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| A | This mineral is Anthropogenic. |
| G | This mineral is directly dated. |
| B | This mineral is reported as having this age. |
| Y | This mineral is using an age reported as an element mineralization period. |
| O | This mineral is using an age calculated from all data at the locality. |
| R | The age displayed for this mineral originates from a different, non-child locality. |
| P | The 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. |
| Mineral name | Structural Groups | IMA Formula | Max Age (Ma) | Min Age (Ma) | # of Sublocalities containing mineral | LOCALITY IDs, not mindat ids | # of localities containing mineral |
|---|---|---|---|---|---|---|---|
| Albite (*) | Feldspar | Na(AlSi3O8) | 293 | 0 | 10 | 217422,217426,217427,217428,217430,217431,217432,217434,217435,217438 | 8803 |
| Almandine (*) | Garnet | Fe2+3Al2(SiO4)3 | 293 | 260 | 7 | 217425,217427,217430,217431,217432,217434,217438 | 2353 |
| Annite (*) | Mica Clay | KFe2+3(AlSi3O10)(OH)2 | 293 | 260 | 1 | 217432 | 356 |
| Arsenopyrite (*) | Arsenopyrite | FeAsS | 4 | 217425,217431,217434,217438 | 9052 | ||
| Augelite (*) | None | Al2(PO4)(OH)3 | 1 | 217434 | 79 | ||
| Autunite (*) | Autunite | Ca(UO2)2(PO4)2·10-12H2O | 293 | 260 | 2 | 217432,217434 | 1272 |
| Beraunite (*) | Beraunite | Fe3+6(PO4)4O(OH)4·6H2O | 293 | 260 | 2 | 217432,217434 | 136 |
| Bertrandite (*) | Not in a structural group | Be4Si2O7(OH)2 | 293 | 0 | 4 | 217431,217432,217434,217435 | 606 |
| Beryl (*) | Beryl | Be3Al2Si6O18 | 293 | 0 | 7 | 217427,217429,217430,217431,217432,217434,217435 | 4286 |
| Calcite (*) | Calcite | Ca(CO3) | 1 | 217434 | 27770 | ||
| Cassiterite (*) | Rutile | SnO2 | 293 | 260 | 2 | 217431,217432 | 5171 |
| Chalcopyrite (*) | Chalcopyrite | CuFeS2 | 1 | 217431 | 27198 | ||
| Chrysoberyl (*) | Olivine | BeAl2O4 | 2 | 217437,217438 | 321 | ||
| Columbite-(Fe) (*) | Columbite | Fe2+Nb2O6 | 267.94 | 0 | 4 | 217427,217431,217434,217435 | 518 |
| Columbite-(Mn) (*) | Columbite | Mn2+Nb2O6 | 293 | 260 | 2 | 217431,217432 | 289 |
| Cookeite (*) | Chlorite Clay | (Al,Li)3Al2(Si,Al)4O10(OH)8 | 293 | 260 | 3 | 217431,217432,217434 | 181 |
| Crandallite (*) | Alunite | CaAl3(PO4)(PO3OH)(OH)6 | 293 | 260 | 1 | 217432 | 310 |
| Diadochite (*) | Amorphous | Fe3+2(PO4)(SO4)(OH)·6H2O | 1 | 217434 | 81 | ||
| Diopside (*) | Pyroxene | CaMgSi2O6 | 1 | 217431 | 4135 | ||
| Dumortierite (*) | Dumortierite | AlAl6BSi3O18 | 3 | 217422,217427,217428 | 231 | ||
| Earlshannonite (*) | Arthurite | Mn2+Fe3+2(PO4)2(OH)2·4H2O | 1 | 217434 | 12 | ||
| Elbaite (*) | Tourmaline | Na(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH) | 293 | 260 | 3 | 217431,217432,217434 | 520 |
| Eosphorite (*) | Childrenite | Mn2+Al(PO4)(OH)2·H2O | 293 | 260 | 3 | 217431,217432,217434 | 128 |
