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:
Uncle Tom Mountain, Greenwood, Oxford Co., Maine, USA

Oldest recorded age at locality: 264
Youngest recorded age at locality: 260

mindat Locality ID: 228302
mindat URL: http://www.mindat.org/loc-228302.html

Tectonic Settings:

Total number of sublocalities beneath "Uncle Tom Mountain, Greenwood, Oxford Co., Maine, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Emmons Quarry (Uncle Tom Mountain Quarry)

Latitude: 44°19'22"N
Longitude: 70°41'39"W
Decimal Degree (lat, lon): 44.322777777778,-70.694166666667
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 Cs 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: 
AluniteAmorphousAnalcimeApatiteArrojaditeArseniosideriteArsenopyriteArthuriteAutuniteBeraunite
BerylBerylloniteCalciteChildreniteChloriteClayColumbiteFairfielditeFeldsparFluorite
GadoliniteGarnetHureauliteJahnsiteLöllingiteLaueiteLeucophosphiteMeta-autuniteMicaMilarite
NoneNot in a structural groupOlivinePerhamitePhosphosideritePhosphuranylitePyroxeneQuartzReddingiteRockbridgeite
RutileSmectite-vermiculiteSpinelStewartiteStrunziteTourmalineVivianiteZircon

70 IMA Minerals at location:
Albite  (*)Almandine  (*)Arsenopyrite  (*)Autunite  (*)Beraunite  (*)
Bermanite  (*)Bertrandite  (*)Beryl  (*)Beryllonite  (*)Cassiterite  (*)
Columbite-(Fe)  (*)Columbite-(Mn)  (*)Cookeite  (*)Crandallite  (*)Diadochite  (*)
Dickinsonite-(KMnNa)  (*)Earlshannonite  (*)Elbaite  (*)Eosphorite  (*)Fairfieldite  (*)
Fluorapatite  (*)Frondelite  (*)Gahnite  (*)Goyazite  (*)Hureaulite  (*)
Hydroxylapatite  (*)Hydroxylherderite  (*)Jahnsite-(MnMnMn)  (*)Kastningite  (*)Landesite  (*)
Laueite  (*)Leucophosphite  (*)Lithiophilite  (*)Löllingite  (*)Ludlamite  (*)
Meta-autunite  (*)Metaswitzerite  (*)Microcline  (*)Milarite  (*)Mitridatite  (*)
Montebrasite  (*)Montmorillonite  (*)Moraesite  (*)Muscovite  (*)Nontronite  (*)
Perhamite  (*)Phosphoferrite  (*)Phosphosiderite  (*)Phosphuranylite  (*)Pollucite  (*)
Purpurite  (*)Quartz  (*)Reddingite  (*)Rhodochrosite  (*)Robertsite  (*)
Rockbridgeite  (*)Schorl  (*)Scorodite  (*)Siderite  (*)Spodumene  (*)
Stewartite  (*)Strengite  (*)Strunzite  (*)Tantalite-(Mn)  (*)Tantalowodginite  (*)
Todorokite  (*)Uraninite  (*)Vivianite  (*)Wodginite  (*)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)26426012173268803
Almandine  (*)GarnetFe2+3Al2(SiO4)326426012173262353
Arsenopyrite  (*)ArsenopyriteFeAsS26426012173269052
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O26426012173261272
Beraunite  (*)BerauniteFe3+6(PO4)4O(OH)4·6H2O2642601217326136
Bermanite  (*)ArthuriteMn2+Mn3+2(PO4)2(OH)2·4H2O264260121732655
Bertrandite  (*)Not in a structural groupBe4Si2O7(OH)22642601217326606
Beryl  (*)BerylBe3Al2Si6O1826426012173264286
Beryllonite  (*)BerylloniteNaBe(PO4)264260121732647
Cassiterite  (*)RutileSnO226426012173265171
Columbite-(Fe)  (*)ColumbiteFe2+Nb2O62642601217326518
Columbite-(Mn)  (*)ColumbiteMn2+Nb2O62642601217326289
Cookeite  (*)Chlorite Clay(Al,Li)3Al2(Si,Al)4O10(OH)82642601217326181
Crandallite  (*)AluniteCaAl3(PO4)(PO3OH)(OH)62642601217326310
Diadochite  (*)AmorphousFe3+2(PO4)(SO4)(OH)·6H2O264260121732681
Dickinsonite-(KMnNa)  (*)ArrojaditeK(NaMn)CaNa3AlMn13(PO4)12(OH)2264260121732626
Earlshannonite  (*)ArthuriteMn2+Fe3+2(PO4)2(OH)2·4H2O264260121732612
Elbaite  (*)TourmalineNa(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH)2642601217326520
Eosphorite  (*)ChildreniteMn2+Al(PO4)(OH)2·H2O2642601217326128
Fairfieldite  (*)FairfielditeCa2Mn2+(PO4)2·2H2O264260121732672
Fluorapatite  (*)ApatiteCa5(PO4)3F26426012173262740
