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:
Marlborough, Hartford Co., Connecticut, USA

Oldest recorded age at locality: 462.04
Youngest recorded age at locality: 462.04

mindat Locality ID: 249818
mindat URL: http://www.mindat.org/loc-249818.html

Tectonic Settings:

Total number of sublocalities beneath "Marlborough, Hartford Co., Connecticut, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
State Route 2 Roadcut

Latitude: 41°39'10"N
Longitude: 72°30'"W
Decimal Degree (lat, lon): 41.652777777778,-72.5

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.

Amphibole	Axinite	Epidote	None	Not in a structural group	Prehnite	Pyroxene	Quartz	Staurolite	Titanite

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 Ca Fe H Mg O S Si Ti

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Axinite Epidote None Not in a structural group Prehnite Pyroxene Quartz Staurolite Titanite

10 IMA Minerals at location:

Anhydrite ()*	Axinite-(Fe) ()*	Diopside ()*	Laumontite ()*	Prehnite ()*
Quartz ()*	Staurolite ()*	Titanite ()*	Tremolite ()*	Zoisite ()*

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)	462.04	462.04	1	198884	1588
Axinite-(Fe) ()*	Axinite	Ca₄Fe²⁺₂Al₄[B₂Si₈O₃₀](OH)₂	462.04	462.04	1	198884	260
Diopside ()*	Pyroxene	CaMgSi₂O₆	462.04	462.04	1	198884	4135
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	462.04	462.04	1	198884	1271
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	462.04	462.04	1	198884	1898
Quartz ()*	Quartz	SiO₂	462.04	462.04	1	198884	61156
Staurolite ()*	Staurolite	Fe²⁺₂Al₉Si₄O₂₃(OH)	462.04	462.04	1	198884	978
Titanite ()*	Titanite	CaTi(SiO₄)O	462.04	462.04	1	198884	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	462.04	462.04	1	198884	2562
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	462.04	462.04	1	198884	1025

2 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-01202	462.04	462.04	462.04	Rb-Sr	age of metamorphic crystallization		whole rock							213277	State Route 2 Roadcut, Marlborough, Hartford Co., Connecticut, USA		USGS-Rb-Sr		USGS-Rb-Sr
	USGS-Rb-Sr-01203	462.04	462.04	462.04	Rb-Sr	age of metamorphic crystallization		whole rock							213277	State Route 2 Roadcut, Marlborough, Hartford 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...