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 Aegirine-augite (*) Pyroxene (Ca,Na)(Fe3+ ,Mg,Fe2+ )Si2 O6 0.4 0.095 0 286 Afghanite (*) Cancrinite-sodalite (Na,K)22 Ca10 (Si24 Al24 )O96 (SO4 )6 Cl6 1 0.236 4 69316 ,69319 ,69320 ,69322 25 Allanite-(Ce) (*) Allanite Epidote CaCe(Al2 Fe2+ )[Si2 O7 ][SiO4 ]O(OH) 0.4 0.095 0 706 Analcime (*) Analcime Na(AlSi2 O6 )·H2 O 0.4 0.095 0 1627 Anatase (*) Not in a structural group TiO2 1 0.236 1 69320 2162 Andradite (*) Garnet Ca3 Fe3+ 2 (SiO4 )3 1 0.236 1 69317 1534 Anorthite (*) Feldspar Ca(Al2 Si2 O8 ) 0.4 0.095 0 1036 Asbecasite (*) Not in a structural group Ca3 TiAs6 Be2 Si2 O20 0.4 0.4 1 69322 8 Augite (*) Pyroxene (Ca,Mg,Fe)2 Si2 O6 1 0.236 4 69318 ,69320 ,69321 ,69322 2060 Baddeleyite (*) Baddeleyite ZrO2 1 0.236 2 69319 ,69322 238 Baryte (*) Baryte Ba(SO4 ) 1 0.236 1 69321 11547 Britholite-(Ce) (*) Apatite (Ce,Ca)5 (SiO4 )3 (OH) 1 0.236 2 69318 ,69322 115 Calcite (*) Calcite Ca(CO3 ) 1 0.236 2 69321 ,69322 27770 Cancrinite (*) Cancrinite (Na,Ca, )8 (Al6 Si6 )O24 (CO3 ,SO4 )2 ·2H2 O 1 0.236 1 69320 232 Ciprianiite (*) Hellandite Ca4 (ThCa)Al(Be0.5 1.5 )Σ2 [B4 Si4 O22 ](OH)2 0.4 0.4 1 69322 2 Clinohumite (*) Humite Mg9 (SiO4 )4 F2 0.4 0.095 0 236 Corundum (*) Corundum Al2 O3 0.4 0.095 0 1797 Cristobalite (*) Cristobalite SiO2 1 0.236 1 69320 453 Cryptomelane (*) Coronadite K(Mn4+ 7 Mn3+ )O16 0.4 0.4 1 69322 599 Danburite (*) Danburite CaB2 Si2 O8 1 0.236 2 69316 ,69322 148 Davyne (*) Cancrinite Cancrinite-sodalite [(Na,K)6 (SO4 )0.5 Cl][Ca2 Cl2 ][(Si6 Al6 O24 )] 0.4 0.4 1 69322 17 Diopside (*) Pyroxene CaMgSi2 O6 1 0.236 1 69320 4135 Ekanite (*) Amorphous Ca2 ThSi8 O20 0.4 0.095 0 16 Epidote (*) Epidote Clinozoisite Ca2 (Al2 Fe3+ )[Si2 O7 ][SiO4 ]O(OH) 0.4 0.095 0 8173 Ferrierite-Mg (*) Ferrierite [Mg2 (K,Na)2 Ca0.5 ](Si29 Al7 )O72 ·18H2 O 1 0.236 1 69321 34 Ferro-hornblende (*) Amphibole Ca2 (Fe2+ 4 Al)(Si7 Al)O22 (OH)2 0.4 0.095 0 271 Fluorapatite (*) Apatite Ca5 (PO4 )3 F 1 0.236 1 69318 2740 Fluorite (*) Fluorite CaF2 1 0.236 3 69318 ,69320 ,69322 9617 Forsterite (*) Olivine Mg2 (SiO4 ) 0.4 0.095 0 1188 Gadolinite-(Y) (*) Gadolinite Y2 Fe2+ Be2 O2 (SiO4 )2 0.4 0.4 0 163 Goethite (*) Diaspore FeO(OH) 0.4 0.095 0 7437 Grossular (*) Garnet Ca3 Al2 (SiO4 )3 0.4 0.095 0 1544 Gypsum (*) Gypsum Ca(SO4 )·2H2 O 0.4 0.095 0 6890 Haüyne (*) Sodalite Cancrinite-sodalite Na3 Ca(Si3 Al3 )O12 (SO4 ) 0.4 0.095 0 158 Hellandite-(Ce) (*) Hellandite (Ca,REE)4 Ce2 Al 2 (B4 Si4 O22 )(OH)2 1 0.236 2 69320 ,69322 8 Helvine (*) Sodalite Cancrinite-sodalite Be3 Mn2+ 4 (SiO4 )3 S 0.4 0.4 0 237 Hematite (*) Corundum Fe2 O3 1 0.236 4 69316 ,69317 ,69318 ,69320 14640 Hercynite (*) Spinel Fe2+ Al2 O4 1 0.236 1 69317 407 Homilite (*) Gadolinite Ca2 Fe2+ B2 Si2 O10 0.4 0.4 1 69322 8 Hydroxylapatite (*) Apatite Ca5 (PO4 )3 OH 0.4 0.4 1 69322 367 Leucite (*) Analcime K(AlSi2 O6 ) 0.095 0.095 0 233 Magnesio-hastingsite (*) Amphibole NaCa2 (Mg4 Fe3+ )(Si6 Al2 )O22 (OH)2 1 0.236 1 69319 80 Magnetite (*) Spinel Fe2+ Fe3+ 2 O4 1 0.236 6 69316 ,69317 ,69318 ,69319 ,69320 ,69322 14899 Molybdenite (*) Molybdenite MoS2 0.4 0.095 0 5800 Monazite-(Ce) (*) Monazite Ce(PO4 ) 1 0.236 1 69318 945 Mottanaite-(Ce) (*) Hellandite Ca4 Ce2 Al(Be1.5 0.5 )Σ2 [B4 Si4 O22 ]O2 0.4 0.4 1 69322 2 Muscovite (*) Mica Clay KAl2 (Si3 Al)O10 (OH)2 0.4 0.4 1 69322 17380 Nepheline (*) Tridymite Na3 K(Al4 Si4 O16 ) 1 0.236 1 69320 884 Nosean (*) Sodalite Cancrinite-sodalite Na8 (Si6 Al6 )O24 (SO4 )·H2 O 1 0.236 3 69320 ,69322 ,69323 75 Osumilite-(Mg) (*) Milarite KMg2 Al3 (Al2 Si10 )O30 1 0.236 2 69317 ,69320 42 Peprossiite-(Ce) (*) None (Ce,La)(Al3 O)2/3 B4 O10 1 0.236 1 69318 3 Perovskite (*) Perovskite CaTiO3 0.4 0.095 0 495 Phillipsite-K (*) Harmotome K6 (Si10 Al6 )O32 ·12H2 O 0.4 0.4 1 69322 71 Phlogopite (*) Mica Clay KMg3 (AlSi3 O10 )(OH)2 1 0.236 4 69316 ,69317 ,69320 ,69322 2273 Piergorite-(Ce) (*) None Ca8 Ce2 AlLiSi6 B8 O36 (OH)2 1 0.236 2 69318 ,69322 2 Pitiglianoite (*) Cancrinite Cancrinite-sodalite K2 Na6 (Si6 Al6 )O24 (SO4 )·2H2 O 0.4 0.4 1 69322 6 Pollucite (*) Analcime Cs(Si2 Al)O6 ·nH2 O 1 0.236 2 69320 ,69322 140 Pseudobrookite (*) Pseudobrookite (Fe3+ 2 Ti)O5 1 0.236 2 69317 ,69320 164 Pyrite (*) Pyrite FeS2 0.4 0.095 0 39462 Pyrope (*) Garnet Mg3 Al2 (SiO4 )3 0.4 0.095 0 341 Quartz (*) Quartz SiO2 1 0.236 1 69321 61156 Rutile (*) Rutile TiO2 1 0.236 3 69319 ,69320 ,69322 5614 Sanidine (*) Feldspar K(AlSi3 O8 ) 1 0.236 5 69316 ,69317 ,69318 ,69320 ,69322 598 Scheelite (*) Scheelite Ca(WO4 ) 0.4 0.095 0 4894 Siderite (*) Calcite Fe(CO3 ) 1 0.236 2 69320 ,69321 6417 Sodalite (*) Cancrinite-sodalite Sodalite Na4 (Si3 Al3 )O12 Cl 1 0.236 4 69318 ,69319 ,69320 ,69322 444 Spinel (*) Spinel MgAl2 O4 0.4 0.095 0 1934 Stillwellite-(Ce) (*) None CeBSiO5 1 0.236 2 69316 ,69322 19 Stoppaniite (*) Beryl Fe3+ 2 Be3 Si6 O18 ·H2 O 0.4 0.4 0 2 Tadzhikite-(Ce) (*) Hellandite Ca4 Ce2 Ti (B4 Si4 O22 )(OH)2 1 0.236 2 69319 ,69322 14 Thorianite (*) Fluorite ThO2 1 0.236 3 69319 ,69320 ,69322 236 Thorite (*) Zircon Th(SiO4 ) 1 0.236 3 69318 ,69320 ,69322 1006 Titanite (*) Titanite CaTi(SiO4 )O 1 0.236 6 69316 ,69317 ,69318 ,69319 ,69320 ,69322 4899 Tridymite (*) Tridymite SiO2 1 0.236 2 69317 ,69320 458 Tuscanite (*) None KCa6 (Si,Al)10 O22 (SO4 ,CO3 )2 (OH)·H2 