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:
East Granby, Hartford Co., Connecticut, USA

Oldest recorded age at locality: 220
Youngest recorded age at locality: 220

mindat Locality ID: 209736
mindat URL: http://www.mindat.org/loc-209736.html

Tectonic Settings:

Total number of sublocalities beneath "East Granby, Hartford Co., Connecticut, USA": 7
Total number of bottom-level sublocalities: 6

Number of Child Localities: 4
Child Localities:
Roncari Quarry (Tilcon Quarry)
Simsbury Mines
State Route 20 Road Cut
Wyncairne Subdivision

Latitude: 41°57'16"N
Longitude: 72°44'30"W
Decimal Degree (lat, lon): 41.954444444444,-72.741666666667

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	Aragonite	Baryte	Calcite	Chalcopyrite	Clay	Clinozoisite	Copper	Corundum	Diaspore
Epidote	Fluorite	Gadolinite	Gypsum	Malachite	None	Not in a structural group	Prehnite	Pyrite	Quartz
Rhodonite	Rocksalt	Sphalerite	Stilpnomelane	Zircon

Anhydrite ()*	Aragonite ()*	Azurite ()*	Babingtonite ()*	Bornite ()*
Calcite ()*	Carnotite ()*	Celestine ()*	Chalcocite ()*	Chalcopyrite ()*
Chrysocolla ()*	Coffinite ()*	Copper ()*	Cuprite ()*	Datolite ()*
Dolomite ()*	Epidote ()*	Fluorite ()*	Galena ()*	Goethite ()*
Gypsum ()*	Hematite ()*	Malachite ()*	Prehnite ()*	Pyrite ()*
Quartz ()*	Sphalerite ()*	Stilpnomelane ()*	Tyuyamunite ()*	Uraninite ()*

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 Cu F Fe H K Mg Na O Pb S Si Sr U V Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Aragonite Baryte Calcite Chalcopyrite Clay Clinozoisite Copper Corundum Diaspore
Epidote Fluorite Gadolinite Gypsum Malachite None Not in a structural group Prehnite Pyrite Quartz
Rhodonite Rocksalt Sphalerite Stilpnomelane Zircon

30 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Anhydrite ()*	Not in a structural group	Ca(SO₄)			1	198838	1588
Aragonite ()*	Aragonite	Ca(CO₃)			1	198838	3250
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	220	220	1	198841	5509
Babingtonite ()*	Rhodonite	Ca₂Fe²⁺Fe³⁺Si₅O₁₄(OH)			2	198838,198843	161
Bornite ()*	None	Cu₅FeS₄	220	220	4	198839,198840,198841,198842	5516
Calcite ()*	Calcite	Ca(CO₃)			2	198838,198843	27770
Carnotite ()*	None	K₂(UO₂)₂(VO₄)₂·3H₂O	220	220	1	198841	1184
Celestine ()*	Baryte	Sr(SO₄)			1	198838	1252
Chalcocite ()*	None	Cu₂S	220	220	3	198839,198841,198842	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	220	220	6	198838,198839,198840,198841,198842,198843	27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	220	220	2	198838,198841	3531
Coffinite ()*	Zircon	U(SiO₄)·nH₂O	220	220	1	198841	566
Copper ()*	Copper	Cu	220	220	1	198841	3846
Cuprite ()*	Not in a structural group	Cu₂O	220	220	3	198839,198841,198842	2970
Datolite ()*	Gadolinite	CaB(SiO₄)(OH)			2	198838,198843	498
Dolomite ()*	None	CaMg(CO₃)₂			1	198840	9895
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)			1	198838	8173
Fluorite ()*	Fluorite	CaF₂			2	198838,198843	9617
Galena ()*	Rocksalt	PbS			1	198838	24243
Goethite ()*	Diaspore	FeO(OH)			1	198838	7437
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O			1	198838	6890
Hematite ()*	Corundum	Fe₂O₃			3	198838,198840,198843	14640
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	220	220	6	198838,198839,198841,198842,198843,198844	12537
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂			2	198838,198843	1898
Pyrite ()*	Pyrite	FeS₂			1	198838	39462
Quartz ()*	Quartz	SiO₂			2	198838,198843	61156
Sphalerite ()*	Sphalerite	ZnS			1	198838	21482
Stilpnomelane ()*	Stilpnomelane Clay	(K,Ca,Na)(Fe,Mg,Al)₈(Si,Al)₁₂(O,OH)₃₆·nH₂O			1	198838	456
Tyuyamunite ()*	None	Ca(UO₂)₂(VO₄)₂·5-8H₂O	220	220	1	198841	628
Uraninite ()*	Fluorite	UO₂	220	220	1	198841	2718

1 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	sedcu-00664	220	220	Triassic										Cu	205644	Newgate Copper Mine (Old Newgate Prison), Simsbury Mines, East Granby, Hartford Co., Connecticut, USA	Newgate Prison	Cox et al. (2003)		USGSOFR03_107

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...