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:
North Baldface Mountain Localities, Bean's Purchase, Coos Co., New Hampshire, USA

Oldest recorded age at locality: 171
Youngest recorded age at locality: 171

mindat Locality ID: 9117
mindat URL: http://www.mindat.org/loc-9117.html

Tectonic Settings:

Total number of sublocalities beneath "North Baldface Mountain Localities, Bean's Purchase, Coos Co., New Hampshire, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 44°14'34"N
Longitude: 71°5'16"W
Decimal Degree (lat, lon): 44.242777777778,-71.087777777778

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.

Feldspar	Fluorite	None	Phenakite	Quartz	Rutile	Topaz

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 Ca F K Na O Si Sn

Elements from minerals reported directly at this locality: Al Be Ca F K Na O Si Sn

Structural Groups for minerals in this locality:
Feldspar Fluorite None Phenakite Quartz Rutile Topaz

7 IMA Minerals at location:

Albite ()*	Cassiterite ()*	Fluorite ()*	Microcline ()*	Phenakite ()*
Quartz ()*	Topaz ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	171	171	8803
Cassiterite ()*	Rutile	SnO₂	171	171	5171
Fluorite ()*	Fluorite	CaF₂	171	171	9617
Microcline ()*	Feldspar	K(AlSi₃O₈)	171	171	4924
Phenakite ()*	Phenakite	Be₂(SiO₄)	171	171	326
Quartz ()*	Quartz	SiO₂	171	171	61156
Topaz ()*	Topaz	Al₂SiO₄F₂	171	171	1476

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
	AREPS5_257-00034	171	171	171											9117	North Baldface Mountain Localities, Bean's Purchase, Coos Co., New Hampshire, USA	Baldface	Zartman (1977)	10.1146/annurev.ea.05.050177.001353	AREPS5_257

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...