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:
Ruggles Mine, Grafton, Grafton Co., New Hampshire, USA

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

mindat Locality ID: 3281
mindat URL: http://www.mindat.org/loc-3281.html

Tectonic Settings:

Total number of sublocalities beneath "Ruggles Mine, Grafton, Grafton Co., New Hampshire, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 43°35'27"N
Longitude: 71°59'28"W
Decimal Degree (lat, lon): 43.590833333333,-71.991111111111

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: Al As B Be Bi Ca Cu F Fe H K Li Mg Na Nb O P Pb S Si U Zr 

Structural Groups for minerals in this locality: 
ApatiteArsenicAutuniteBaryteBerylBerylloniteClayColumbiteDiasporeFeldspar
FluoriteGarnetLöllingiteMeta-autuniteMicaNickelineNoneNot in a structural groupOlivinePhosphuranylite
PyriteQuartzRocksaltSchoepiteSmectite-vermiculiteStauroliteTourmalineVivianiteZircon

39 IMA Minerals at location:
Albite  (*)Almandine  (*)Anglesite  (*)Autunite  (*)Bertrandite  (*)
Beryl  (*)Beryllonite  (*)Bismuth  (*)Chrysoberyl  (*)Columbite-(Fe)  (*)
Fluorapatite  (*)Galena  (*)Goethite  (*)Kasolite  (*)Löllingite  (*)
Meta-autunite  (*)Metatorbernite  (*)Microcline  (*)Montmorillonite  (*)Muscovite  (*)
Uranophane-β  (*)Parsonsite  (*)Paulscherrerite  (*)Phosphuranylite  (*)Pyrite  (*)
Pyrrhotite  (*)Quartz  (*)Schoepite  (*)Schorl  (*)Sillimanite  (*)
Soddyite  (*)Staurolite  (*)Torbernite  (*)Triphylite  (*)Uraninite  (*)
Uranophane-α  (*)Vandendriesscheite  (*)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)332.09008803
Almandine  (*)GarnetFe2+3Al2(SiO4)3332.09002353
Anglesite  (*)BarytePb(SO4)332.09002734
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O332.09001272
Bertrandite  (*)Not in a structural groupBe4Si2O7(OH)2332.0900606
Beryl  (*)BerylBe3Al2Si6O18332.09004286
Beryllonite  (*)BerylloniteNaBe(PO4)332.090047
Bismuth  (*)ArsenicBi332.09001966
Chrysoberyl  (*)OlivineBeAl2O4332.0900321
Columbite-(Fe)  (*)ColumbiteFe2+Nb2O6332.0900518
Fluorapatite  (*)ApatiteCa5(PO4)3F332.09002740
Galena  (*)RocksaltPbS332.090024243
Goethite  (*)DiasporeFeO(OH)332.09007437
Kasolite  (*)NonePb(UO2)(SiO4)·H2O332.0900198
Löllingite  (*)LöllingiteFeAs2332.0900762
Meta-autunite  (*)Meta-autuniteCa(UO2)2(PO4)2·6H2O332.0900388
Metatorbernite  (*)NoneCu(UO2)2(PO4)2·8H2O332.0900443
Microcline  (*)FeldsparK(AlSi3O8)332.09004924
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O332.09001508
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2332.09320.09017380
Uranophane-β  (*)NoneCa(UO2)2(SiO3OH)2·5H2O332.0900144
Parsonsite  (*)NonePb2(UO2)(PO4)2332.090063
Paulscherrerite  (*)None(UO2)(OH)2332.09003
Phosphuranylite  (*)PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4·8H2O332.0900182
Pyrite  (*)PyriteFeS2332.090039462
Pyrrhotite  (*)NickelineFe7S8332.09009056
Quartz  (*)QuartzSiO2332.090061156
Schoepite  (*)Schoepite(UO2)4O(OH)6(H2O)6332.090094
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)332.09002705
Sillimanite  (*)Not in a structural groupAl2SiO5332.09001516
Soddyite  (*)None(UO2)2(SiO4)(H2O)2332.090044
Staurolite  (*)StauroliteFe2+2Al9Si4O23(OH)332.0900978
Torbernite  (*)NoneCu(UO2)2(PO4)2·12H2O332.09001059
Triphylite  (*)OlivineLiFe2+(PO4)332.0900313
Uraninite  (*)FluoriteUO2332.09002718
Uranophane-α  (*)NoneCa(UO2)2(SiO3OH)2·5H2O332.0900890
Vandendriesscheite  (*)NonePb1.6(UO2)10O6(OH)11·11H2O332.090052
Vivianite  (*)VivianiteFe2+3(PO4)2·8H2O332.0900636
Zircon  (*)ZirconZr(SiO4)332.09005251



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

All age data...

Other copyright data...