| Fairfieldite (*) | Fairfieldite | Ca2Mn2+(PO4)2·2H2O | 293 | 260 | 2 | 217432,217434 | 72 |
| Fluorapatite (*) | Apatite | Ca5(PO4)3F | 293 | 260 | 6 | 217424,217427,217430,217431,217432,217434 | 2740 |
| Foitite (*) | Tourmaline | (Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3(OH) | 293 | 260 | 1 | 217432 | 75 |
| Glucine (*) | None | CaBe4(PO4)2(OH)4·0.5H2O | 293 | 293 | 1 | 217432 | 2 |
| Goethite (*) | Diaspore | FeO(OH) | 293 | 260 | 2 | 217431,217432 | 7437 |
| Goyazite (*) | Alunite | SrAl3(PO4)(PO3OH)(OH)6 | 293 | 260 | 1 | 217432 | 173 |
| Graphite (*) | None | C | 293 | 260 | 2 | 217423,217432 | 2812 |
| Greifensteinite (*) | Roscherite | Ca2Be4Fe2+5(PO4)6(OH)4·6H2O | 293 | 293 | 1 | 217432 | 27 |
| Grossular (*) | Garnet | Ca3Al2(SiO4)3 | 1 | 217431 | 1544 | ||
| Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 1 | 217434 | 6890 | ||
| Halloysite-7Å (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 293 | 260 | 1 | 217432 | 52 |
| Hematite (*) | Corundum | Fe2O3 | 293 | 260 | 1 | 217432 | 14640 |
| Heterosite (*) | Olivine | Fe3+(PO4) | 293 | 260 | 3 | 217431,217432,217434 | 204 |
| Hureaulite (*) | Hureaulite | Mn2+5(PO3OH)2(PO4)2·4H2O | 293 | 260 | 2 | 217432,217434 | 125 |
| Hydroxylapatite (*) | Apatite | Ca5(PO4)3OH | 293 | 260 | 2 | 217432,217434 | 367 |
| Hydroxylherderite (*) | Gadolinite | CaBe(PO4)(OH) | 1 | 217434 | 119 | ||
| Jahnsite-(CaMnFe) (*) | Jahnsite | CaMn2+Fe2+2Fe3+2(PO4)4(OH)2·8H2O | 1 | 217434 | 27 | ||
| Jahnsite-(CaMnMn) (*) | Jahnsite | CaMn2+Mn2+2Fe3+2(PO4)4(OH)2·8H2O | 293 | 260 | 1 | 217432 | 18 |
| Kaolinite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 293 | 260 | 2 | 217431,217432 | 5591 |
| Kosnarite (*) | None | KZr2(PO4)3 | 293 | 260 | 1 | 217432 | 7 |
| Laueite (*) | Laueite | Mn2+Fe3+2(PO4)2(OH)2·8H2O | 293 | 260 | 2 | 217432,217434 | 70 |
| Löllingite (*) | Löllingite | FeAs2 | 293 | 260 | 3 | 217431,217432,217434 | 762 |
| Ludlamite (*) | None | Fe2+3(PO4)2·4H2O | 1 | 217434 | 66 | ||
| Malachite (*) | Malachite | Cu2(CO3)(OH)2 | 1 | 217431 | 12537 | ||
| Mccrillisite (*) | None | NaCs(Be,Li)Zr2(PO4)4·1-2H2O | 293 | 293 | 1 | 217432 | 1 |
| Messelite (*) | Fairfieldite | Ca2Fe2+(PO4)2·2H2O | 1 | 217434 | 43 | ||
| Meta-autunite (*) | Meta-autunite | Ca(UO2)2(PO4)2·6H2O | 293 | 260 | 1 | 217432 | 388 |
| Metatorbernite (*) | None | Cu(UO2)2(PO4)2·8H2O | 293 | 260 | 1 | 217432 | 443 |
| Metauranospinite (*) | None | Ca(UO2)2(AsO4)2·8H2O | 1 | 217431 | 14 | ||
| Microcline (*) | Feldspar | K(AlSi3O8) | 293 | 0 | 17 | 217421,217422,217424,217425,217426,217427,217428,217429,217430,217431,217432,217433,217434,217435,217436,217437,217438 | 4924 |
| Mitridatite (*) | Arseniosiderite | Ca2Fe3+3O2(PO4)3·3H2O | 293 | 260 | 2 | 217432,217434 | 129 |
