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:
Danbury, Fairfield Co., Connecticut, USA

mindat Locality ID: 3700
mindat URL: http://www.mindat.org/loc-3700.html

Tectonic Settings:

Total number of sublocalities beneath "Danbury, Fairfield Co., Connecticut, USA": 6
Total number of bottom-level sublocalities: 6

Number of Child Localities: 6
Child Localities:
Agstone Company Limestone Quarry
Danburite Type Locality
Interstate 84 And US Route 202 Interchange
North Street Mall
Oil Mill Pond
Western Connecticut State College

Latitude: 41°24'6"N
Longitude: 73°27'59"W
Decimal Degree (lat, lon): 41.401666666667,-73.466388888889

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	Baryte	Calcite	Chalcopyrite	Chlorite	Clay	Corundum
Danburite	Feldspar	Gadolinite	Garnet	Gypsum	Humite	Mica	Molybdenite	Nickeline	None
Olivine	Pyrite	Pyroxene	Quartz	Rutile	Scheelite	Sepiolite	Sphalerite	Spinel	Talc
Titanite	Tourmaline	Zircon

Actinolite ()*	Albite ()*	Almandine ()*	Aragonite ()*	Augite ()*
Baryte ()*	Calcite ()*	Celestine ()*	Chalcopyrite ()*	Chondrodite ()*
Clinochlore ()*	Danburite ()*	Datolite ()*	Diopside ()*	Dolomite ()*
Fluorapatite ()*	Forsterite ()*	Graphite ()*	Gypsum ()*	Hematite ()*
Ilmenite ()*	Magnetite ()*	Microcline ()*	Molybdenite ()*	Muscovite ()*
Opal ()*	Orthoclase ()*	Phlogopite ()*	Pyrite ()*	Pyrrhotite ()*
Quartz ()*	Rutile ()*	Scheelite ()*	Schorl ()*	Sepiolite ()*
Sphalerite ()*	Spinel ()*	Talc ()*	Thorite ()*	Titanite ()*
Tremolite ()*	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 B Ba C Ca Cu F Fe H K Mg Mo Na O P S Si Sr Th Ti W Zn Zr

Elements from minerals reported directly at this locality: O Ti

Structural Groups for minerals in this locality:
Amorphous Amphibole Apatite Aragonite Baryte Calcite Chalcopyrite Chlorite Clay Corundum
Danburite Feldspar Gadolinite Garnet Gypsum Humite Mica Molybdenite Nickeline None
Olivine Pyrite Pyroxene Quartz Rutile Scheelite Sepiolite Sphalerite Spinel Talc
Titanite Tourmaline Zircon

42 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	1	198717	3419
Albite ()*	Feldspar	Na(AlSi₃O₈)	3	198715,198716,198717	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	1	198719	2353
Aragonite ()*	Aragonite	Ca(CO₃)	2	198714,198715	3250
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	1	198717	2060
Baryte ()*	Baryte	Ba(SO₄)	1	198714	11547
Calcite ()*	Calcite	Ca(CO₃)	3	198714,198717,198719	27770
Celestine ()*	Baryte	Sr(SO₄)	1	198714	1252
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	2	198714,198719	27198
Chondrodite ()*	Humite	Mg₅(SiO₄)₂F₂	1	198717	285
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	1	198714	1756
Danburite ()*	Danburite	CaB₂Si₂O₈	2	198715,198718	148
Datolite ()*	Gadolinite	CaB(SiO₄)(OH)	1	198717	498
Diopside ()*	Pyroxene	CaMgSi₂O₆	2	198714,198717	4135
Dolomite ()*	None	CaMg(CO₃)₂	1	198715	9895
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	2	198715,198719	2740
Forsterite ()*	Olivine	Mg₂(SiO₄)	2	198715,198717	1188
Graphite ()*	None	C	2	198714,198717	2812
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1	198714	6890
Hematite ()*	Corundum	Fe₂O₃	1	198719	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	198716	5433
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	198719	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)	4	198714,198715,198717,198719	4924
Molybdenite ()*	Molybdenite	MoS₂	1	198717	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	3	198714,198716,198719	17380
Opal ()*	Amorphous	SiO₂·nH₂O	1	198719	2994
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	1	198717	2349
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	3	198714,198717,198718	2273
Pyrite ()*	Pyrite	FeS₂	4	198714,198716,198717,198719	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	2	198714,198719	9056
Quartz ()*	Quartz	SiO₂	5	198714,198715,198716,198717,198719	61156
Rutile ()*	Rutile	TiO₂	0		5614
Scheelite ()*	Scheelite	Ca(WO₄)	1	198714	4894
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	1	198719	2705
Sepiolite ()*	Sepiolite Clay	Mg₄Si₆O₁₅(OH)₂·6H₂O	1	198714	241
Sphalerite ()*	Sphalerite	ZnS	1	198717	21482
Spinel ()*	Spinel	MgAl₂O₄	1	198717	1934
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	1	198714	3337
Thorite ()*	Zircon	Th(SiO₄)	1	198717	1006
Titanite ()*	Titanite	CaTi(SiO₄)O	4	198714,198717,198718,198719	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	2	198714,198715	2562
Zircon ()*	Zircon	Zr(SiO₄)	2	198717,198719	5251

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...