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:
Grafton, Grafton Co., New Hampshire, USA

Oldest recorded age at locality: 332.09
Youngest recorded age at locality: 0

mindat Locality ID: 23308
mindat URL: http://www.mindat.org/loc-23308.html

Tectonic Settings:

Total number of sublocalities beneath "Grafton, Grafton Co., New Hampshire, USA": 34
Total number of bottom-level sublocalities: 33

Number of Child Localities: 33
Child Localities:
Aaron's Ledge Prospect
Alger #1 Quarry
Alger #2 Quarry (Jackman Pit)
Alger #3 Quarry
Bennet Quarry (Bennet Brothers Quarry)
Boardman Quarry
Buffum Quarry
Carpenter Quarry
Cole Quarry (Ed Cole Quarry)
DeMott Quarry
Ed Lovering Quarry (Prescott Quarry; Robinson Quarry)
Evans Quarry (Eureka Quarry)
Gage Quarry
Glass Hill Quarry
Glover Quarry
Grafton Mica Works Quarry
Haile-Buckley Quarry (Saunder's Quarry)
Hale Quarry
Hammond Quarry
John Hill Quarry (Evets Quarry)
Kilton Mica Quarry
Lovering Quarry
Melvin Mountain
New Hill Quarry
Old Kilton Quarry
Pinnacle Quarry (Banks Pinnacle Quarry)
Powell Prospect (Thurman Powell Prospect; E.E. Smith #2 Prospect)
Rawlins Quarry
Ruby Quarry (Barney Quarry Robinson Quarry)
Ruggles Mine
Sargent Quarry (Horse Hill Quarry)
Straw Quarry
United Quarry

Latitude: 43°35'27"N
Longitude: 71°59'27"W
Decimal Degree (lat, lon): 43.590833333333,-71.990833333333
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 As B Be Bi Ca Cu F Fe H K Li Mg Na Nb O P Pb S Si U Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ApatiteArsenicAutuniteBaryteBerylBerylloniteChalcopyriteClayColumbiteDiaspore
FeldsparFluoriteGarnetGraftoniteLöllingiteMeta-autuniteMicaNickelineNoneNot in a structural group
OlivinePhosphuranylitePyriteQuartzRocksaltSchoepiteSmectite-vermiculiteStauroliteTourmalineVesuvianite
VivianiteZircon

