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:
U. S. Route 7 Expressway (Danbury Line To Iron Works District), Brookfield, Fairfield Co., Connecticut, USA

mindat Locality ID: 213273
mindat URL: http://www.mindat.org/loc-213273.html

Tectonic Settings:

Total number of sublocalities beneath "U. S. Route 7 Expressway (Danbury Line To Iron Works District), Brookfield, Fairfield Co., Connecticut, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 41°27'3"N
Longitude: 73°23'41"W
Decimal Degree (lat, lon): 41.450833333333,-73.394722222222

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.

Amorphous	Amphibole	Apatite	Aragonite	Arrojadite	Arsenopyrite	Baryte	Beryl	Calcite	Chalcopyrite
Clay	Clinozoisite	Corundum	Epidote	Feldspar	Gadolinite	Garnet	Heulandite	Humite	Mica
Molybdenite	Nickeline	None	Not in a structural group	Olivine	Pyrite	Pyroxene	Quartz	Rocksalt	Rutile
Sepiolite	Serpentine	Sphalerite	Spinel	Staurolite	Stilbite	Talc	Titanite	Tourmaline	Vivianite
Wollastonite	Wurtzite	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 As B Be C Ca Cd Cl Cu F Fe H K Li Mg Mn Mo Na O P Pb S Si Ti Zn Zr

Elements from minerals reported directly at this locality: Al As B Be C Ca Cd Cl Cu F Fe H K Li Mg Mn Mo Na O P Pb S Si Ti Zn Zr

Structural Groups for minerals in this locality:
Amorphous Amphibole Apatite Aragonite Arrojadite Arsenopyrite Baryte Beryl Calcite Chalcopyrite
Clay Clinozoisite Corundum Epidote Feldspar Gadolinite Garnet Heulandite Humite Mica
Molybdenite Nickeline None Not in a structural group Olivine Pyrite Pyroxene Quartz Rocksalt Rutile
Sepiolite Serpentine Sphalerite Spinel Staurolite Stilbite Talc Titanite Tourmaline Vivianite
Wollastonite Wurtzite Zircon

60 IMA Minerals at location:

Actinolite ()*	Albite ()*	Almandine ()*	Anatase ()*	Anglesite ()*
Aragonite ()*	Arsenopyrite ()*	Augite ()*	Bertrandite ()*	Beryl ()*
Calcite ()*	Cerussite ()*	Chalcopyrite ()*	Chondrodite ()*	Chrysoberyl ()*
Chrysotile ()*	Clinozoisite ()*	Datolite ()*	Dickinsonite-(KMnNa) ()*	Diopside ()*
Dolomite ()*	Elbaite ()*	Epidote ()*	Fluorapatite ()*	Forsterite ()*
Galena ()*	Greenockite ()*	Heulandite-Ca ()*	Ilmenite ()*	Kyanite ()*
Laumontite ()*	Lithiophilite ()*	Magnetite ()*	Metaswitzerite ()*	Microcline ()*
Molybdenite ()*	Muscovite ()*	Opal ()*	Orthoclase ()*	Phlogopite ()*
Pyrite ()*	Pyromorphite ()*	Pyrrhotite ()*	Quartz ()*	Rutile ()*
Schorl ()*	Sepiolite ()*	Sillimanite ()*	Sphalerite ()*	Spodumene ()*
Staurolite ()*	Stilbite-Ca ()*	Talc ()*	Titanite ()*	Tremolite ()*
Triphylite ()*	Vivianite ()*	Wollastonite ()*	Zircon ()*	Zoisite ()*

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	3419
Albite ()*	Feldspar	Na(AlSi₃O₈)	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	2353
Anatase ()*	Not in a structural group	TiO₂	2162
Anglesite ()*	Baryte	Pb(SO₄)	2734
Aragonite ()*	Aragonite	Ca(CO₃)	3250
Arsenopyrite ()*	Arsenopyrite	FeAsS	9052
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	2060
Bertrandite ()*	Not in a structural group	Be₄Si₂O₇(OH)₂	606
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	4286
Calcite ()*	Calcite	Ca(CO₃)	27770
Cerussite ()*	Aragonite	Pb(CO₃)	4979
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	27198
Chondrodite ()*	Humite	Mg₅(SiO₄)₂F₂	285
Chrysoberyl ()*	Olivine	BeAl₂O₄	321
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	951
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	1025
Datolite ()*	Gadolinite	CaB(SiO₄)(OH)	498
Dickinsonite-(KMnNa) ()*	Arrojadite	K(NaMn)CaNa₃AlMn₁₃(PO₄)₁₂(OH)₂	26
Diopside ()*	Pyroxene	CaMgSi₂O₆	4135
Dolomite ()*	None	CaMg(CO₃)₂	9895
Elbaite ()*	Tourmaline	Na(Al_1.5Li_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	520
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	8173
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	2740
Forsterite ()*	Olivine	Mg₂(SiO₄)	1188
Galena ()*	Rocksalt	PbS	24243
Greenockite ()*	Wurtzite	CdS	717
Heulandite-Ca ()*	Heulandite	(Ca,Na,K)₅(Si₂₇Al₉)O₇₂·26H₂O	246
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	5433
Kyanite ()*	Not in a structural group	Al₂OSiO₄	1507
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	1271
Lithiophilite ()*	Olivine	LiMn²⁺(PO₄)	155
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	14899
Metaswitzerite ()*	None	Mn²⁺₃(PO₄)₂·4H₂O	22
Microcline ()*	Feldspar	K(AlSi₃O₈)	4924
Molybdenite ()*	Molybdenite	MoS₂	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	17380
Opal ()*	Amorphous	SiO₂·nH₂O	2994
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	2349
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	2273
Pyrite ()*	Pyrite	FeS₂	39462
Pyromorphite ()*	Apatite	Pb₅(PO₄)₃Cl	1725
Pyrrhotite ()*	Nickeline	Fe₇S₈	9056
Quartz ()*	Quartz	SiO₂	61156
Rutile ()*	Rutile	TiO₂	5614
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	2705
Sepiolite ()*	Sepiolite Clay	Mg₄Si₆O₁₅(OH)₂·6H₂O	241
Sillimanite ()*	Not in a structural group	Al₂SiO₅	1516
Sphalerite ()*	Sphalerite	ZnS	21482
Spodumene ()*	Pyroxene	LiAlSi₂O₆	688
Staurolite ()*	Staurolite	Fe²⁺₂Al₉Si₄O₂₃(OH)	978
Stilbite-Ca ()*	Stilbite	NaCa₄(Si₂₇Al₉)O₇₂·28H₂O	268
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	3337
Titanite ()*	Titanite	CaTi(SiO₄)O	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	2562
Triphylite ()*	Olivine	LiFe²⁺(PO₄)	313
Vivianite ()*	Vivianite	Fe²⁺₃(PO₄)₂·8H₂O	636
Wollastonite ()*	Wollastonite	CaSiO₃	1247
Zircon ()*	Zircon	Zr(SiO₄)	5251
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	1025

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...