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:
Pelham, Hillsborough Co., New Hampshire, USA

mindat Locality ID: 68801
mindat URL: http://www.mindat.org/loc-68801.html

Tectonic Settings:

Total number of sublocalities beneath "Pelham, Hillsborough Co., New Hampshire, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Pulpit Rock Area

Latitude: 42°42'32"N
Longitude: 71°19'1"W
Decimal Degree (lat, lon): 42.708888888889,-71.316944444444

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.

Calcite	Chlorite	Clay	Clinozoisite	Epidote	Feldspar	Garnet	None	Prehnite	Pyrite
Quartz	Talc	Tourmaline

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 C Ca Fe H K Mg Na O S Si

Elements from minerals reported directly at this locality: Al B C Ca Fe H K Mg Na O S Si

Structural Groups for minerals in this locality:
Calcite Chlorite Clay Clinozoisite Epidote Feldspar Garnet None Prehnite Pyrite
Quartz Talc Tourmaline

11 IMA Minerals at location:

Albite ()*	Almandine ()*	Calcite ()*	Chamosite ()*	Epidote ()*
Microcline ()*	Prehnite ()*	Pyrite ()*	Quartz ()*	Schorl ()*
Talc ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	0		8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	0		2353
Calcite ()*	Calcite	Ca(CO₃)	0		27770
Chamosite ()*	Chlorite Clay	(Fe²⁺,Mg,Al,Fe³⁺)₆(Si,Al)₄O₁₀(OH,O)₈	0		577
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	0		8173
Microcline ()*	Feldspar	K(AlSi₃O₈)	0		4924
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1	242546	1898
Pyrite ()*	Pyrite	FeS₂	0		39462
Quartz ()*	Quartz	SiO₂	1	242546	61156
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	0		2705
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	0		3337

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...