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:
Andover, Merrimack Co., New Hampshire, USA

mindat Locality ID: 9087
mindat URL: http://www.mindat.org/loc-9087.html

Tectonic Settings:

Total number of sublocalities beneath "Andover, Merrimack Co., New Hampshire, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Potter Place Graphite Locality
Ragged Mountain Locality

Latitude: 43°28'5"N
Longitude: 71°49'45"W
Decimal Degree (lat, lon): 43.468055555556,-71.829166666667

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.

Andalusite	Beryl	Clay	Feldspar	Garnet	Mica	None	Not in a structural group	Quartz

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 Be C Fe H K O Si

Elements from minerals reported directly at this locality: Al Be Fe H K O Si

Structural Groups for minerals in this locality:
Andalusite Beryl Clay Feldspar Garnet Mica None Not in a structural group Quartz

10 IMA Minerals at location:

Almandine ()*	Andalusite ()*	Bertrandite ()*	Beryl ()*	Graphite ()*
Kyanite ()*	Microcline ()*	Muscovite ()*	Quartz ()*	Sillimanite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	0		2353
Andalusite ()*	Andalusite	Al₂SiO₅	1	242562	1310
Bertrandite ()*	Not in a structural group	Be₄Si₂O₇(OH)₂	0		606
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	0		4286
Graphite ()*	None	C	1	242561	2812
Kyanite ()*	Not in a structural group	Al₂OSiO₄	1	242562	1507
Microcline ()*	Feldspar	K(AlSi₃O₈)	0		4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	242562	17380
Quartz ()*	Quartz	SiO₂	1	242562	61156
Sillimanite ()*	Not in a structural group	Al₂SiO₅	0		1516

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...