| Monazite-(Ce) (*) | Monazite | Ce(PO4) | 293 | 260 | 1 | 217432 | 945 |
| Montebrasite (*) | None | LiAl(PO4)(OH) | 293 | 260 | 3 | 217431,217432,217434 | 200 |
| Montmorillonite (*) | Clay Smectite-vermiculite | (Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O | 293 | 260 | 2 | 217431,217432 | 1508 |
| Moraesite (*) | None | Be2(PO4)(OH)·4H2O | 293 | 293 | 1 | 217432 | 35 |
| Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 267.94 | 257.94 | 18 | 217421,217422,217423,217424,217425,217426,217427,217428,217429,217430,217431,217432,217433,217434,217435,217436,217437,217438 | 17380 |
| Opal (*) | Amorphous | SiO2·nH2O | 293 | 260 | 2 | 217432,217434 | 2994 |
| Petalite (*) | Not in a structural group | LiAlSi4O10 | 293 | 260 | 2 | 217431,217432 | 124 |
| Pharmacosiderite (*) | Pharmacosiderite | KFe3+4(AsO4)3(OH)4·6-7H2O | 1 | 217431 | 428 | ||
| Phosphophyllite (*) | Phosphophyllite | Zn2Fe2+(PO4)2·4H2O | 1 | 217434 | 29 | ||
| Phosphosiderite (*) | Phosphosiderite | Fe3+(PO4)·2H2O | 293 | 260 | 2 | 217432,217434 | 182 |
| Phosphuranylite (*) | Phosphuranylite | KCa(H3O)3(UO2)7(PO4)4O4·8H2O | 293 | 260 | 1 | 217432 | 182 |
| Pollucite (*) | Analcime | Cs(Si2Al)O6·nH2O | 293 | 260 | 2 | 217431,217432 | 140 |
| Pyrite (*) | Pyrite | FeS2 | 293 | 260 | 4 | 217423,217431,217432,217434 | 39462 |
| Pyrrhotite (*) | Nickeline | Fe7S8 | 1 | 217434 | 9056 | ||
| Quartz (*) | Quartz | SiO2 | 293 | 0 | 18 | 217421,217422,217423,217424,217425,217426,217427,217428,217429,217430,217431,217432,217433,217434,217435,217436,217437,217438 | 61156 |
| Realgar (*) | None | AsS | 1 | 217434 | 712 | ||
| Rhodochrosite (*) | Calcite | Mn(CO3) | 293 | 260 | 2 | 217431,217432 | 1711 |
| Rockbridgeite (*) | Rockbridgeite | (Fe2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)5 | 1 | 217434 | 206 | ||
| Rossmanite (*) | Tourmaline | (Al2Li)Al6(Si6O18)(BO3)3(OH)3(OH) | 293 | 260 | 1 | 217432 | 37 |
| Rutile (*) | Rutile | TiO2 | 293 | 260 | 1 | 217432 | 5614 |
| Schorl (*) | Tourmaline | NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) | 293 | 0 | 8 | 217425,217427,217430,217431,217432,217434,217435,217438 | 2705 |
| Scorodite (*) | None | Fe3+(AsO4)·2H2O | 293 | 260 | 2 | 217432,217434 | 1153 |
| Siderite (*) | Calcite | Fe(CO3) | 293 | 260 | 3 | 217431,217432,217434 | 6417 |
| Sphalerite (*) | Sphalerite | ZnS | 293 | 260 | 3 | 217431,217432,217434 | 21482 |
| Spodumene (*) | Pyroxene | LiAlSi2O6 | 293 | 260 | 2 | 217431,217432 | 688 |
| Stewartite (*) | Stewartite | Mn2+Fe3+2(PO4)2(OH)2·8H2O | 293 | 260 | 2 | 217432,217434 | 48 |
| Strunzite (*) | Strunzite | Mn2+Fe3+2(PO4)2(OH)2·6H2O | 293 | 260 | 2 | 217432,217434 | 98 |
| Switzerite (*) | None | Mn2+3(PO4)2·7H2O | 1 | 217434 | 21 | ||
| Torbernite (*) | None | Cu(UO2)2(PO4)2·12H2O | 293 | 260 | 1 | 217432 | 1059 |
