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:
Dummerston, Windham Co., Vermont, USA

mindat Locality ID: 145030
mindat URL: http://www.mindat.org/loc-145030.html

Tectonic Settings:

Total number of sublocalities beneath "Dummerston, Windham Co., Vermont, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Dummerston Granite Quarry (Black Mountain Quarry)

Latitude: 42°55'21"N
Longitude: 72°34'40"W
Decimal Degree (lat, lon): 42.9225,-72.577777777778

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	Mica	None	Quartz	Rutile

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 Na O P Si Ti

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Apatite Calcite Clay Clinozoisite Epidote Feldspar Mica None Quartz Rutile

9 IMA Minerals at location:

Albite ()*	Calcite ()*	Epidote ()*	Fluorapatite ()*	Microcline ()*
Muscovite ()*	Quartz ()*	Rutile ()*	Zoisite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	279185	8803
Calcite ()*	Calcite	Ca(CO₃)	1	279185	27770
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	279185	8173
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	1	279185	2740
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	279185	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	279185	17380
Quartz ()*	Quartz	SiO₂	1	279185	61156
Rutile ()*	Rutile	TiO₂	1	279185	5614
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	1	279185	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...