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:
Peru, Oxford Co., Maine, USA


mindat Locality ID: 21010
mindat URL: http://www.mindat.org/loc-21010.html

Tectonic Settings:

Total number of sublocalities beneath "Peru, Oxford Co., Maine, USA": 13
Total number of bottom-level sublocalities: 13

Number of Child Localities: 13
Child Localities:
Balcumas Mica Prospect
Black Mountain Locality
Clark Mica Prospect
Hedgehog Hill Quarry (Gem Mica Quarry)
House Mica Prospect
J.P. York Prospect
Joyner Locality
Lobikis Quarry
Mockus Ledge Locality
Perry Petalite Prospect
Pinnacle Prospect
Speckled Mountain Localities
Will Austin Ledge Locality

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 As B Ba Be C Ca Cu F Fe H K Li Mg Mn Na Nb O P S Si Sn Sr Ta U Zn Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmorphousApatiteArseniosideriteArsenopyriteAutuniteBerylCalciteChloriteClayColumbite
CoronaditeDiasporeFairfielditeFeldsparFluoriteGadoliniteGarnetKaoliniteLöllingiteMeta-autunite
MicaNickelineNoneNot in a structural groupOlivinePyritePyroxeneQuartzRutileSchoepite
Smectite-vermiculiteSphaleriteTapioliteTourmalineVivianiteZircon

51 IMA Minerals at location:
Albite  (*)Almandine  (*)Annite  (*)Arsenopyrite  (*)Autunite  (*)
Bertrandite  (*)Beryl  (*)Cassiterite  (*)Chrysoberyl  (*)Columbite-(Fe)  (*)
Columbite-(Mn)  (*)Cookeite  (*)Cryptomelane  (*)Diadochite  (*)Elbaite  (*)
Fairfieldite  (*)Fluorapatite  (*)Goethite  (*)Heterosite  (*)Hisingerite  (*)
Hydroxylapatite  (*)Hydroxylherderite  (*)Löllingite  (*)Meta-autunite  (*)Metatorbernite  (*)
Microcline  (*)Mitridatite  (*)Montebrasite  (*)Montmorillonite  (*)Muscovite  (*)
Nontronite  (*)Opal  (*)Petalite  (*)Pyrite  (*)Pyrrhotite  (*)
Quartz  (*)Rhodochrosite  (*)Schoepite  (*)Schorl  (*)Sphalerite  (*)
Spodumene  (*)Tapiolite-(Fe)  (*)Todorokite  (*)Torbernite  (*)Triphylite  (*)
Uraninite  (*)Uranophane-α  (*)Vivianite  (*)Wodginite  (*)Xanthoxenite  (*)
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)3217448,217452,2174548803
Almandine  (*)GarnetFe2+3Al2(SiO4)34217448,217449,217452,2174542353
Annite  (*)Mica ClayKFe2+3(AlSi3O10)(OH)21217454356
Arsenopyrite  (*)ArsenopyriteFeAsS12174549052
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O12174541272
Bertrandite  (*)Not in a structural groupBe4Si2O7(OH)21217454606
Beryl  (*)BerylBe3Al2Si6O185217448,217452,217453,217454,2174564286
Cassiterite  (*)RutileSnO212174545171
Chrysoberyl  (*)OlivineBeAl2O42217448,217450321
Columbite-(Fe)  (*)ColumbiteFe2+Nb2O61217454518
Columbite-(Mn)  (*)ColumbiteMn2+Nb2O61217454289
Cookeite  (*)Chlorite Clay(Al,Li)3Al2(Si,Al)4O10(OH)81217454181
Cryptomelane  (*)CoronaditeK(Mn4+7Mn3+)O161217454599
Diadochite  (*)AmorphousFe3+2(PO4)(SO4)(OH)·6H2O121745481
Elbaite  (*)TourmalineNa(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH)1217454520
Fairfieldite  (*)FairfielditeCa2Mn2+(PO4)2·2H2O121745472
Fluorapatite  (*)ApatiteCa5(PO4)3F3217448,217452,2174542740
Goethite  (*)DiasporeFeO(OH)12174547437
Heterosite  (*)OlivineFe3+(PO4)2217452,217454204
Hisingerite  (*)Kaolinite ClayFe2Si2O5(OH)4·2H2O1217454144
Hydroxylapatite  (*)ApatiteCa5(PO4)3OH1217454367
Hydroxylherderite  (*)GadoliniteCaBe(PO4)(OH)1217454119
Löllingite  (*)LöllingiteFeAs21217454762
Meta-autunite  (*)Meta-autuniteCa(UO2)2(PO4)2·6H2O1217454388
Metatorbernite  (*)NoneCu(UO2)2(PO4)2·8H2O2217452,217454443
Microcline  (*)FeldsparK(AlSi3O8)13217445,217446,217447,217448,217449,217450,217451,217452,217453,217454,217455,217456,2174574924
Mitridatite  (*)ArseniosideriteCa2Fe3+3O2(PO4)3·3H2O1217454129
Montebrasite  (*)NoneLiAl(PO4)(OH)1217454200
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O12174541508
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)213217445,217446,217447,217448,217449,217450,217451,217452,217453,217454,217455,217456,21745717380
Nontronite  (*)Clay Smectite-vermiculiteNa0.3Fe3+2(Si,Al)4O10(OH)2·nH2O1217454471
Opal  (*)AmorphousSiO2·nH2O12174542994
Petalite  (*)Not in a structural groupLiAlSi4O101217454124
Pyrite  (*)PyriteFeS2121745439462
Pyrrhotite  (*)NickelineFe7S812174529056
Quartz  (*)QuartzSiO213217445,217446,217447,217448,217449,217450,217451,217452,217453,217454,217455,217456,21745761156
Rhodochrosite  (*)CalciteMn(CO3)12174541711
Schoepite  (*)Schoepite(UO2)4O(OH)6(H2O)6121745494
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)3217448,217452,2174542705
Sphalerite  (*)SphaleriteZnS121745421482
Spodumene  (*)PyroxeneLiAlSi2O61217454688
Tapiolite-(Fe)  (*)TapioliteFe2+Ta2O6121745488
Todorokite  (*)None(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O1217454433
Torbernite  (*)NoneCu(UO2)2(PO4)2·12H2O2217452,2174541059
Triphylite  (*)OlivineLiFe2+(PO4)2217452,217454313
Uraninite  (*)FluoriteUO212174542718
Uranophane-α  (*)NoneCa(UO2)2(SiO3OH)2·5H2O1217454890
Vivianite  (*)VivianiteFe2+3(PO4)2·8H2O2217452,217454636
Wodginite  (*)ColumbiteMn2+Sn4+Ta2O8121745478
Xanthoxenite  (*)NoneCa4Fe3+2(PO4)4(OH)2·3H2O121745429
Zircon  (*)ZirconZr(SiO4)12174545251


No ages have been assigned to this locality yet.
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