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:
Belknap Co., New Hampshire, USA

Oldest recorded age at locality: 156
Youngest recorded age at locality: 156

mindat Locality ID: 23497
mindat URL: http://www.mindat.org/loc-23497.html

Tectonic Settings:

Total number of sublocalities beneath "Belknap Co., New Hampshire, USA": 24
Total number of bottom-level sublocalities: 15

Number of Child Localities: 8
Child Localities:
Alton
Barnstead
Belknap Mts (Gunstock Mts; Suncook Mts)
Belmont
Gilford
Gilmanton
Laconia
New Hampton

Latitude: 43°28'46"N
Longitude: 71°23'32"W
Decimal Degree (lat, lon): 43.479444444444,-71.392222222222

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.

Allanite	Amphibole	Apatite	Arsenopyrite	Chlorite	Clay	Clinozoisite	Corundum	Diaspore	Epidote
Feldspar	Melanterite	Mica	Molybdenite	None	Not in a structural group	Olivine	Pyrite	Pyroxene	Quartz
Rocksalt	Sphalerite	Spinel	Talc	Titanite	Tourmaline	Tridymite

Albite ()*	Allanite-(Ce) ()*	Anorthite ()*	Arsenopyrite ()*	Augite ()*
Chamosite ()*	Clinozoisite ()*	Corundum ()*	Epidote ()*	Ferro-hornblende ()*
Fluorapatite ()*	Forsterite ()*	Galena ()*	Goethite ()*	Graphite ()*
Hastingsite ()*	Ilmenite ()*	Magnetite ()*	Melanterite ()*	Microcline ()*
Molybdenite ()*	Muscovite ()*	Nepheline ()*	Pyrite ()*	Quartz ()*
Schorl ()*	Sillimanite ()*	Sphalerite ()*	Talc ()*	Titanite ()*
Tremolite ()*

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 As B C Ca Ce F Fe H K Mg Mo Na O P Pb S Si Ti Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allanite Amphibole Apatite Arsenopyrite Chlorite Clay Clinozoisite Corundum Diaspore Epidote
Feldspar Melanterite Mica Molybdenite None Not in a structural group Olivine Pyrite Pyroxene Quartz
Rocksalt Sphalerite Spinel Talc Titanite Tourmaline Tridymite

31 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)			1	241782	8803
Allanite-(Ce) ()*	Allanite Epidote	CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)			2	241773,241782	706
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)			1	241773	1036
Arsenopyrite ()*	Arsenopyrite	FeAsS	156	156	2	241767,241778	9052
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆			1	241773	2060
Chamosite ()*	Chlorite Clay	(Fe²⁺,Mg,Al,Fe³⁺)₆(Si,Al)₄O₁₀(OH,O)₈			1	241782	577
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)			3	241772,241773,241782	1025
Corundum ()*	Corundum	Al₂O₃			1	241772	1797
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)			2	241774,241783	8173
Ferro-hornblende ()*	Amphibole	Ca₂(Fe²⁺₄Al)(Si₇Al)O₂₂(OH)₂			1	241782	271
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F			3	241773,241776,241782	2740
Forsterite ()*	Olivine	Mg₂(SiO₄)			1	241773	1188
Galena ()*	Rocksalt	PbS	156	156	1	241767	24243
Goethite ()*	Diaspore	FeO(OH)			2	241771,241773	7437
Graphite ()*	None	C			1	241770	2812
Hastingsite ()*	Amphibole	NaCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂			1	241772	209
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃			1	241772	5433
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			5	241772,241773,241780,241781,241782	14899
Melanterite ()*	Melanterite	Fe(SO₄)·7H₂O			1	241783	915
Microcline ()*	Feldspar	K(AlSi₃O₈)			5	241772,241773,241776,241780,241782	4924
Molybdenite ()*	Molybdenite	MoS₂			1	241782	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	156	156	9	241768,241769,241772,241773,241774,241783,241787,241788,241790	17380
Nepheline ()*	Tridymite	Na₃K(Al₄Si₄O₁₆)			1	241773	884
Pyrite ()*	Pyrite	FeS₂			1	241782	39462
Quartz ()*	Quartz	SiO₂	156	156	16	241768,241769,241772,241773,241776,241777,241778,241780,241782,241783,241784,241785,241786,241787,241788,241790	61156
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)			2	241770,241784	2705
Sillimanite ()*	Not in a structural group	Al₂SiO₅	156	156	2	241768,241772	1516
Sphalerite ()*	Sphalerite	ZnS			1	241787	21482
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂			1	241787	3337
Titanite ()*	Titanite	CaTi(SiO₄)O			2	241773,241782	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂			1	241783	2562

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_257-00018	156	156	156											9082	Pine Mountain, Alton, Belknap Co., New Hampshire, USA	Pine Mountain	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...