219106,219109,219111,219112,219124,219131,219132,219133,219134,219140,219141,219143,219169,219170,219175,219176,219177,219178,219181,219182,219183,219184,219185,219188,219189,219208,219215,219216,219218,219220,219223,219224,219226,219227,219229,219232,219233,21923761156
Rutile  (*)RutileTiO22219232,2192375614
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)6219106,219112,219131,219204,219208,2192152705
Scolecite  (*)NatroliteCa(Si3Al2)O10·3H2O1219216390
Siderite  (*)CalciteFe(CO3)2219215,2192206417
Sillimanite  (*)Not in a structural groupAl2SiO512192321516
Sphalerite  (*)SphaleriteZnS2219215,21922021482
Staurolite  (*)StauroliteFe2+2Al9Si4O23(OH)1219233978
Talc  (*)Clay TalcMg3Si4O10(OH)277452219219080,219091,219096,219109,219112,219124,219126,219127,219128,219133,219134,219136,219160,219207,219210,219215,219232,219236,2192383337
Titanite  (*)TitaniteCaTi(SiO4)O7745228219096,219098,219099,219131,219159,219189,219216,2192184899
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)277452214219091,219096,219112,219114,219126,219131,219133,219159,219160,219167,219172,219215,219216,2192322562
Vermiculite  (*)Clay Smectite-vermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O1219216652
Vesuvianite  (*)Vesuvianite(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)1012191091395
Wollastonite  (*)WollastoniteCaSiO377452212190961247
Zircon  (*)ZirconZr(SiO4)7745222219099,2191095251
Zoisite  (*)EpidoteCa2Al3[Si2O7][SiO4]O(OH)12191331025


12 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
USGS-U-Th-Pb-02411_206_238597597597206_238material inherited from source rock, maximum age for unit; age of intrusionzircon   Zircon  52181Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02411_207_206774774774207_206material inherited from source rock, maximum age for unit; age of intrusionzircon   Zircon  52181Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02411_207_235635635635207_235material inherited from source rock, maximum age for unit; age of intrusionzircon   Zircon  52181Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02412_206_238582582582206_238material inherited from source rock, maximum age for unit; age of intrusionzircon   Zircon  52181Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02412_207_206757757757207_206material inherited from source rock, maximum age for unit; age of intrusionzircon   Zircon  52181Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02412_207_235619619619207_235material inherited from source rock, maximum age for unit; age of intrusionzircon   Zircon  52181Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02413_206_238534534534206_238material inherited from source rock, maximum age for unit; age of intrusionzircon   Zircon  52181Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02413_207_206705705705207_206material inherited from source rock, maximum age for unit; age of intrusionzircon   Zircon  52181Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02413_207_235568568568207_235material inherited from source rock, maximum age for unit; age of intrusionzircon   Zircon  52181Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02414_206_238522522522206_238material inherited from source rock, maximum age for unit; age of intrusionzircon   Zircon  52181Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02414_207_206683683683207_206material inherited from source rock, maximum age for unit; age of intrusionzircon   Zircon  52181Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02414_207_235553553553207_235material inherited from source rock, maximum age for unit; age of intrusionzircon   Zircon  52181Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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