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 Actinolite (*) Amphibole Ca2 (Mg4.5-2.5 Fe2+ 0.5-2.5 )Si8 O22 (OH)2 1 69571 3419 Aegirine (*) Pyroxene NaFe3+ Si2 O6 201 23 2 69595 ,69608 1022 Albite (*) Feldspar Na(AlSi3 O8 ) 201 23 7 69555 ,69560 ,69571 ,69572 ,69577 ,69587 ,69608 8803 Allophane (*) Allophane Al2 O3 (SiO2 )1.3-2.0 ·2.5-3.0H2 O 1 69595 470 Almandine (*) Garnet Fe2+ 3 Al2 (SiO4 )3 201 23 1 69608 2353 Alpeite (*) Ardennite Ca4 Mn3+ 2 Al2 (Mn3+ Mg)(SiO4 )2 (Si3 O10 )(VO4 )(OH)6 1 69583 2 Amesite (*) Clay Serpentine Mg2 Al(AlSiO5 )(OH)4 1 69566 74 Analcime (*) Analcime Na(AlSi2 O6 )·H2 O 2 69572 ,69597 1627 Anatase (*) Not in a structural group TiO2 201 23 10 69546 ,69559 ,69582 ,69583 ,69584 ,69586 ,69595 ,69603 ,69608 ,69610 2162 Andalusite (*) Andalusite Al2 SiO5 1 69579 1310 Andradite (*) Garnet Ca3 Fe3+ 2 (SiO4 )3 201 23 2 69595 ,69608 1534 Ankerite (*) None Ca(Fe2+ ,Mg)(CO3 )2 201 23 1 69608 3092 Aragonite (*) Aragonite Ca(CO3 ) 201 23 7 69545 ,69553 ,69554 ,69556 ,69571 ,69595 ,69608 3250 Ardennite-(As) (*) Ardennite Mn2+ 4 Al4 (AlMg)(AsO4 )(SiO4 )2 (Si3 O10 )(OH)6 1 69583 34 Arseniosiderite (*) Arseniosiderite Ca2 Fe3+ 3 O2 (AsO4 )3 ·3H2 O 1 69595 194 Artinite (*) Artinite Mg2 (CO3 )(OH)2 ·3H2 O 2 69553 ,69556 75 Aurichalcite (*) None (Zn,Cu)5 (CO3 )2 (OH)6 1 69574 919 Axinite-(Mn) (*) Axinite Ca4 Mn2+ 2 Al4 [B2 Si8 O30 ](OH)2 1 69583 88 Azurite (*) Not in a structural group Cu3 (CO3 )2 (OH)2 3 69576 ,69593 ,69595 5509 Balestraite (*) Mica KLi2 V5+ Si4 O12 80 80 1 69608 1 Bannisterite (*) Stilpnomelane Clay (Ca,K,Na)(Mn2+ ,Fe2+ )10 (Si,Al)16 O38 (OH)8 ·nH2 O 1 69583 20 Baryte (*) Baryte Ba(SO4 ) 201 23 3 69574 ,69595 ,69608 11547 Bixbyite (*) Bixbyite Mn3+ 2 O3 1 69568 104 Bornite (*) None Cu5 FeS4 201 23 5 69570 ,69572 ,69588 ,69589 ,69608 5516 Brandtite (*) Roselite Ca2 Mn2+ (AsO4 )2 ·2H2 O 1 69595 18 Braunite (*) Braunite Mn2+ Mn3+ 6 O8 (SiO4 ) 201 23 6 69543 ,69549 ,69568 ,69583 ,69595 ,69608 483 Brewsterite-Ba (*) Brewsterite Ba(Al2 Si6 )O16 ·5H2 O 201 23 1 69608 9 Brookite (*) Brookite TiO2 201 23 5 69546 ,69582 ,69601 ,69603 ,69608 700 Brucite (*) Brucite Mg(OH)2 4 69545 ,69553 ,69554 ,69556 462 Brushite (*) Gypsum