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

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The 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.

Amphibole	Apatite	Baryte	Calcite	Chalcopyrite	Clay	Clinozoisite	Corundum	Epidote	Feldspar
Fluorite	Garnet	Humite	Mica	Nickeline	None	Not in a structural group	Pyrite	Pyroxene	Quartz
Rocksalt	Spinel	Talc	Titanite	Wollastonite	Zircon

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 ()*

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:
Amphibole Apatite Baryte Calcite Chalcopyrite Clay Clinozoisite Corundum Epidote Feldspar
Fluorite Garnet Humite Mica Nickeline None Not in a structural group Pyrite Pyroxene Quartz
Rocksalt Spinel Talc Titanite Wollastonite Zircon

28 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂			1	219098	3419
Albite ()*	Feldspar	Na(AlSi₃O₈)	774	522	0		8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	774	522	0		2353
Baryte ()*	Baryte	Ba(SO₄)	774	522	0		11547
Calcite ()*	Calcite	Ca(CO₃)	774	522	2	219097,219099	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			1	219097	27198
Chondrodite ()*	Humite	Mg₅(SiO₄)₂F₂			1	219098	285
Diopside ()*	Pyroxene	CaMgSi₂O₆	774	522	0		4135
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	774	522	1	219099	8173
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	774	522	1	219099	2740
Fluorite ()*	Fluorite	CaF₂	774	522	1	219099	9617
Galena ()*	Rocksalt	PbS	774	522	0		24243
Graphite ()*	None	C	774	522	0		2812
Hedenbergite ()*	Pyroxene	CaFe²⁺Si₂O₆	774	522	0		741
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	774	522	1	219099	5433
Kyanite ()*	Not in a structural group	Al₂OSiO₄	774	522	0		1507
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	774	522	0		14899
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	774	522	2	219099,219100	17380
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	774	522	0		2349
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂			1	219098	2273
Pyrite ()*	Pyrite	FeS₂	774	522	3	219097,219098,219099	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈			1	219097	9056
Quartz ()*	Quartz	SiO₂	774	522	0		61156
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	774	522	0		3337
Titanite ()*	Titanite	CaTi(SiO₄)O	774	522	2	219098,219099	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	774	522	0		2562
Wollastonite ()*	Wollastonite	CaSiO₃	774	522	0		1247
Zircon ()*	Zircon	Zr(SiO₄)	774	522	1	219099	5251

12 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	Dated Mineral	MinDat Locality ID	Dated Locality (Max Age)	Reference	Reference ID
USGS-U-Th-Pb-02411_206_238	597	597	597	206_238	material inherited from source rock, maximum age for unit; age of intrusion	zircon	Zircon	52181	Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02411_207_206	774	774	774	207_206	material inherited from source rock, maximum age for unit; age of intrusion	zircon	Zircon	52181	Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02411_207_235	635	635	635	207_235	material inherited from source rock, maximum age for unit; age of intrusion	zircon	Zircon	52181	Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02412_206_238	582	582	582	206_238	material inherited from source rock, maximum age for unit; age of intrusion	zircon	Zircon	52181	Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02412_207_206	757	757	757	207_206	material inherited from source rock, maximum age for unit; age of intrusion	zircon	Zircon	52181	Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02412_207_235	619	619	619	207_235	material inherited from source rock, maximum age for unit; age of intrusion	zircon	Zircon	52181	Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02413_206_238	534	534	534	206_238	material inherited from source rock, maximum age for unit; age of intrusion	zircon	Zircon	52181	Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02413_207_206	705	705	705	207_206	material inherited from source rock, maximum age for unit; age of intrusion	zircon	Zircon	52181	Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02413_207_235	568	568	568	207_235	material inherited from source rock, maximum age for unit; age of intrusion	zircon	Zircon	52181	Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02414_206_238	522	522	522	206_238	material inherited from source rock, maximum age for unit; age of intrusion	zircon	Zircon	52181	Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02414_207_206	683	683	683	207_206	material inherited from source rock, maximum age for unit; age of intrusion	zircon	Zircon	52181	Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02414_207_235	553	553	553	207_235	material inherited from source rock, maximum age for unit; age of intrusion	zircon	Zircon	52181	Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA	USGS-U-Th-Pb	USGS-U-Th-Pb

All locality data graciously provided by mindat.org

All age data...