Mineral Evolution Database

Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.

Mineral locality data provided by mindat.org

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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:
Norfolk Co., Massachusetts, USA

Oldest recorded age at locality: 457.15
Youngest recorded age at locality: 350.3

mindat Locality ID: 15053
mindat URL: http://www.mindat.org/loc-15053.html

Tectonic Settings:

Total number of sublocalities beneath "Norfolk Co., Massachusetts, USA": 70
Total number of bottom-level sublocalities: 53

Number of Child Localities: 22
Child Localities:
Bellingham
Braintree
Brookline
Canton
Cohasset
Dedham
Foxborough
Franklin
Holbrook
Medfield
Milton
Needham
Norwood
Plainville
Quincy
Randolph
Sharon
Stoughton
Wellesley
Westwood
Weymouth
Wrentham

Latitude: 42°10'59"N
Longitude: 71°11'23"W
Decimal Degree (lat, lon): 42.183055555556,-71.189722222222

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.

Allophane	Amorphous	Amphibole	Apatite	Aragonite	Astrophyllite	Baryte	Beryl	Brookite	Calcite
Chalcopyrite	Chlorite	Clay	Clinozoisite	Columbite	Copper	Coronadite	Corundum	Covellite	Diaspore
Epidote	Feldspar	Fluorite	Gypsum	Halotrichite	Kaolinite	Malachite	Melanterite	Mica	Molybdenite
Nickeline	None	Not in a structural group	Parisite	Pyrite	Pyroxene	Quartz	Rocksalt	Sapphirine	Scheelite
Serpentine	Sphalerite	Spinel	Talc	Tetrahedrite	Titanite	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 Au Ba Be C Ca Ce Cu F Fe H K Mg Mn Mo Na Nb O Pb S Sb Si Ti Zn Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Amorphous Amphibole Apatite Aragonite Astrophyllite Baryte Beryl Brookite Calcite
Chalcopyrite Chlorite Clay Clinozoisite Columbite Copper Coronadite Corundum Covellite Diaspore
Epidote Feldspar Fluorite Gypsum Halotrichite Kaolinite Malachite Melanterite Mica Molybdenite
Nickeline None Not in a structural group Parisite Pyrite Pyroxene Quartz Rocksalt Sapphirine Scheelite
Serpentine Sphalerite Spinel Talc Tetrahedrite Titanite Zircon

66 IMA Minerals at location:

Actinolite ()*	Aegirine ()*	Aenigmatite ()*	Albite ()*	Anatase ()*
Ankerite ()*	Annite ()*	Anthophyllite ()*	Antigorite ()*	Aragonite ()*
Astrophyllite ()*	Azurite ()*	Baryte ()*	Beryl ()*	Bornite ()*
Britholite-(Ce) ()*	Brookite ()*	Calcite ()*	Cerussite ()*	Chalcocite ()*
Chalcopyrite ()*	Chrysocolla ()*	Chrysotile ()*	Clinochlore ()*	Columbite-(Fe) ()*
Covellite ()*	Cryptomelane ()*	Dickite ()*	Dolomite ()*	Epididymite ()*
Epidote ()*	Fluorite ()*	Galena ()*	Goethite ()*	Gold ()*
Graphite ()*	Gypsum ()*	Halotrichite ()*	Hematite ()*	Ilmenite ()*
Kaolinite ()*	Magnetite ()*	Malachite ()*	Melanterite ()*	Microcline ()*
Molybdenite ()*	Muscovite ()*	Opal ()*	Orthoclase ()*	Parisite-(Ce) ()*
Pickeringite ()*	Piemontite ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*
Riebeckite ()*	Röntgenite-(Ce) ()*	Siderite ()*	Sphalerite ()*	Synchysite-(Ce) ()*
Talc ()*	Tetrahedrite-(Zn) ()*	Titanite ()*	Tremolite ()*	Wulfenite ()*
Zircon ()*

