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:
Tolland Co., Connecticut, USA

mindat Locality ID: 23080
mindat URL: http://www.mindat.org/loc-23080.html

Tectonic Settings:

Total number of sublocalities beneath "Tolland Co., Connecticut, USA": 22
Total number of bottom-level sublocalities: 14

Number of Child Localities: 9
Child Localities:
Bolton
Coventry
Hebron
Somers
Stafford
Tolland
Union
Vernon
Willington

Latitude: 41°50'10"N
Longitude: 72°19'26"W
Decimal Degree (lat, lon): 41.836111111111,-72.323888888889

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	Amphibole	Apatite	Arsenopyrite	Baryte	Beryl	Calcite	Chalcopyrite	Chlorite	Clay
Clinozoisite	Corundum	Diaspore	Epidote	Feldspar	Fluorite	Garnet	Malachite	Mica	Molybdenite
Mordenite	Nickeline	None	Not in a structural group	Prehnite	Pyrite	Quartz	Rutile	Spinel	Staurolite
Talc	Titanite	Tourmaline	Zircon

Actinolite ()*	Albite ()*	Almandine ()*	Ankerite ()*	Anorthite ()*
Arsenopyrite ()*	Azurite ()*	Baryte ()*	Calcite ()*	Chalcopyrite ()*
Chrysocolla ()*	Clinochlore ()*	Cordierite ()*	Cummingtonite ()*	Epidote ()*
Epistilbite ()*	Fluorapatite ()*	Fluorite ()*	Goethite ()*	Graphite ()*
Hematite ()*	Ilmenite ()*	Kyanite ()*	Laumontite ()*	Magnesio-hornblende ()*
Magnesite ()*	Magnetite ()*	Malachite ()*	Microcline ()*	Molybdenite ()*
Muscovite ()*	Prehnite ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*
Romanèchite ()*	Rutile ()*	Schorl ()*	Siderite ()*	Sillimanite ()*
Staurolite ()*	Talc ()*	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 As B Ba C Ca Cu F Fe H K Mg Mn Mo Na O P S Si Ti Zr

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

Structural Groups for minerals in this locality:
Allophane Amphibole Apatite Arsenopyrite Baryte Beryl Calcite Chalcopyrite Chlorite Clay
Clinozoisite Corundum Diaspore Epidote Feldspar Fluorite Garnet Malachite Mica Molybdenite
Mordenite Nickeline None Not in a structural group Prehnite Pyrite Quartz Rutile Spinel Staurolite
Talc Titanite Tourmaline Zircon

44 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	199332	3419
Albite ()*	Feldspar	Na(AlSi₃O₈)	4	199327,199340,199341,199345	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	5	199332,199336,199337,199338,199345	2353
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	1	199345	3092
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	1	199345	1036
Arsenopyrite ()*	Arsenopyrite	FeAsS	1	199332	9052
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	1	199330	5509
Baryte ()*	Baryte	Ba(SO₄)	1	199330	11547
Calcite ()*	Calcite	Ca(CO₃)	4	199327,199332,199341,199345	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	3	199330,199336,199345	27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	1	199330	3531
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	1	199327	1756
Cordierite ()*	Beryl	Mg₂Al₄Si₅O₁₈	1	199340	1008
Cummingtonite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂	1	199345	327
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	3	199327,199332,199335	8173
Epistilbite ()*	Mordenite	Ca₃[Si₁₈Al₆O₄₈]·16H₂O	0		138
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	1	199345	2740
Fluorite ()*	Fluorite	CaF₂	1	199330	9617
Goethite ()*	Diaspore	FeO(OH)	4	199327,199330,199333,199341	7437
Graphite ()*	None	C	3	199328,199335,199340	2812
Hematite ()*	Corundum	Fe₂O₃	1	199330	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	2	199332,199345	5433
Kyanite ()*	Not in a structural group	Al₂OSiO₄	2	199332,199345	1507
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	2	199332,199333	1271
Magnesio-hornblende ()*	Amphibole	Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂	1	199345	238
Magnesite ()*	Calcite	Mg(CO₃)	1	199345	1487
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	2	199332,199340	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	199330	12537
Microcline ()*	Feldspar	K(AlSi₃O₈)	2	199327,199340	4924
Molybdenite ()*	Molybdenite	MoS₂	1	199327	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	2	199332,199345	17380
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	3	199327,199332,199341	1898
Pyrite ()*	Pyrite	FeS₂	7	199327,199330,199332,199336,199340,199341,199345	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	1	199345	9056
Quartz ()*	Quartz	SiO₂	7	199327,199330,199333,199336,199340,199341,199345	61156
Romanèchite ()*	None	(Ba,H₂O)₂(Mn⁴⁺,Mn³⁺)₅O₁₀	1	199330	312
Rutile ()*	Rutile	TiO₂	1	199345	5614
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	2	199332,199336	2705
Siderite ()*	Calcite	Fe(CO₃)	1	199345	6417
Sillimanite ()*	Not in a structural group	Al₂SiO₅	2	199327,199340	1516
Staurolite ()*	Staurolite	Fe²⁺₂Al₉Si₄O₂₃(OH)	6	199325,199332,199335,199337,199342,199345	978
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	1	199331	3337
Titanite ()*	Titanite	CaTi(SiO₄)O	2	199341,199345	4899
Zircon ()*	Zircon	Zr(SiO₄)	2	199340,199345	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...