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:
Branford, New Haven Co., Connecticut, USA

Oldest recorded age at locality: 681
Youngest recorded age at locality: 525

mindat Locality ID: 47232
mindat URL: http://www.mindat.org/loc-47232.html

Tectonic Settings:

Total number of sublocalities beneath "Branford, New Haven Co., Connecticut, USA": 7
Total number of bottom-level sublocalities: 5

Number of Child Localities: 4
Child Localities:
Hoadley Point Quarries
Norcross Quarry (Norcross Granite Gneiss Rock Quarries; Stony Creek Quarry; Castellucci Quarry)
Stony Creek
Stony Creek Red Granite Company Quarry

Latitude: 41°16'18"N
Longitude: 72°44'49"W
Decimal Degree (lat, lon): 41.271666666667,-72.746944444444

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.

Apatite	Calcite	Clay	Clinozoisite	Epidote	Feldspar	Fluorite	Mica	None	Pectolite
Prehnite	Pyrite	Pyroxene	Quartz	Spinel	Stilbite	Zircon

Albite ()*	Calcite ()*	Epidote ()*	Fluorapatite ()*	Fluorite ()*
Magnetite ()*	Microcline ()*	Muscovite ()*	Orthoclase ()*	Pectolite ()*
Prehnite ()*	Pyrite ()*	Quartz ()*	Spodumene ()*	Stilbite-Ca ()*
Zircon ()*	Zoisite ()*

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 C Ca F Fe H K Li Na O P S Si Zr

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

Structural Groups for minerals in this locality:
Apatite Calcite Clay Clinozoisite Epidote Feldspar Fluorite Mica None Pectolite
Prehnite Pyrite Pyroxene Quartz Spinel Stilbite Zircon

17 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
Albite ()*	Feldspar	Na(AlSi₃O₈)			2	199181,199182	8803
Calcite ()*	Calcite	Ca(CO₃)			1	199182	27770
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)			1	199182	8173
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F			2	199182,199184	2740
Fluorite ()*	Fluorite	CaF₂			1	199184	9617
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			1	199182	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)			1	199182	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			2	199181,199182	17380
Orthoclase ()*	Feldspar	K(AlSi₃O₈)			1	199182	2349
Pectolite ()*	Pectolite	NaCa₂Si₃O₈(OH)	681	525	0		363
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	681	525	0		1898
Pyrite ()*	Pyrite	FeS₂			2	199182,199184	39462
Quartz ()*	Quartz	SiO₂			3	199181,199182,199184	61156
Spodumene ()*	Pyroxene	LiAlSi₂O₆			1	199184	688
Stilbite-Ca ()*	Stilbite	NaCa₄(Si₂₇Al₉)O₇₂·28H₂O	681	525	0		268
Zircon ()*	Zircon	Zr(SiO₄)			1	199182	5251
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)			1	199182	1025

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
	USGS-Rb-Sr-01105	681	525	603±78	Rb-Sr			whole rock							298334	Stony Creek Red Granite Company Quarry, Branford, New Haven Co., Connecticut, USA		USGS-Rb-Sr		USGS-Rb-Sr

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...