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	219695	3419
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆			21	219710,219711,219721,219722,219723,219724,219725,219726,219727,219728,219729,219731,219732,219733,219734,219735,219736,219737,219738,219741,219751	1022
Aenigmatite ()*	Sapphirine	Na₄[Fe²⁺₁₀Ti₂]O₄[Si₁₂O₃₆]	364.3	350.3	1	219717	133
Albite ()*	Feldspar	Na(AlSi₃O₈)			12	219693,219694,219710,219711,219717,219722,219724,219727,219729,219732,219735,219736	8803
Anatase ()*	Not in a structural group	TiO₂			5	219694,219695,219714,219717,219724	2162
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂			1	219756	3092
Annite ()*	Mica Clay	KFe²⁺₃(AlSi₃O₁₀)(OH)₂			1	219693	356
Anthophyllite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂			1	219712	718
Antigorite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄			1	219759	708
Aragonite ()*	Aragonite	Ca(CO₃)			1	219756	3250
Astrophyllite ()*	Astrophyllite	K₂NaFe²⁺₇Ti₂(Si₄O₁₂)₂O₂(OH)₄F	364.3	350.3	1	219717	161
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂			1	219695	5509
Baryte ()*	Baryte	Ba(SO₄)			2	219695,219712	11547
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈			1	219693	4286
Bornite ()*	None	Cu₅FeS₄			3	219695,219755,219757	5516
Britholite-(Ce) ()*	Apatite	(Ce,Ca)₅(SiO₄)₃(OH)			1	219724	115
Brookite ()*	Brookite	TiO₂			1	219694	700
Calcite ()*	Calcite	Ca(CO₃)	457.15	398.41	14	219705,219710,219711,219712,219714,219715,219722,219724,219728,219735,219739,219749,219750,219756	27770
Cerussite ()*	Aragonite	Pb(CO₃)			1	219757	4979
Chalcocite ()*	None	Cu₂S	457.15	398.41	3	219695,219699,219750	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			7	219696,219699,219717,219724,219755,219757,219758	27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O			1	219697	3531
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄			1	219695	951
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	457.15	398.41	3	219714,219715,219750	1756
Columbite-(Fe) ()*	Columbite	Fe²⁺Nb₂O₆			1	219693	518
Covellite ()*	Covellite	CuS			1	219757	4165
Cryptomelane ()*	Coronadite	K(Mn⁴⁺₇Mn³⁺)O₁₆			1	219709	599
Dickite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	364.3	350.3	1	219717	651
Dolomite ()*	None	CaMg(CO₃)₂			2	219695,219756	9895
Epididymite ()*	Not in a structural group	Na₂Be₂Si₆O₁₅·H₂O	364.3	350.3	1	219717	70
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)			20	219692,219693,219695,219700,219701,219710,219711,219717,219722,219723,219725,219727,219728,219729,219732,219735,219736,219739,219755,219756	8173
Fluorite ()*	Fluorite	CaF₂			13	219710,219711,219717,219722,219724,219725,219727,219728,219729,219732,219735,219739,219745	9617
Galena ()*	Rocksalt	PbS			8	219692,219696,219699,219712,219724,219755,219757,219758	24243
Goethite ()*	Diaspore	FeO(OH)	364.3	350.3	3	219717,219756,219757	7437
Gold ()*	Copper	Au			3	219699,219712,219758	30554
Graphite ()*	None	C			3	219714,219715,219755	2812
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O			2	219708,219715	6890
Halotrichite ()*	Halotrichite	Fe²⁺Al₂(SO₄)₄·22H₂O	364.3	350.3	2	219692,219717	409
Hematite ()*	Corundum	Fe₂O₃			10	219694,219705,219717,219724,219728,219729,219735,219739,219755,219756	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃			8	219693,219704,219724,219725,219726,219728,219729,219736	5433
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			10	219710,219711,219722,219725,219727,219728,219729,219732,219735,219739	5591
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			6	219717,219722,219724,219729,219739,219745	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	457.15	398.41	6	219695,219697,219699,219749,219750,219757	12537
Melanterite ()*	Melanterite	Fe(SO₄)·7H₂O	364.3	350.3	2	219692,219717	915
Microcline ()*	Feldspar	K(AlSi₃O₈)			4	219693,219724,219745,219756	4924
Molybdenite ()*	Molybdenite	MoS₂			1	219724	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			3	219693,219725,219757	17380
Opal ()*	Amorphous	SiO₂·nH₂O			1	219756	2994
Orthoclase ()*	Feldspar	K(AlSi₃O₈)			12	219695,219711,219717,219722,219724,219727,219728,219729,219732,219735,219736,219739	2349
Parisite-(Ce) ()*	Parisite	CaCe₂(CO₃)₃F₂			2	219717,219724	112
Pickeringite ()*	Halotrichite	MgAl₂(SO₄)₄·22H₂O	364.3	350.3	1	219717	265
Piemontite ()*	Epidote	Ca₂(Al₂Mn³⁺)[Si₂O₇][SiO₄]O(OH)			1	219694	260
Pyrite ()*	Pyrite	FeS₂			12	219692,219702,219713,219714,219715,219717,219732,219736,219755,219756,219757,219758	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈			2	219755,219758	9056
Quartz ()*	Quartz	SiO₂	457.15	398.41	37	219691,219693,219694,219695,219699,219703,219704,219705,219709,219710,219711,219712,219714,219715,219716,219717,219722,219723,219724,219725,219726,219727,219728,219729,219731,219732,219734,219735,219736,219739,219740,219745,219749,219755,219756,219757,219758	61156
Riebeckite ()*	Amphibole	Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂			24	219710,219711,219717,219721,219722,219723,219724,219725,219726,219727,219728,219729,219731,219732,219733,219734,219735,219736,219737,219738,219741,219745,219746,219751	375
Röntgenite-(Ce) ()*	None	Ca₂Ce₃(CO₃)₅F₃	364.3	350.3	1	219717	15
Siderite ()*	Calcite	Fe(CO₃)			5	219715,219717,219724,219755,219758	6417
Sphalerite ()*	Sphalerite	ZnS			4	219724,219755,219757,219758	21482
Synchysite-(Ce) ()*	None	CaCe(CO₃)₂F	364.3	350.3	1	219717	232
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂			1	219694	3337
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃			2	219755,219758	5317
Titanite ()*	Titanite	CaTi(SiO₄)O			2	219694,219724	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	457.15	398.41	3	219715,219749,219750	2562
Wulfenite ()*	Scheelite	PbMoO₄			1	219724	1655
Zircon ()*	Zircon	Zr(SiO₄)			9	219722,219724,219728,219729,219732,219735,219736,219739,219745	5251

4 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	MinDat Locality ID	Dated Locality (Max Age)	Reference	Reference ID
USGS-Rb-Sr-01068	361.21	361.21	361.21	Rb-Sr	minimum age of intrusion	whole rock	196053	Bunker Hill Quarry, Quincy, Norfolk Co., Massachusetts, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01069	364.3	350.3	357.3±7	Rb-Sr	minimum age of intrusion	whole rock	196053	Bunker Hill Quarry, Quincy, Norfolk Co., Massachusetts, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01740	398.41	398.41	398.41	Rb-Sr	initial age disturbed by later metamorphism	whole rock	17267	Wellesley, Norfolk Co., Massachusetts, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01741	457.15	457.15	457.15	Rb-Sr	initial age disturbed by later metamorphism	whole rock	17267	Wellesley, Norfolk Co., Massachusetts, USA	USGS-Rb-Sr	USGS-Rb-Sr

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...