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:
Keyes Mica Quarries, Orange, Grafton Co., New Hampshire, USA


mindat Locality ID: 3944
mindat URL: http://www.mindat.org/loc-3944.html

Tectonic Settings:

Total number of sublocalities beneath "Keyes Mica Quarries, Orange, Grafton Co., New Hampshire, USA": 6
Total number of bottom-level sublocalities: 6

Number of Child Localities: 6
Child Localities:
No. 1 Pit
No. 2 Pit
No. 3 Pit
No. 4 Pit
No. 5 Pit
No. 6 Pit

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 F Fe H K Li Mn Na O P S Si Sr U Zn Zr 

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

Structural Groups for minerals in this locality: 
AluniteApatiteAutuniteBerylCalciteChildreniteClayFeldsparGadoliniteGarnet
GraftoniteMeta-autuniteMicaNickelineNoneNot in a structural groupOlivinePhenakitePyriteQuartz
SphaleriteStrunziteTourmalineVivianiteWagneriteZircon

27 IMA Minerals at location:
Albite  (*)Almandine  (*)Autunite  (*)Bertrandite  (*)Beryl  (*)
Eosphorite  (*)Fluorapatite  (*)Goyazite  (*)Graftonite  (*)Hydroxylherderite  (*)
Meta-autunite  (*)Microcline  (*)Muscovite  (*)Phenakite  (*)Pyrite  (*)
Pyrrhotite  (*)Quartz  (*)Schorl  (*)Siderite  (*)Spessartine  (*)
Sphalerite  (*)Strunzite  (*)Triphylite  (*)Uranophane-α  (*)Vivianite  (*)
Wolfeite  (*)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)6242387,242388,242389,242390,242391,2423928803
Almandine  (*)GarnetFe2+3Al2(SiO4)302353
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O01272
Bertrandite  (*)Not in a structural groupBe4Si2O7(OH)20606
Beryl  (*)BerylBe3Al2Si6O182242387,2423884286
Eosphorite  (*)ChildreniteMn2+Al(PO4)(OH)2·H2O0128
Fluorapatite  (*)ApatiteCa5(PO4)3F02740
Goyazite  (*)AluniteSrAl3(PO4)(PO3OH)(OH)60173
Graftonite  (*)GraftoniteFe2+Fe2+2(PO4)21242387107
Hydroxylherderite  (*)GadoliniteCaBe(PO4)(OH)0119
Meta-autunite  (*)Meta-autuniteCa(UO2)2(PO4)2·6H2O0388
Microcline  (*)FeldsparK(AlSi3O8)04924
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)26242387,242388,242389,242390,242391,24239217380
Phenakite  (*)PhenakiteBe2(SiO4)0326
Pyrite  (*)PyriteFeS2124238739462
Pyrrhotite  (*)NickelineFe7S812423879056
Quartz  (*)QuartzSiO26242387,242388,242389,242390,242391,24239261156
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)12423872705
Siderite  (*)CalciteFe(CO3)06417
Spessartine  (*)GarnetMn2+3Al2(SiO4)301214
Sphalerite  (*)SphaleriteZnS021482
Strunzite  (*)StrunziteMn2+Fe3+2(PO4)2(OH)2·6H2O098
Triphylite  (*)OlivineLiFe2+(PO4)0313
Uranophane-α  (*)NoneCa(UO2)2(SiO3OH)2·5H2O0890
Vivianite  (*)VivianiteFe2+3(PO4)2·8H2O0636
Wolfeite  (*)WagneriteFe2+2(PO4)(OH)043
Zircon  (*)ZirconZr(SiO4)05251



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

All age data...

Other copyright data...