Ca(PO3 OH)·2H2 O 1 69595 104 Cabalzarite (*) Natrochalcite CaMg2 (AsO4 )2 ·2H2 O 1 69595 4 Calcite (*) Calcite Ca(CO3 ) 201 23 17 69542 ,69546 ,69553 ,69554 ,69556 ,69571 ,69572 ,69574 ,69579 ,69583 ,69593 ,69595 ,69597 ,69602 ,69605 ,69608 ,69609 27770 Caoxite (*) Oxalate Ca(C2 O4 )·3H2 O 201 23 1 69608 1 Caryopilite (*) Clay Serpentine Mn2+ 3 Si2 O5 (OH)4 201 23 2 69583 ,69608 83 Castellaroite (*) Not in a structural group Mn2+ 3 (AsO4 )2 ·4.5H2 O 1 69595 2 Celadonite (*) Mica Clay KMgFe3+ Si4 O10 (OH)2 201 23 1 69608 309 Celsian (*) Feldspar Ba(Al2 Si2 O8 ) 1 69597 100 Cerchiaraite-(Fe) (*) Cerchiaraite Ba4 Fe3+ 4 (Si4 O12 )O2 (OH)4 Cl2 [Si2 O3 (OH)4 ] 80 80 1 69608 6 Cerchiaraite-(Mn) (*) Cerchiaraite Ba4 Mn3+ 4 (Si4 O12 )O2 (OH)4 Cl2 [Si2 O3 (OH)4 ] 201 23 1 69608 2 Cerussite (*) Aragonite Pb(CO3 ) 1 69574 4979 Chabazite-Ca (*) Chabazite Ca2 [Al4 Si8 O24 ]·13H2 O 1 69577 310 Chalcocite (*) None Cu2 S 2 69583 ,69595 5707 Chalcophyllite (*) Chalcophyllite Cu18 Al2 (AsO4 )4 (SO4 )3 (OH)24 ·36H2 O 1 69595 194 Chalcopyrite (*) Chalcopyrite CuFeS2 201 23 14 69549 ,69557 ,69566 ,69570 ,69572 ,69576 ,69578 ,69582 ,69583 ,69588 ,69589 ,69595 ,69608 ,69609 27198 Chamosite (*) Chlorite Clay (Fe2+ ,Mg,Al,Fe3+ )6 (Si,Al)4 O10 (OH,O)8 201 23 1 69608 577 Chernovite-(Y) (*) Zircon Y(AsO4 ) 1 69583 46 Chromite (*) Spinel Fe2+ Cr2 O4 7 69553 ,69561 ,69562 ,69565 ,69566 ,69599 ,69605 3902 Chrysocolla (*) Allophane (Cu2-x Alx )H2-x Si2 O5 (OH)4 ·nH2 O 201 23 3 69582 ,69595 ,69608 3531 Chrysotile (*) Serpentine Clay Mg3 Si2 O5 (OH)4 201 23 8 69545 ,69553 ,69565 ,69566 ,69589 ,69595 ,69597 ,69608 951 Cinnabar (*) None HgS 1 69583 2600 Clinochlore (*) Chlorite Clay Mg5 Al(AlSi3 O10 )(OH)8 201 23 3 69553 ,69572 ,69608 1756 Connellite (*) Connellite Cu36 (SO4 )(OH)62 Cl8 ·6H2 O 1 69595 295 Copper (*) Copper Cu 2 69583 ,69595 3846 Coralloite (*) Arthurite Mn2+ Mn3+ 2 (AsO4 )2 (OH)2 ·4H2 O 1 69595 4 Cornubite (*) None Cu5 (AsO4 )2 (OH)4 1 69595 109 Cornwallite (*) None Cu5 (AsO4 )2 (OH)4 1 69595 175 Crednerite (*) None CuMnO2 1 69595 35 Cryptomelane (*) Coronadite K(Mn4+ 7 Mn3+ )O16 201 23 1 69608 599 Cuprite (*) Not in a structural group Cu2 O 4 69576 ,69582 ,69583 ,69595 