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:
Emmons Quarry (Uncle Tom Mountain Quarry), Uncle Tom Mountain, Greenwood, Oxford Co., Maine, USA

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

mindat Locality ID: 3787
mindat URL: http://www.mindat.org/loc-3787.html

Tectonic Settings:

Total number of sublocalities beneath "Emmons Quarry (Uncle Tom Mountain Quarry), Uncle Tom Mountain, Greenwood, Oxford Co., Maine, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 44°19'23"N
Longitude: 70°41'40"W
Decimal Degree (lat, lon): 44.323055555556,-70.694444444444
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: 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 

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)26426008803
Almandine  (*)GarnetFe2+3Al2(SiO4)326426002353
Arsenopyrite  (*)ArsenopyriteFeAsS26426009052
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O26426001272
Beraunite  (*)BerauniteFe3+6(PO4)4O(OH)4·6H2O2642600136
Bermanite  (*)ArthuriteMn2+Mn3+2(PO4)2(OH)2·4H2O264260055
Bertrandite  (*)Not in a structural groupBe4Si2O7(OH)22642600606
Beryl  (*)BerylBe3Al2Si6O1826426004286
Beryllonite  (*)BerylloniteNaBe(PO4)264260047
Cassiterite  (*)RutileSnO226426005171
Columbite-(Fe)  (*)ColumbiteFe2+Nb2O62642600518
Columbite-(Mn)  (*)ColumbiteMn2+Nb2O62642600289
Cookeite  (*)Chlorite Clay(Al,Li)3Al2(Si,Al)4O10(OH)82642600181
Crandallite  (*)AluniteCaAl3(PO4)(PO3OH)(OH)62642600310
Diadochite  (*)AmorphousFe3+2(PO4)(SO4)(OH)·6H2O264260081
Dickinsonite-(KMnNa)  (*)ArrojaditeK(NaMn)CaNa3AlMn13(PO4)12(OH)2264260026
Earlshannonite  (*)ArthuriteMn2+Fe3+2(PO4)2(OH)2·4H2O264260012
Elbaite  (*)TourmalineNa(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH)2642600520
Eosphorite  (*)ChildreniteMn2+Al(PO4)(OH)2·H2O2642600128
Fairfieldite  (*)FairfielditeCa2Mn2+(PO4)2·2H2O264260072
Fluorapatite  (*)ApatiteCa5(PO4)3F26426002740
Frondelite  (*)Rockbridgeite(Mn2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)5264260052
Gahnite  (*)SpinelZnAl2O42642600445
Goyazite  (*)AluniteSrAl3(PO4)(PO3OH)(OH)62642600173
Hureaulite  (*)HureauliteMn2+5(PO3OH)2(PO4)2·4H2O2642600125
Hydroxylapatite  (*)ApatiteCa5(PO4)3OH2642600367
Hydroxylherderite  (*)GadoliniteCaBe(PO4)(OH)2642600119
Jahnsite-(MnMnMn)  (*)JahnsiteMn2+Mn2+Mn2+2Fe3+2(PO4)4(OH)2·8H2O26426006
Kastningite  (*)StewartiteMn2+Al2(PO4)2(OH)2·8H2O26426008
Landesite  (*)ReddingiteMn2+9Fe3+3(PO4)8(OH)3·9H2O264260014
Laueite  (*)LaueiteMn2+Fe3+2(PO4)2(OH)2·8H2O264260070
Leucophosphite  (*)LeucophosphiteKFe3+2(PO4)2(OH)·2H2O2642600110
Lithiophilite  (*)OlivineLiMn2+(PO4)2642600155
Löllingite  (*)LöllingiteFeAs22642600762
Ludlamite  (*)NoneFe2+3(PO4)2·4H2O264260066
Meta-autunite  (*)Meta-autuniteCa(UO2)2(PO4)2·6H2O2642600388
Metaswitzerite  (*)NoneMn2+3(PO4)2·4H2O264260022
Microcline  (*)FeldsparK(AlSi3O8)26426004924
Milarite  (*)MilariteKCa2(Be2AlSi12)O30·H2O2642600156
Mitridatite  (*)ArseniosideriteCa2Fe3+3O2(PO4)3·3H2O2642600129
Montebrasite  (*)NoneLiAl(PO4)(OH)2642600200
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O26426001508
Moraesite  (*)NoneBe2(PO4)(OH)·4H2O264260035
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2264260017380
Nontronite  (*)Clay Smectite-vermiculiteNa0.3Fe3+2(Si,Al)4O10(OH)2·nH2O2642600471
Perhamite  (*)PerhamiteCa3Al7.7Si3P4O23.5(OH)14.1·8H2O264260019
Phosphoferrite  (*)ReddingiteFe2+3(PO4)2·3H2O264260031
Phosphosiderite  (*)PhosphosideriteFe3+(PO4)·2H2O2642600182
Phosphuranylite  (*)PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4·8H2O2642600182
Pollucite  (*)AnalcimeCs(Si2Al)O6·nH2O2642600140
Purpurite  (*)OlivineMn3+(PO4)264260080
Quartz  (*)QuartzSiO2264260061156
Reddingite  (*)ReddingiteMn2+3(PO4)2·3H2O264260024
Rhodochrosite  (*)CalciteMn(CO3)26426001711
Robertsite  (*)ArseniosideriteCa2Mn3+3O2(PO4)3·3H2O264260036
Rockbridgeite  (*)Rockbridgeite(Fe2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)52642600206
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)26426002705
Scorodite  (*)NoneFe3+(AsO4)·2H2O26426001153
Siderite  (*)CalciteFe(CO3)26426006417
Spodumene  (*)PyroxeneLiAlSi2O62642600688
Stewartite  (*)StewartiteMn2+Fe3+2(PO4)2(OH)2·8H2O264260048
Strengite  (*)NoneFe3+(PO4)·2H2O2642600263
Strunzite  (*)StrunziteMn2+Fe3+2(PO4)2(OH)2·6H2O264260098
Tantalite-(Mn)  (*)ColumbiteMn2+Ta2O62642600211
Tantalowodginite  (*)Columbite(Mn,   )TaTa2O826426001
Todorokite  (*)None(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O2642600433
Uraninite  (*)FluoriteUO226426002718
Vivianite  (*)VivianiteFe2+3(PO4)2·8H2O2642600636
Wodginite  (*)ColumbiteMn2+Sn4+Ta2O8264260078
Zircon  (*)ZirconZr(SiO4)26426005251


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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