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:
Wentworth, Grafton Co., New Hampshire, USA


mindat Locality ID: 31815
mindat URL: http://www.mindat.org/loc-31815.html

Tectonic Settings:

Total number of sublocalities beneath "Wentworth, Grafton Co., New Hampshire, USA": 9
Total number of bottom-level sublocalities: 9

Number of Child Localities: 9
Child Localities:
Brown Mine
Currier Mine
Fellows Mine
King Prospect
La Tulip Mine
Lower Baker Pond Brook Occurrences
McGinnis Mine (Wilcher And Pilsbury Mine)
New Gove Prospect
Swan Brook Pegmatite

Latitude: 43°52'22"N
Longitude: 71°57'50"W
Decimal Degree (lat, lon): 43.872777777778,-71.963888888889

AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe 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.

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 Be C Ca F Fe H K Mg Na O P Si Ti Zr 

Elements from minerals reported directly at this locality: C Ca Fe H Mg O Si 

Structural Groups for minerals in this locality: 
AmphiboleApatiteBerylChloritoidClayClinozoisiteCorundumEpidoteFeldsparGarnet
MicaNoneNot in a structural groupQuartzRutileStauroliteTourmalineZircon

18 IMA Minerals at location:
Actinolite  (*)Albite  (*)Almandine  (*)Beryl  (*)Chloritoid  (*)
Cordierite  (*)Epidote  (*)Fluorapatite  (*)Graphite  (*)Ilmenite  (*)
Kyanite  (*)Muscovite  (*)Quartz  (*)Rutile  (*)Schorl  (*)
Sillimanite  (*)Staurolite  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)203419
Albite  (*)FeldsparNa(AlSi3O8)2242450,2424518803
Almandine  (*)GarnetFe2+3Al2(SiO4)32242450,2424532353
Beryl  (*)BerylBe3Al2Si6O185242446,242447,242448,242451,2424524286
Chloritoid  (*)ChloritoidFe2+Al2O(SiO4)(OH)21242450376
Cordierite  (*)BerylMg2Al4Si5O1812424501008
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)12424508173
Fluorapatite  (*)ApatiteCa5(PO4)3F12424502740
Graphite  (*)NoneC02812
Ilmenite  (*)CorundumFe2+Ti4+O312424505433
Kyanite  (*)Not in a structural groupAl2OSiO412424501507
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)26242445,242447,242448,242450,242451,24245217380
Quartz  (*)QuartzSiO26242445,242447,242448,242450,242451,24245261156
Rutile  (*)RutileTiO212424505614
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)3242446,242447,2424512705
Sillimanite  (*)Not in a structural groupAl2SiO512424501516
Staurolite  (*)StauroliteFe2+2Al9Si4O23(OH)1242450978
Zircon  (*)ZirconZr(SiO4)12424505251



No ages have been assigned to this locality yet.

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