2970 Datolite (*) Gadolinite CaB(SiO4 )(OH) 4 69559 ,69570 ,69577 ,69597 498 Demagistrisite (*) Not in a structural group BaCa2 Mn3+ 4 (Si3 O10 )(Si2 O7 )(OH)4 ·3H2 O 201 23 1 69608 1 Diaspore (*) Diaspore AlO(OH) 1 69566 481 Diopside (*) Pyroxene CaMgSi2 O6 201 23 11 69553 ,69558 ,69559 ,69564 ,69570 ,69576 ,69577 ,69596 ,69597 ,69605 ,69608 4135 Djurleite (*) None Cu31 S16 201 23 2 69595 ,69608 300 Domeykite (*) Domeykite Cu3 As 1 69595 73 Dravite (*) Tourmaline NaMg3 Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 201 23 1 69608 648 Epidote (*) Epidote Clinozoisite Ca2 (Al2 Fe3+ )[Si2 O7 ][SiO4 ]O(OH) 201 23 6 69560 ,69566 ,69579 ,69583 ,69597 ,69608 8173 Erythrite (*) Vivianite Co3 (AsO4 )2 ·8H2 O 1 69551 814 Ferroceladonite (*) Mica KFe2+ Fe3+ Si4 O10 (OH)2 201 23 1 69608 10 Fluorapophyllite-(K) (*) Apophyllite KCa4 Si8 O20 F·8H2 O 201 23 1 69608 303 Gageite (*) None Mn2+ 21 Si8 O27 (OH)20 1 69595 14 Galena (*) Rocksalt PbS 1 69574 24243 Gamagarite (*) Brackebuschite Ba2 Fe3+ (VO4 )2 (OH) 201 23 2 69583 ,69608 10 Ganophyllite (*) Clay (K,Na)x Mn2+ 6 (Si,Al)10 O24 (OH)4 ·nH2 O (x = 1-2; n = 7-11) 201 23 2 69583 ,69608 45 Geigerite (*) Lindackerite Mn2+ 5 (AsO4 )2 (AsO3 OH)2 ·10H2 O 1 69595 7 Goethite (*) Diaspore FeO(OH) 2 69574 ,69595 7437 Graphite (*) None C 201 23 1 69608 2812 Greenockite (*) Wurtzite CdS 1 69551 717 Groutite (*) Diaspore Mn3+ O(OH) 201 23 1 69608 72 Gypsum (*) Gypsum Ca(SO4 )·2H2 O 2 69583 ,69595 6890 Harmotome (*) Harmotome Ba2 (Si12 Al4 )O32 ·12H2 O 201 23 1 69608 290 Hausmannite (*) Spinel Mn2+ Mn3+ 2 O4 201 23 2 69595 ,69608 350 Hematite (*) Corundum Fe2 O3 201 23 9 69541 ,69542 ,69543 ,69568 ,69571 ,69582 ,69583 ,69595 ,69608 14640 Hemimorphite (*) Not in a structural group Zn4 (Si2 O7 )(OH)2 ·H2 O 1 69574 1689 Hercynite (*) Spinel Fe2+ Al2 O4 1 69579 407 Heulandite-Ca (*) Heulandite (Ca,Na,K)5 (Si27 Al9 )O72 ·26H2 O 1 69577 246 Hollandite (*) Coronadite Ba(Mn4+ 6 Mn3+ 2 )O16 201 23 2 69568 ,69608 243 Huntite (*) Not in a structural group CaMg3 (CO3 )4 201 23 1 69608 69 Hydromagnesite (*) None Mg5 (CO3 )4 (OH)2 ·4H2 O 4 69553 ,69554 ,69556 ,69558 341 Hydroxyapophyllite-(K) (*) Apophyllite KCa4 Si8 O20 (OH,F)·8H2 