44 IMA Minerals at location:
Albite  (*)Almandine  (*)Anglesite  (*)Autunite  (*)Bertrandite  (*)
Beryl  (*)Beryllonite  (*)Bismuth  (*)Chalcopyrite  (*)Chrysoberyl  (*)
Columbite-(Fe)  (*)Fluorapatite  (*)Galena  (*)Goethite  (*)Graftonite  (*)
Heterosite  (*)Kasolite  (*)Löllingite  (*)Meta-autunite  (*)Metatorbernite  (*)
Microcline  (*)Montmorillonite  (*)Muscovite  (*)Uranophane-β  (*)Parsonsite  (*)
Paulscherrerite  (*)Phosphuranylite  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)
Sarcopside  (*)Schoepite  (*)Schorl  (*)Sillimanite  (*)Soddyite  (*)
Staurolite  (*)Torbernite  (*)Triphylite  (*)Uraninite  (*)Uranophane-α  (*)
Vandendriesscheite  (*)Vesuvianite  (*)Vivianite  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)332.0908242181,242196,242197,242200,242204,242206,242210,2422138803
Almandine  (*)GarnetFe2+3Al2(SiO4)3332.09031242180,242181,242182,242183,242184,242185,242186,242187,242188,242189,242190,242191,242192,242194,242195,242196,242197,242198,242199,242200,242202,242203,242204,242205,242207,242208,242209,242210,242211,242212,2422132353
Anglesite  (*)BarytePb(SO4)332.09012422102734
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O332.0902242193,2422101272
Bertrandite  (*)Not in a structural groupBe4Si2O7(OH)2332.0902242189,242210606
Beryl  (*)BerylBe3Al2Si6O18332.09012242181,242182,242189,242191,242193,242195,242196,242200,242203,242209,242210,2422114286
Beryllonite  (*)BerylloniteNaBe(PO4)332.090124221047
Bismuth  (*)ArsenicBi332.09012422101966
Chalcopyrite  (*)ChalcopyriteCuFeS2124220627198
Chrysoberyl  (*)OlivineBeAl2O4332.0901242210321
Columbite-(Fe)  (*)ColumbiteFe2+Nb2O6332.0901242210518
Fluorapatite  (*)ApatiteCa5(PO4)3F332.0909242182,242186,242187,242193,242196,242197,242200,242209,2422102740
Galena  (*)RocksaltPbS332.090124221024243
Goethite  (*)DiasporeFeO(OH)332.09012422107437
Graftonite  (*)GraftoniteFe2+Fe2+2(PO4)22242189,242203107
Heterosite  (*)OlivineFe3+(PO4)1242189204
Kasolite  (*)NonePb(UO2)(SiO4)·H2O332.0901242210198
Löllingite  (*)LöllingiteFeAs2332.0902242189,242210762
Meta-autunite  (*)Meta-autuniteCa(UO2)2(PO4)2·6H2O332.0903242187,242189,242210388
Metatorbernite  (*)NoneCu(UO2)2(PO4)2·8H2O332.0903242187,242189,242210443
Microcline  (*)FeldsparK(AlSi3O8)332.09030242180,242181,242182,242183,242184,242185,242186,242187,242188,242190,242191,242192,242194,242195,242196,242197,242198,242199,242200,242202,242204,242205,242206,242207,242208,242209,242210,242211,242212,2422134924
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O332.0902242193,2422101508
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2332.09320.0933242180,242181,242182,242184,242185,242186,242187,242188,242189,242190,242191,242192,242193,242194,242195,242196,242197,242198,242199,242200,242201,242202,242203,242204,242205,242206,242207,242208,242209,242210,242211,242212,24221317380
Uranophane-β  (*)NoneCa(UO2)2(SiO3OH)2·5H2O332.0901242210144
Parsonsite  (*)NonePb2(UO2)(PO4)2332.090124221063
Paulscherrerite  (*)None(UO2)(OH)2332.09012422103
Phosphuranylite  (*)PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4·8H2O332.0901242210182
Pyrite  (*)PyriteFeS2332.0903242186,242191,24221039462
Pyrrhotite  (*)NickelineFe7S8332.09012422109056
Quartz  (*)QuartzSiO2332.09034242180,242181,242182,242183,242184,242185,242186,242187,242188,242189,242190,242191,242192,242193,242194,242195,242196,242197,242198,242199,242200,242201,242202,242203,242204,242205,242206,242207,242208,242209,242210,242211,242212,24221361156
Sarcopside  (*)NoneFe2+3(PO4)2124218958
Schoepite  (*)Schoepite(UO2)4O(OH)6(H2O)6332.090124221094
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)332.09016242181,242182,242183,242186,242187,242189,242193,242195,242196,242197,242200,242204,242206,242209,242210,2422112705
Sillimanite  (*)Not in a structural groupAl2SiO5332.0904242181,242197,242200,2422101516
Soddyite  (*)None(UO2)2(SiO4)(H2O)2332.090124221044
Staurolite  (*)StauroliteFe2+2Al9Si4O23(OH)332.0901242210978
Torbernite  (*)NoneCu(UO2)2(PO4)2·12H2O332.09012422101059
Triphylite  (*)OlivineLiFe2+(PO4)332.0903242189,242203,242210313
Uraninite  (*)FluoriteUO2332.0904242181,242189,242193,2422102718
Uranophane-α  (*)NoneCa(UO2)2(SiO3OH)2·5H2O332.0901242210890
Vandendriesscheite  (*)NonePb1.6(UO2)10O6(OH)11·11H2O332.090124221052
Vesuvianite  (*)Vesuvianite(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)1012422131395
Vivianite  (*)VivianiteFe2+3(PO4)2·8H2O332.0902242189,242210636
Zircon  (*)ZirconZr(SiO4)332.09012422105251


3 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
USGS-Rb-Sr-00981332.09320.09326.09±6Rb-Srminimum age of intrusionmuscovite   Muscovite  3281Ruggles Mine, Grafton, Grafton Co., New Hampshire, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-00982320.91320.91320.91Rb-Srage meaning uncertain (analysis questionable)k-feldspar     3281Ruggles Mine, Grafton, Grafton Co., New Hampshire, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-U-Th-Pb-00254_207_20616000±160207_206age not evaluateduraninite, pitchblende     3281Ruggles Mine, Grafton, Grafton Co., New Hampshire, USA USGS-U-Th-Pb USGS-U-Th-Pb 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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