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:
Becket, Berkshire Co., Massachusetts, USA

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

mindat Locality ID: 52182
mindat URL: http://www.mindat.org/loc-52182.html

Tectonic Settings:

Total number of sublocalities beneath "Becket, Berkshire Co., Massachusetts, USA": 4
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Alderman Copper Mine
Alderman Marble Quarry
Hudson & Chester Quarry
McClellan & Goodwin Quarry

Latitude: 42°14'41"N
Longitude: 73°'58"W
Decimal Degree (lat, lon): 42.244722222222,-73.016111111111
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 Ba C Ca Cu F Fe H K Mg Na O P Pb S Si Ti Zr 

Elements from minerals reported directly at this locality: Al Ba C Ca Fe H K Mg Na O Pb S Si 

Structural Groups for minerals in this locality: 
AmphiboleApatiteBaryteCalciteChalcopyriteClayClinozoisiteCorundumEpidoteFeldspar
FluoriteGarnetHumiteMicaNickelineNoneNot in a structural groupPyritePyroxeneQuartz
RocksaltSpinelTalcTitaniteWollastoniteZircon

28 IMA Minerals at location:
Actinolite  (*)Albite  (*)Almandine  (*)Baryte  (*)Calcite  (*)
Chalcopyrite  (*)Chondrodite  (*)Diopside  (*)Epidote  (*)Fluorapatite  (*)
Fluorite  (*)Galena  (*)Graphite  (*)Hedenbergite  (*)Ilmenite  (*)
Kyanite  (*)Magnetite  (*)Muscovite  (*)Orthoclase  (*)Phlogopite  (*)
Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Talc  (*)Titanite  (*)
Tremolite  (*)Wollastonite  (*)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)212190983419
Albite  (*)FeldsparNa(AlSi3O8)77452208803
Almandine  (*)GarnetFe2+3Al2(SiO4)377452202353
Baryte  (*)BaryteBa(SO4)774522011547
Calcite  (*)CalciteCa(CO3)7745222219097,21909927770
Chalcopyrite  (*)ChalcopyriteCuFeS2121909727198
Chondrodite  (*)HumiteMg5(SiO4)2F21219098285
Diopside  (*)PyroxeneCaMgSi2O677452204135
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)77452212190998173
Fluorapatite  (*)ApatiteCa5(PO4)3F77452212190992740
Fluorite  (*)FluoriteCaF277452212190999617
Galena  (*)RocksaltPbS774522024243
Graphite  (*)NoneC77452202812
Hedenbergite  (*)PyroxeneCaFe2+Si2O67745220741
Ilmenite  (*)CorundumFe2+Ti4+O377452212190995433
Kyanite  (*)Not in a structural groupAl2OSiO477452201507
Magnetite  (*)SpinelFe2+Fe3+2O4774522014899
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)27745222219099,21910017380
Orthoclase  (*)FeldsparK(AlSi3O8)77452202349
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)212190982273
Pyrite  (*)PyriteFeS27745223219097,219098,21909939462
Pyrrhotite  (*)NickelineFe7S812190979056
Quartz  (*)QuartzSiO2774522061156
Talc  (*)Clay TalcMg3Si4O10(OH)277452203337
Titanite  (*)TitaniteCaTi(SiO4)O7745222219098,2190994899
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)277452202562
Wollastonite  (*)WollastoniteCaSiO377452201247
Zircon  (*)ZirconZr(SiO4)77452212190995251


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

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