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:
Westminster, Windham Co., Vermont, USA

mindat Locality ID: 22507
mindat URL: http://www.mindat.org/loc-22507.html

Tectonic Settings:

Total number of sublocalities beneath "Westminster, Windham Co., Vermont, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Interstate Highway 91 Exit 5
Quarry Road Quarry

Latitude: 43°5'30"N
Longitude: 72°27'23"W
Decimal Degree (lat, lon): 43.091666666667,-72.456388888889

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	Calcite	Chalcopyrite	Clay	Diaspore	Epidote	Fluorite	Gypsum	Halotrichite	None
Not in a structural group	Pyrite	Quartz	Staurolite	Talc	Titanite

Anatase ()*	Calcite ()*	Chalcopyrite ()*	Ferro-actinolite ()*	Fluorite ()*
Goethite ()*	Gypsum ()*	Halotrichite ()*	Pyrite ()*	Quartz ()*
Siderite ()*	Staurolite ()*	Synchysite-(Ce) ()*	Talc ()*	Titanite ()*
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 Ce Cu F Fe H Mg O S Si Ti

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

Structural Groups for minerals in this locality:
Amphibole Calcite Chalcopyrite Clay Diaspore Epidote Fluorite Gypsum Halotrichite None
Not in a structural group Pyrite Quartz Staurolite Talc Titanite

16 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Anatase ()*	Not in a structural group	TiO₂	2	279216,279217	2162
Calcite ()*	Calcite	Ca(CO₃)	2	279216,279217	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	2	279216,279217	27198
Ferro-actinolite ()*	Amphibole	Ca₂(Mg_2.5-0.0Fe²⁺_2.5-5.0)Si₈O₂₂(OH)₂	1	279217	129
Fluorite ()*	Fluorite	CaF₂	2	279216,279217	9617
Goethite ()*	Diaspore	FeO(OH)	1	279217	7437
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	2	279216,279217	6890
Halotrichite ()*	Halotrichite	Fe²⁺Al₂(SO₄)₄·22H₂O	1	279217	409
Pyrite ()*	Pyrite	FeS₂	2	279216,279217	39462
Quartz ()*	Quartz	SiO₂	1	279216	61156
Siderite ()*	Calcite	Fe(CO₃)	1	279217	6417
Staurolite ()*	Staurolite	Fe²⁺₂Al₉Si₄O₂₃(OH)	0		978
Synchysite-(Ce) ()*	None	CaCe(CO₃)₂F	1	279216	232
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	0		3337
Titanite ()*	Titanite	CaTi(SiO₄)O	2	279216,279217	4899
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	0		1025

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...