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:
Durham, Middlesex Co., Connecticut, USA

mindat Locality ID: 69475
mindat URL: http://www.mindat.org/loc-69475.html

Tectonic Settings:

Total number of sublocalities beneath "Durham, Middlesex Co., Connecticut, USA": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Mica Hill Pegmatites
Reed's Gap Quarry (New Haven Trap Rock Quarry; Tilcon Durham Quarry)
Unnamed Pegmatites

Latitude: 41°28'5"N
Longitude: 72°43'54"W
Decimal Degree (lat, lon): 41.468055555556,-72.731666666667

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	Analcime	Apatite	Apophyllite	Aragonite	Autunite	Beryl	Calcite	Chalcopyrite	Clay
Clinozoisite	Corundum	Epidote	Feldspar	Fluorite	Gadolinite	Garnet	Gypsum	Meta-autunite	Mica
None	Not in a structural group	Prehnite	Pyrite	Pyroxene	Quartz	Rhodonite	Spinel	Tourmaline

Albite ()*	Almandine ()*	Analcime ()*	Anhydrite ()*	Aragonite ()*
Augite ()*	Autunite ()*	Babingtonite ()*	Beryl ()*	Calcite ()*
Chalcopyrite ()*	Datolite ()*	Epidote ()*	Fluorapatite ()*	Fluorapophyllite-(K) ()*
Fluorite ()*	Gypsum ()*	Hematite ()*	Kyanite ()*	Laumontite ()*
Magnetite ()*	Meta-autunite ()*	Microcline ()*	Muscovite ()*	Opal ()*
Prehnite ()*	Pyrite ()*	Quartz ()*	Schorl ()*	Uraninite ()*
Uranophane-α ()*

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 Be C Ca Cu F Fe H K Mg Na O P S Si U

Elements from minerals reported directly at this locality: Al Ca H O P Si U

Structural Groups for minerals in this locality:
Amorphous Analcime Apatite Apophyllite Aragonite Autunite Beryl Calcite Chalcopyrite Clay
Clinozoisite Corundum Epidote Feldspar Fluorite Gadolinite Garnet Gypsum Meta-autunite Mica
None Not in a structural group Prehnite Pyrite Pyroxene Quartz Rhodonite Spinel Tourmaline

31 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	2	199049,199051	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	1	199049	2353
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	1	199050	1627
Anhydrite ()*	Not in a structural group	Ca(SO₄)	1	199050	1588
Aragonite ()*	Aragonite	Ca(CO₃)	1	199050	3250
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	1	199050	2060
Autunite ()*	Autunite	Ca(UO₂)₂(PO₄)₂·10-12H₂O	0		1272
Babingtonite ()*	Rhodonite	Ca₂Fe²⁺Fe³⁺Si₅O₁₄(OH)	1	199050	161
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	2	199049,199051	4286
Calcite ()*	Calcite	Ca(CO₃)	1	199050	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	199050	27198
Datolite ()*	Gadolinite	CaB(SiO₄)(OH)	1	199050	498
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	199050	8173
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	2	199049,199051	2740
Fluorapophyllite-(K) ()*	Apophyllite	KCa₄Si₈O₂₀F·8H₂O	1	199050	303
Fluorite ()*	Fluorite	CaF₂	1	199050	9617
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1	199050	6890
Hematite ()*	Corundum	Fe₂O₃	1	199050	14640
Kyanite ()*	Not in a structural group	Al₂OSiO₄	0		1507
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	1	199050	1271
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	199051	14899
Meta-autunite ()*	Meta-autunite	Ca(UO₂)₂(PO₄)₂·6H₂O	1	199051	388
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	199049	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	2	199049,199051	17380
Opal ()*	Amorphous	SiO₂·nH₂O	1	199051	2994
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1	199050	1898
Pyrite ()*	Pyrite	FeS₂	1	199050	39462
Quartz ()*	Quartz	SiO₂	3	199049,199050,199051	61156
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	1	199049	2705
Uraninite ()*	Fluorite	UO₂	1	199051	2718
Uranophane-α ()*	None	Ca(UO₂)₂(SiO₃OH)₂·5H₂O	1	199051	890

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...