O 0.4 0.4 1 69322 10 Uraninite (*) Fluorite UO2 1 0.236 2 69319 ,69322 2718 Vesuvianite (*) Vesuvianite (Ca,Na)19 (Al,Mg,Fe)13 (SiO4 )10 (Si2 O7 )4 (OH,F,O)10 0.4 0.095 0 1395 Vicanite-(Ce) (*) Okanoganite (Ca,Ce,La,Th)15 As5+ (As3+ ,Na)0.5 Fe3+ 0.7 Si6 B4 (O,F)47 1 0.236 4 69316 ,69319 ,69320 ,69322 6 Vishnevite (*) Cancrinite-sodalite Cancrinite Na8 (Al6 Si6 )O24 (SO4 )·2H2 O 0.4 0.4 1 69322 21 Vonsenite (*) Ludwigite Fe2+ 2 Fe3+ O2 (BO3 ) 1 0.236 4 69318 ,69319 ,69320 ,69322 62 Zircon (*) Zircon Zr(SiO4 ) 1 0.236 3 69318 ,69320 ,69322 5251 Zirconolite (*) Zirconolite (Ca,Y)Zr(Ti,Mg,Al)2 O7 1 0.236 5 69316 ,69318 ,69319 ,69320 ,69322 140
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 Edit Michelle_0149 0.292 0.236 0.264±0.028 K-Ar Age of trachyte sanidine 10 Yes Sanidine 5749 Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, Italy Poggio Cavaliere Fornaseri (1985) RDSIMF40_73 Age of trachyte Edit Michelle_0150_c 0.46 0.38 0.420±0.04 K-Ar Age of Ignimbrite C of Locardi sanidine VS47C Yes Sanidine 5749 Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, Italy La Rocca Fornaseri (1985) RDSIMF40_73 Age of Ignimbrite C of Locardi Edit Michelle_0151 0.64 0.4 0.520±0.12 K-Ar sanidine 9 Yes Sanidine 5749 Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, Italy C.le Umilta Fornaseri (1985) RDSIMF40_73 Edit Michelle_0152 0.86 0.42 0.640±0.22 K-Ar sanidine 8 Yes Sanidine 5749 Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, Italy C.le Servelli Fornaseri (1985) RDSIMF40_73 Edit Michelle_0153 0.91 0.49 0.700±0.21 K-Ar Age of lc-phonolite sanidine 7 Yes Sanidine 5749 Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, Italy San Rocco Fornaseri (1985) RDSIMF40_73 Age of lc-phonolite Edit Michelle_0154 1 0.64 0.820±0.18 K-Ar Age of tephritic lc-phonolite sanidine 6 Yes Sanidine 5749 Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, Italy San Martino Fornaseri (1985) RDSIMF40_73 Age of tephritic lc-phonolite Edit Be-00010 0.4 0.4 0.4 high Stoppaniite Be 2081 Vetralla, Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, Italy Fornaseri (1985) RDSIMF40_73 Edit Michelle_0148 0.095 0.095 0.095 K-Ar Age of leucitic lava leucite KA853 Leucite 2081 Vetralla, Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, Italy Vetralla Fornaseri (1985) RDSIMF40_73 Age of leucitic lava Edit Grew_Li_2019_0086 0.4 0.4 0.4 Piergorite-(Ce) 2080 Tre Croci, Vetralla, Vico Volcanic Complex (Vico Lake), Viterbo Province, Lazio, Italy Tre Croci, Vico volcanic complex, Viterbo Province, Latium, Italy Fornaseri (1985) RSIMP40_73
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