Frondelite  (*)Rockbridgeite(Mn2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)5264260121732652
Gahnite  (*)SpinelZnAl2O42642601217326445
Goyazite  (*)AluniteSrAl3(PO4)(PO3OH)(OH)62642601217326173
Hureaulite  (*)HureauliteMn2+5(PO3OH)2(PO4)2·4H2O2642601217326125
Hydroxylapatite  (*)ApatiteCa5(PO4)3OH2642601217326367
Hydroxylherderite  (*)GadoliniteCaBe(PO4)(OH)2642601217326119
Jahnsite-(MnMnMn)  (*)JahnsiteMn2+Mn2+Mn2+2Fe3+2(PO4)4(OH)2·8H2O26426012173266
Kastningite  (*)StewartiteMn2+Al2(PO4)2(OH)2·8H2O26426012173268
Landesite  (*)ReddingiteMn2+9Fe3+3(PO4)8(OH)3·9H2O264260121732614
Laueite  (*)LaueiteMn2+Fe3+2(PO4)2(OH)2·8H2O264260121732670
Leucophosphite  (*)LeucophosphiteKFe3+2(PO4)2(OH)·2H2O2642601217326110
Lithiophilite  (*)OlivineLiMn2+(PO4)2642601217326155
Löllingite  (*)LöllingiteFeAs22642601217326762
Ludlamite  (*)NoneFe2+3(PO4)2·4H2O264260121732666
Meta-autunite  (*)Meta-autuniteCa(UO2)2(PO4)2·6H2O2642601217326388
Metaswitzerite  (*)NoneMn2+3(PO4)2·4H2O264260121732622
Microcline  (*)FeldsparK(AlSi3O8)26426012173264924
Milarite  (*)MilariteKCa2(Be2AlSi12)O30·H2O2642601217326156
Mitridatite  (*)ArseniosideriteCa2Fe3+3O2(PO4)3·3H2O2642601217326129
Montebrasite  (*)NoneLiAl(PO4)(OH)2642601217326200
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O26426012173261508
Moraesite  (*)NoneBe2(PO4)(OH)·4H2O264260121732635
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2264260121732617380
Nontronite  (*)Clay Smectite-vermiculiteNa0.3Fe3+2(Si,Al)4O10(OH)2·nH2O2642601217326471
Perhamite  (*)PerhamiteCa3Al7.7Si3P4O23.5(OH)14.1·8H2O264260121732619
Phosphoferrite  (*)ReddingiteFe2+3(PO4)2·3H2O264260121732631
Phosphosiderite  (*)PhosphosideriteFe3+(PO4)·2H2O2642601217326182
Phosphuranylite  (*)PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4·8H2O2642601217326182
Pollucite  (*)AnalcimeCs(Si2Al)O6·nH2O2642601217326140
Purpurite  (*)OlivineMn3+(PO4)264260121732680
Quartz  (*)QuartzSiO2264260121732661156
Reddingite  (*)ReddingiteMn2+3(PO4)2·3H2O264260121732624
Rhodochrosite  (*)CalciteMn(CO3)26426012173261711
Robertsite  (*)ArseniosideriteCa2Mn3+3O2(PO4)3·3H2O264260121732636
Rockbridgeite  (*)Rockbridgeite(Fe2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)52642601217326206
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)26426012173262705
Scorodite  (*)NoneFe3+(AsO4)·2H2O26426012173261153
Siderite  (*)CalciteFe(CO3)26426012173266417
Spodumene  (*)PyroxeneLiAlSi2O62642601217326688
Stewartite  (*)StewartiteMn2+Fe3+2(PO4)2(OH)2·8H2O264260121732648
Strengite  (*)NoneFe3+(PO4)·2H2O2642601217326263
Strunzite  (*)StrunziteMn2+Fe3+2(PO4)2(OH)2·6H2O264260121732698
Tantalite-(Mn)  (*)ColumbiteMn2+Ta2O62642601217326211
Tantalowodginite  (*)Columbite(Mn,   )TaTa2O826426012173261
Todorokite  (*)None(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O2642601217326433
Uraninite  (*)FluoriteUO226426012173262718
Vivianite  (*)VivianiteFe2+3(PO4)2·8H2O2642601217326636
Wodginite  (*)ColumbiteMn2+Sn4+Ta2O8264260121732678
Zircon  (*)ZirconZr(SiO4)26426012173265251


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-0187264260264–260Ar-ArAge of pegmatitemuscovite11Dw304a, 11Dw305a YesMuscovite  3784Mount Mica Quarry (Mount Mica Mine), Paris, Oxford Co., Maine, USAMount MicaBradley et al. (2016)10.3749/canmin.1600035CM54_945 

SampleSource LocalityReference URL
R110142Emmons Quarry (Uncle Tom Mountain Quarry), Uncle Tom Mountain, Greenwood, Oxford Co., Maine, USAhttps://rruff.info/R110142

All locality data graciously provided by mindat.org

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