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:
Merrimack Co., New Hampshire, USA

Oldest recorded age at locality: 421.33
Youngest recorded age at locality: 383.33

mindat Locality ID: 16100
mindat URL: http://www.mindat.org/loc-16100.html

Tectonic Settings:

Total number of sublocalities beneath "Merrimack Co., New Hampshire, USA": 81
Total number of bottom-level sublocalities: 63

Number of Child Localities: 20
Child Localities:
Allenstown
Andover
Bow
Bradford
Canterbury
Chichester
Concord
Danbury
Dunbarton
Epsom
Franklin
Henniker
Hooksett
New London
Newbury
Pembroke
Pittsfield
Salisbury
Warner
Wilmot

Latitude: 43°16'29"N
Longitude: 71°41'10"W
Decimal Degree (lat, lon): 43.274722222222,-71.686111111111

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.

Amorphous	Andalusite	Apatite	Arsenopyrite	Autunite	Beryl	Brookite	Calcite	Chalcopyrite	Clay
Clinozoisite	Corundum	Diaspore	Epidote	Feldspar	Fluorite	Garnet	Kaolinite	Malachite	Meta-autunite
Mica	Modderite	None	Not in a structural group	Olivine	Phosphuranylite	Prehnite	Pyrite	Pyroxene	Quartz
Rocksalt	Rutile	Sphalerite	Spinel	Staurolite	Talc	Titanite	Tourmaline	Zircon

Albite ()*	Almandine ()*	Anatase ()*	Andalusite ()*	Arsenopyrite ()*
Autunite ()*	Bertrandite ()*	Beryl ()*	Brookite ()*	Calcite ()*
Chalcopyrite ()*	Chrysoberyl ()*	Cordierite ()*	Dewindtite ()*	Diopside ()*
Dolomite ()*	Dravite ()*	Epidote ()*	Fluorapatite ()*	Fluorite ()*
Forsterite ()*	Galena ()*	Goethite ()*	Graphite ()*	Hematite ()*
Hydrozincite ()*	Ilmenite ()*	Kaolinite ()*	Kyanite ()*	Magnetite ()*
Malachite ()*	Meta-autunite ()*	Microcline ()*	Muscovite ()*	Opal ()*
Prehnite ()*	Pyrite ()*	Quartz ()*	Rutile ()*	Schorl ()*
Scorodite ()*	Sekaninaite ()*	Sillimanite ()*	Sphalerite ()*	Staurolite ()*
Talc ()*	Titanite ()*	Torbernite ()*	Uraninite ()*	Uranophane-α ()*
Westerveldite ()*	Zircon ()*

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 Be C Ca Cu F Fe H K Mg Na O P Pb S Si Ti U Zn Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amorphous Andalusite Apatite Arsenopyrite Autunite Beryl Brookite Calcite Chalcopyrite Clay
Clinozoisite Corundum Diaspore Epidote Feldspar Fluorite Garnet Kaolinite Malachite Meta-autunite
Mica Modderite None Not in a structural group Olivine Phosphuranylite Prehnite Pyrite Pyroxene Quartz
Rocksalt Rutile Sphalerite Spinel Staurolite Talc Titanite Tourmaline Zircon

