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:
Palermo No. 16 Mine, Groton, Grafton Co., New Hampshire, USA

Oldest recorded age at locality: 326
Youngest recorded age at locality: 294

mindat Locality ID: 77251
mindat URL: http://www.mindat.org/loc-77251.html

Tectonic Settings:

Total number of sublocalities beneath "Palermo No. 16 Mine, Groton, Grafton Co., New Hampshire, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0
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 Cu F Fe H K Li Mn Na O P Pb S Si U Zn Zr 

Elements from minerals reported directly at this locality: Al B Be C Ca Cu F Fe H K Li Mn Na O P Pb S Si U Zn Zr 

Structural Groups for minerals in this locality: 
ApatiteArseniosideriteAutuniteBerylCalcioferriteCalciteChalcopyriteClayCorundumDiaspore
FeldsparGarnetLaueiteLazuliteMicaNoneOlivinePhosphophyllitePyriteQuartz
RockbridgeiteRocksaltStrunziteTourmalineVivianiteZircon

27 IMA Minerals at location:
Albite  (*)Almandine  (*)Autunite  (*)Beryl  (*)Bornite  (*)
Chalcopyrite  (*)Fluorapatite  (*)Galena  (*)Goethite  (*)Hematite  (*)
Heterosite  (*)Laueite  (*)Microcline  (*)Mitridatite  (*)Muscovite  (*)
Phosphophyllite  (*)Pyrite  (*)Quartz  (*)Rockbridgeite  (*)Schoonerite  (*)
Schorl  (*)Scorzalite  (*)Siderite  (*)Strunzite  (*)Triphylite  (*)
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)32629408803
Almandine  (*)GarnetFe2+3Al2(SiO4)332629402353
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O32629401272
Beryl  (*)BerylBe3Al2Si6O1832629404286
Bornite  (*)NoneCu5FeS432629405516
Chalcopyrite  (*)ChalcopyriteCuFeS2326294027198
Fluorapatite  (*)ApatiteCa5(PO4)3F32629402740
Galena  (*)RocksaltPbS326294024243
Goethite  (*)DiasporeFeO(OH)32629407437
Hematite  (*)CorundumFe2O3326294014640
Heterosite  (*)OlivineFe3+(PO4)3262940204
Laueite  (*)LaueiteMn2+Fe3+2(PO4)2(OH)2·8H2O326294070
Microcline  (*)FeldsparK(AlSi3O8)32629404924
Mitridatite  (*)ArseniosideriteCa2Fe3+3O2(PO4)3·3H2O3262940129
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2326294017380
Phosphophyllite  (*)PhosphophylliteZn2Fe2+(PO4)2·4H2O326294029
Pyrite  (*)PyriteFeS2326294039462
Quartz  (*)QuartzSiO2326294061156
Rockbridgeite  (*)Rockbridgeite(Fe2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)53262940206
Schoonerite  (*)CalcioferriteZnMn2+Fe2+2Fe3+(PO4)3(OH)2(H2O)7·2H2O326294013
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)32629402705
Scorzalite  (*)LazuliteFe2+Al2(PO4)2(OH)2326294060
Siderite  (*)CalciteFe(CO3)32629406417
Strunzite  (*)StrunziteMn2+Fe3+2(PO4)2(OH)2·6H2O326294098
Triphylite  (*)OlivineLiFe2+(PO4)3262940313
Vivianite  (*)VivianiteFe2+3(PO4)2·8H2O3262940636
Zircon  (*)ZirconZr(SiO4)32629405251


1 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
Alexandra-0181326294326–294U-PbAge of pegmatitezircon11Dw303a YesZircon  3942Palermo No. 1 Mine (Palermo No. 1 Pegmatite; Hartford Mine; GE Mine), Groton, Grafton Co., New Hampshire, USAPalermo #1Bradley et al. (2016)10.3749/canmin.1600035CM54_945 

All locality data graciously provided by mindat.org

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