O 201 23 1 69608 85 Ice (*) Amorphous Tridymite H2 O 1 69595 59 Ilmenite (*) Corundum Fe2+ Ti4+ O3 201 23 1 69608 5433 Inesite (*) None Ca2 Mn2+ 7 Si10 O28 (OH)2 ·5H2 O 1 69595 50 Johannsenite (*) Pyroxene CaMnSi2 O6 1 69595 73 Kutnohorite (*) None CaMn2+ (CO3 )2 1 69595 234 Langite (*) None Cu4 (SO4 )(OH)6 ·2H2 O 1 69595 593 Lavendulan (*) None NaCaCu5 (AsO4 )4 Cl·5H2 O 1 69595 149 Lavinskyite (*) Plancheite K(LiCu)Cu6 (Si4 O11 )2 (OH)4 201 23 1 69608 2 Lévyne-Ca (*) Lévyne Ca3 (Si12 Al6 )O36 ·18H2 O 1 69577 42 Libethenite (*) Andalusite Cu2 (PO4 )(OH) 1 69595 234 Lizardite (*) Serpentine Clay Mg3 Si2 O5 (OH)4 3 69553 ,69554 ,69566 359 Macfallite (*) None Ca2 Mn3+ 3 (SiO4 )(Si2 O7 )(OH)3 201 23 1 69608 6 Magnesio-arfvedsonite (*) Amphibole NaNa2 (Mg4 Fe3+ )Si8 O22 (OH)2 201 23 1 69608 79 Magnesiochromite (*) Spinel MgCr2 O4 1 69566 311 Magnesiovesuvianite (*) Vesuvianite Ca19 Mg(Al11 Mg)Si18 O69 (OH)9 201 23 1 69608 2 Magnetite (*) Spinel Fe2+ Fe3+ 2 O4 201 23 4 69553 ,69566 ,69571 ,69608 14899 Malachite (*) Malachite Cu2 (CO3 )(OH)2 201 23 12 69549 ,69568 ,69570 ,69574 ,69576 ,69582 ,69583 ,69589 ,69590 ,69593 ,69595 ,69608 12537 Manganiceladonite (*) Clay Mica KMgMn3+ Si4 O10 (OH)2 201 23 1 69608 1 Manganite (*) Rutile Mn3+ O(OH) 201 23 4 69568 ,69584 ,69586 ,69608 770 Manganohörnesite (*) Vivianite Mn2+ 3 (AsO4 )2 ·8H2 O 1 69595 9 Manganvesuvianite (*) Vesuvianite Ca19 Mn3+ Al10 Mg2 (SiO4 )10 (Si2 O7 )4 O(OH)9 201 23 1 69608 4 Marcasite (*) Marcasite FeS2 2 69542 ,69604 5674 Medaite (*) Medaite Mn2+ 6 V5+ Si5 O18 (OH) 1 69583 6 Millerite (*) Millerite NiS 201 23 1 69608 1066 Montmorillonite (*) Clay Smectite-vermiculite (Na,Ca)0.3 (Al,Mg)2 Si4 O10 (OH)2 ·nH2 O 201 23 1 69608 1508 Mottramite (*) Descloizite PbCu(VO4 )(OH) 1 69595 362 Mozartite (*) Adelite CaMn3+ (SiO4 )(OH) 201 23 1 69608 4 Muscovite (*) Mica Clay KAl2 (Si3 Al)O10 (OH)2 201 23 2 69579 ,69608 17380 Nabiasite (*) None BaMn9 (VO4 )6 (OH)2 1 69583 5 Namansilite (*) None NaMn3+ Si2 O6 201 23 1 69608 8 Nambulite (*) Rhodonite LiMn2+ 4 Si5 O14 (OH) 201 23 1 69608 12 Natrolite (*) Natrolite Na2 (Si3 Al2 )O10 ·2H2 O 5 69572 ,69576 ,69577 ,69587 ,69597 1236 Neotocite (*) Allophane (Mn,Fe)SiO3 ·H2 O (?) 