52 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	6	242571,242574,242577,242608,242610,242635	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	23	242560,242564,242568,242574,242576,242582,242583,242584,242585,242586,242587,242588,242589,242590,242591,242593,242594,242604,242607,242608,242610,242611,242636	2353
Anatase ()*	Not in a structural group	TiO₂	2	242610,242611	2162
Andalusite ()*	Andalusite	Al₂SiO₅	3	242562,242603,242627	1310
Arsenopyrite ()*	Arsenopyrite	FeAsS	5	242563,242597,242598,242599,242611	9052
Autunite ()*	Autunite	Ca(UO₂)₂(PO₄)₂·10-12H₂O	2	242585,242620	1272
Bertrandite ()*	Not in a structural group	Be₄Si₂O₇(OH)₂	1	242560	606
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	16	242557,242560,242568,242577,242583,242585,242586,242590,242591,242593,242594,242608,242610,242620,242635,242636	4286
Brookite ()*	Brookite	TiO₂	1	242611	700
Calcite ()*	Calcite	Ca(CO₃)	5	242573,242574,242577,242580,242611	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	2	242611,242626	27198
Chrysoberyl ()*	Olivine	BeAl₂O₄	1	242636	321
Cordierite ()*	Beryl	Mg₂Al₄Si₅O₁₈	1	242603	1008
Dewindtite ()*	Phosphuranylite	H₂Pb₃(UO₂)₆O₄(PO₄)₄·12H₂O	1	242621	82
Diopside ()*	Pyroxene	CaMgSi₂O₆	1	242611	4135
Dolomite ()*	None	CaMg(CO₃)₂	1	242611	9895
Dravite ()*	Tourmaline	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	1	242611	648
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	242611	8173
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	3	242593,242611,242635	2740
Fluorite ()*	Fluorite	CaF₂	4	242580,242610,242611,242616	9617
Forsterite ()*	Olivine	Mg₂(SiO₄)	1	242611	1188
Galena ()*	Rocksalt	PbS	7	242595,242597,242598,242600,242611,242613,242626	24243
Goethite ()*	Diaspore	FeO(OH)	1	242611	7437
Graphite ()*	None	C	3	242561,242605,242629	2812
Hematite ()*	Corundum	Fe₂O₃	1	242611	14640
Hydrozincite ()*	None	Zn₅(CO₃)₂(OH)₆	1	242611	1066
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	242629	5433
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1	242597	5591
Kyanite ()*	Not in a structural group	Al₂OSiO₄	1	242562	1507
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	3	242563,242577,242625	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	242611	12537
Meta-autunite ()*	Meta-autunite	Ca(UO₂)₂(PO₄)₂·6H₂O	3	242583,242585,242621	388
Microcline ()*	Feldspar	K(AlSi₃O₈)	31	242557,242560,242568,242569,242570,242571,242572,242573,242574,242575,242576,242577,242578,242579,242580,242582,242583,242585,242586,242588,242589,242590,242591,242593,242594,242604,242608,242610,242611,242615,242618	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	45	242557,242560,242562,242563,242564,242568,242569,242570,242571,242572,242573,242574,242575,242576,242577,242578,242579,242580,242582,242583,242584,242585,242586,242587,242588,242589,242590,242591,242592,242593,242594,242595,242597,242599,242603,242604,242608,242610,242611,242615,242618,242627,242629,242634,242635	17380
Opal ()*	Amorphous	SiO₂·nH₂O	1	242611	2994
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1	242632	1898
Pyrite ()*	Pyrite	FeS₂	6	242573,242597,242598,242611,242626,242633	39462
Quartz ()*	Quartz	SiO₂	49	242557,242560,242562,242563,242564,242568,242569,242570,242571,242572,242573,242574,242575,242576,242577,242578,242579,242580,242582,242583,242584,242585,242586,242587,242588,242589,242590,242591,242593,242594,242595,242596,242597,242600,242603,242604,242607,242608,242610,242611,242613,242615,242616,242618,242620,242626,242629,242631,242635	61156
Rutile ()*	Rutile	TiO₂	2	242577,242629	5614
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	13	242557,242568,242583,242586,242593,242594,242597,242598,242608,242610,242611,242625,242635	2705
Scorodite ()*	None	Fe³⁺(AsO₄)·2H₂O	2	242563,242597	1153
Sekaninaite ()*	Beryl	Fe²⁺₂Al₄Si₅O₁₈	1	242602	35
Sillimanite ()*	Not in a structural group	Al₂SiO₅	3	242560,242598,242629	1516
Sphalerite ()*	Sphalerite	ZnS	3	242611,242613,242626	21482
Staurolite ()*	Staurolite	Fe²⁺₂Al₉Si₄O₂₃(OH)	1	242629	978
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	2	242566,242633	3337
Titanite ()*	Titanite	CaTi(SiO₄)O	1	242611	4899
Torbernite ()*	None	Cu(UO₂)₂(PO₄)₂·12H₂O	1	242621	1059
Uraninite ()*	Fluorite	UO₂	1	242563	2718
Uranophane-α ()*	None	Ca(UO₂)₂(SiO₃OH)₂·5H₂O	1	242620	890
Westerveldite ()*	Modderite	FeAs	1	242563	11
Zircon ()*	Zircon	Zr(SiO₄)	1	242577	5251

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
	USGS-Rb-Sr-02200	421.33	383.33	402.33±19	Rb-Sr	age of intrusion		whole rock							222734	Newbury, Merrimack Co., New Hampshire, USA		USGS-Rb-Sr		USGS-Rb-Sr

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...