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:
Marlborough, Middlesex Co., Massachusetts, USA

mindat Locality ID: 22968
mindat URL: http://www.mindat.org/loc-22968.html

Tectonic Settings:

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

Number of Child Localities: 4
Child Localities:
Indian Head Hill
Interstate 290/Interstate 495 Interchange Road Cuts
Maple St. Locality
Marlborough Junction Locality

Latitude: 42°20'49"N
Longitude: 71°32'42"W
Decimal Degree (lat, lon): 42.346944444444,-71.545

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.

Allanite	Amorphous	Amphibole	Apatite	Autunite	Beryl	Calcite	Chabazite	Chalcopyrite	Clay
Clinozoisite	Copper	Corundum	Diaspore	Epidote	Feldspar	Garnet	Gypsum	Malachite	Marcasite
Mica	Molybdenite	Monazite	Natrolite	None	Not in a structural group	Prehnite	Pyrite	Pyroxene	Quartz
Rutile	Scapolite	Spinel	Titanite	Tourmaline	Vesuvianite	Zircon

Actinolite ()*	Albite ()*	Allanite-(Ce) ()*	Almandine ()*	Anhydrite ()*
Autunite ()*	Calcite ()*	Chabazite-Ca ()*	Chabazite-K ()*	Chalcopyrite ()*
Clinozoisite ()*	Copper ()*	Cordierite ()*	Diopside ()*	Dolomite ()*
Epidote ()*	Fluorapatite ()*	Goethite ()*	Grossular ()*	Gypsum ()*
Hematite ()*	Ilmenite ()*	Magnetite ()*	Malachite ()*	Marcasite ()*
Meionite ()*	Microcline ()*	Molybdenite ()*	Monazite-(Ce) ()*	Muscovite ()*
Natrolite ()*	Opal ()*	Prehnite ()*	Pyrite ()*	Quartz ()*
Rutile ()*	Schorl ()*	Siderite ()*	Spessartine ()*	Titanite ()*
Tremolite ()*	Vesuvianite ()*	Xenotime-(Y) ()*

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 B C Ca Ce Cu F Fe H K Mg Mn Mo Na O P S Si Ti U Y

Elements from minerals reported directly at this locality: C Fe O

Structural Groups for minerals in this locality:
Allanite Amorphous Amphibole Apatite Autunite Beryl Calcite Chabazite Chalcopyrite Clay
Clinozoisite Copper Corundum Diaspore Epidote Feldspar Garnet Gypsum Malachite Marcasite
Mica Molybdenite Monazite Natrolite None Not in a structural group Prehnite Pyrite Pyroxene Quartz
Rutile Scapolite Spinel Titanite Tourmaline Vesuvianite Zircon

43 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# 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	2	219624,219626	3419
Albite ()*	Feldspar	Na(AlSi₃O₈)	2	219623,219624	8803
Allanite-(Ce) ()*	Allanite Epidote	CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)	1	219624	706
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	2	219624,219626	2353
Anhydrite ()*	Not in a structural group	Ca(SO₄)	1	219624	1588
Autunite ()*	Autunite	Ca(UO₂)₂(PO₄)₂·10-12H₂O	1	219624	1272
Calcite ()*	Calcite	Ca(CO₃)	2	219624,219626	27770
Chabazite-Ca ()*	Chabazite	Ca₂[Al₄Si₈O₂₄]·13H₂O	2	219624,219626	310
Chabazite-K ()*	Chabazite	(K₂NaCa_0.5)[Al₄Si₈O₂₄]·11H₂O	1	219624	30
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	219626	27198
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	1	219626	1025
Copper ()*	Copper	Cu	1	219624	3846
Cordierite ()*	Beryl	Mg₂Al₄Si₅O₁₈	1	219625	1008
Diopside ()*	Pyroxene	CaMgSi₂O₆	1	219626	4135
Dolomite ()*	None	CaMg(CO₃)₂	1	219624	9895
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	2	219623,219626	8173
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	1	219624	2740
Goethite ()*	Diaspore	FeO(OH)	2	219624,219626	7437
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	1	219626	1544
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1	219624	6890
Hematite ()*	Corundum	Fe₂O₃	1	219624	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	219624	5433
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	219624	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	219626	12537
Marcasite ()*	Marcasite	FeS₂	1	219624	5674
Meionite ()*	Scapolite	Ca₄Al₆Si₆O₂₄(CO₃)	1	219624	176
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	219623	4924
Molybdenite ()*	Molybdenite	MoS₂	1	219624	5800
Monazite-(Ce) ()*	Monazite	Ce(PO₄)	1	219624	945
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	2	219623,219625	17380
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	1	219624	1236
Opal ()*	Amorphous	SiO₂·nH₂O	1	219626	2994
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1	219624	1898
Pyrite ()*	Pyrite	FeS₂	2	219624,219626	39462
Quartz ()*	Quartz	SiO₂	3	219623,219624,219626	61156
Rutile ()*	Rutile	TiO₂	2	219623,219624	5614
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	1	219624	2705
Siderite ()*	Calcite	Fe(CO₃)	0		6417
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	1	219624	1214
Titanite ()*	Titanite	CaTi(SiO₄)O	3	219623,219624,219626	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	1	219624	2562
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀	1	219626	1395
Xenotime-(Y) ()*	Zircon	Y(PO₄)	1	219624	939

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...