| Triphylite (*) | Olivine | LiFe2+(PO4) | 293 | 260 | 3 | 217431,217432,217434 | 313 |
| Uraninite (*) | Fluorite | UO2 | 293 | 260 | 3 | 217431,217432,217434 | 2718 |
| Vesuvianite (*) | Vesuvianite | (Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)10 | 1 | 217431 | 1395 | ||
| Vivianite (*) | Vivianite | Fe2+3(PO4)2·8H2O | 1 | 217434 | 636 | ||
| Walentaite (*) | Walentaite | [Mn(H2O)6][ As3+3Fe3+3(PO4)2O7] | 1 | 217431 | 6 | ||
| Whitmoreite (*) | Arthurite | Fe2+Fe3+2(PO4)2(OH)2·4H2O | 1 | 217434 | 36 | ||
| Xanthoxenite (*) | None | Ca4Fe3+2(PO4)4(OH)2·3H2O | 1 | 217434 | 29 | ||
| Xenotime-(Y) (*) | Zircon | Y(PO4) | 293 | 260 | 1 | 217432 | 939 |
| Zircon (*) | Zircon | Zr(SiO4) | 293 | 260 | 4 | 217426,217431,217432,217434 | 5251 |
| Excel ID | Max Age (Ma) | Min Age (Ma) | Age as listed in reference | Dating Method | Age Interpret | Prioritized? | Sample Source | Sample Num | Run Num | Age from other Locality | Dated Mineral | Minerals explicitely stated as having this age | Age applies to these Elements | MinDat Locality ID | Dated Locality (Max Age) | Location as listed in reference | Reference | Reference DOI | Reference ID | Age Notes | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Be-00026 | 293 | 293 | 293 | high | Yes | Gainesite | Be | 5940 | Nevel Quarry (Twin Tunnels; United Feldspar Quarry), Newry, Oxford Co., Maine, USA | Wise and Brown (2010) | 10.3190/jgeosci.061 | JG55_3 | |||||||||
| Alexandra-0187 | 264 | 260 | 264–260 | Ar-Ar | Age of pegmatite | muscovite | 11Dw304a, 11Dw305a | Muscovite | 3784 | Mount Mica Quarry (Mount Mica Mine), Paris, Oxford Co., Maine, USA | Mount Mica | Bradley et al. (2016) | 10.3749/canmin.1600035 | CM54_945 | |||||||
| Be-00022 | 293 | 293 | 293 | high | Mccrillisite | Be | 3784 | Mount Mica Quarry (Mount Mica Mine), Paris, Oxford Co., Maine, USA | Wise and Brown (2010) | 10.3190/jgeosci.061 | JG55_3 | ||||||||||
| Grew_Li_2019_0068 | 262 | 262 | 262 | Mccrillisite | 3784 | Mount Mica Quarry (Mount Mica Mine), Paris, Oxford Co., Maine, USA | Mount Mica quarry, South Paris, Oxford County, Maine, U.S.A. | Bradley et al. (2016) | 10.3749/canmin.1600035 | CM54_945 | |||||||||||
| USGS-Rb-Sr-00964 | 5 | 0 | 0±5 | Rb-Sr | initial age disturbed by later metamorphism | biotite | 3805 | Slattery Quarry, Paris, Oxford Co., Maine, USA | USGS-Rb-Sr | USGS-Rb-Sr | |||||||||||
| USGS-Rb-Sr-00965 | 267.94 | 257.94 | 262.94±5 | Rb-Sr | age of intrusion | muscovite | Muscovite | 3805 | Slattery Quarry, Paris, Oxford Co., Maine, USA | USGS-Rb-Sr | USGS-Rb-Sr |
| Sample | Source Locality | Reference URL |
|---|---|---|
| R060890 | Mount Marie Quarries, Paris, Oxford Co., Maine, USA | https://rruff.info/R060890 |
All locality data graciously provided by mindat.org
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