201 23 3 69583 ,69595 ,69608 186 Nesquehonite (*) None Mg(CO3 )·3H2 O 2 69545 ,69554 80 Noelbensonite (*) None BaMn3+ 2 Si2 O7 (OH)2 ·H2 O 201 23 1 69608 6 Norrishite (*) Mica KLiMn3+ 2 Si4 O10 O2 201 23 1 69608 5 Olivenite (*) Andalusite Cu2 (AsO4 )(OH) 1 69595 492 Opal (*) Amorphous SiO2 ·n H2 O 1 69595 2994 Orientite (*) None Ca8 Mn3+ 10 (SiO4 )3 (Si3 O10 )3 (OH)10 ·4H2 O 201 23 1 69608 8 Orthoclase (*) Feldspar K(AlSi3 O8 ) 201 23 1 69608 2349 Parnauite (*) None Cu9 (AsO4 )2 (SO4 )(OH)10 ·7H2 O 1 69595 105 Parsettensite (*) Stilpnomelane Clay (K,Na,Ca)7.5 (Mn,Mg)49 Si72 O168 (OH)50 ·nH2 O 1 69595 43 Pectolite (*) Pectolite NaCa2 Si3 O8 (OH) 201 23 1 69608 363 Pentlandite (*) Pentlandite (Ni,Fe)9 S8 201 23 2 69566 ,69608 1512 Pharmacosiderite (*) Pharmacosiderite KFe3+ 4 (AsO4 )3 (OH)4 ·6-7H2 O 1 69595 428 Phlogopite (*) Mica Clay KMg3 (AlSi3 O10 )(OH)2 201 23 1 69608 2273 Piemontite (*) Epidote Ca2 (Al2 Mn3+ )[Si2 O7 ][SiO4 ]O(OH) 201 23 2 69583 ,69608 260 Piemontite-(Sr) (*) Clinozoisite Epidote CaSr(Al2 Mn3+ )[Si2 O7 ][SiO4 ]O(OH) 201 23 1 69608 12 Potassic-magnesio-arfvedsonite (*) Amphibole KNa2 (Mg4 Fe3+ )Si8 O22 (OH)2 201 23 1 69608 10 Prehnite (*) Prehnite Ca2 Al(Si3 Al)O10 (OH)2 10 69555 ,69559 ,69565 ,69566 ,69570 ,69572 ,69577 ,69587 ,69597 ,69605 1898 Pseudomalachite (*) None Cu5 (PO4 )2 (OH)4 1 69595 369 Pumpellyite-(Mg) (*) Pumpellyite Ca2 MgAl2 (Si2 O7 )(SiO4 )(OH)2 ·H2 O 1 69577 106 Pumpellyite-(Mn2+ ) (*) Pumpellyite Ca2 Mn2+ Al2 (Si2 O7 )(SiO4 )(OH)2 ·H2 O 1 69583 15 Pyrite (*) Pyrite FeS2 201 23 12 69568 ,69570 ,69571 ,69572 ,69574 ,69575 ,69577 ,69582 ,69583 ,69601 ,69602 ,69608 39462 Pyrobelonite (*) Descloizite PbMn2+ VO4 (OH) 201 23 1 69608 21 Pyrolusite (*) Rutile MnO2 201 23 6 69543 ,69549 ,69568 ,69584 ,69595 ,69608 3106 Pyromorphite (*) Apatite Pb5 (PO4 )3 Cl 1 69595 1725 Pyrope (*) Garnet Mg3 Al2 (SiO4 )3 201 23 1 69608 341 Pyroxmangite (*) None Mn2+ SiO3 201 23 2 69583 ,69608 147 Pyrrhotite (*) Nickeline Fe7 S8 4 69553 ,69556 ,69576 ,69577 9056 Quartz (*) Quartz SiO2 201 23 16 69542 ,69546 ,69568 ,69571 ,69579 ,69582 ,69583 ,69584 ,69586 ,69589 ,69595 ,69596 ,69601 ,69602 ,69605 ,69608 61156 Rhodochrosite (*) Calcite Mn(CO3 ) 201 23 3 69583 ,69595 ,69608 1711 Rhodonite (*) Rhodonite CaMn3 Mn(Si5 O15 ) 201 23 3 69583 ,69595 ,69608 969 Richterite (*) Amphibole Na(NaCa)Mg5 Si8 O22 (OH)2 201 23 1 69608 148 Ruizite (*) Ruizite Ca2 Mn3+ 2 Si4 O11 (OH)4 ·2H2 O 201 23 1 69608 6 Rutile (*) Rutile TiO2 201 23 2 69579 ,69608 5614 Saneroite (*) Saneroite NaMn2+ 5 [Si5 O14 (OH)](VO3 )(OH) 1 69583 6 Saponite (*) Clay Smectite-vermiculite (Ca,Na)0.3 (Mg,Fe)3 (Si,Al)4 O10 (OH)2 ·4H2 O 201 23 1 69608 301 Sarkinite (*) Wagnerite Mn2+ 2 (AsO4 )(OH) 3 69583 ,69595 ,69609 30 Scolecite (*) Natrolite Ca(Si3 Al2 )O10 ·3H2 O 2 69576 ,69577 390 Serandite (*) Pectolite NaMn2+ 2 Si3 O8 (OH) 201 23 1 69608 38 Siderite (*) Calcite Fe(CO3 ) 201 23 3 69541 ,69543 ,69608 6417 Skutterudite (*) Skutterudite Perovskite CoAs3 1 69582 531 Smithsonite (*) Calcite Zn(CO3 ) 1 69574 2473 Sphalerite (*) Sphalerite ZnS 2 69574 ,69577 21482 Spinel (*) Spinel MgAl2 O4 1 69571 1934 Staurolite (*) Staurolite Fe2+ 2 Al9 Si4 O23 (OH) 1 69579 978 Sterlinghillite (*) None Mn2+ 3 (AsO4 )2 ·3H2 O 1 69595 3 Stetindite-(Ce) (*) Zircon Ce(SiO4 ) 201 23 1 69608 3 Stilbite-Ca (*) Stilbite NaCa4 (Si27 Al9 )O72 ·28H2 O 1 69577 268 Strashimirite (*) None Cu4 (AsO4 )2 (OH)2 ·2.5H2 O 1 69595 90 Sugilite (*) Milarite KNa2 Fe3+ 2 (Li3 Si12 )O30 201 23 1 69608 15 Sulphur (*) Sulphur S 1 69574 2045 Talc (*) Clay Talc Mg3 Si4 O10 (OH)2 201 23 7 69571 ,69572 ,69582 ,69595 ,69597 ,69608 ,69609 3337 Tangeite (*) Adelite CaCu(VO4 )(OH) 201 23 1 69608 60 Tephroite (*) Olivine Mn2+ 2 (SiO4 ) 201 23 1 69608 240 Tetrahedrite-(Zn) (*) Tetrahedrite Cu6 (Cu4 Zn2 )Sb4 S13 1 69593 5317 Thomsonite-Ca (*) Thomsonite NaCa2 (Al5 Si5 )O20 ·6H2 O 2 69577 ,69597 452 Tilasite (*) Titanite CaMg(AsO4 )F 1 69595 34 Tiragalloite (*) None Mn2+ 4 As5+ Si3 O12 (OH) 201 23 2 69583 ,69608 15 Titanite (*) Titanite CaTi(SiO4 )O 201 23 5 69553 ,69571 ,69579 ,69583 ,69608 4899 Todorokite (*) None (Na,Ca,K,Ba,Sr)1-x (Mn,Mg,Al)6 O12 ·3-4H2 O 201 23 1 69608 433 Tokyoite (*) Brackebuschite Ba2 Mn3+ (VO4 )2 OH 201 23 1 69608 9 Topaz (*) Topaz Al2 SiO4 F2 1 69579 1476 Tremolite (*) Amphibole Ca2 (Mg5.0-4.5 Fe2+ 0.0-0.5 )Si8 O22 (OH)2 2 69571 ,69572 2562 Vesuvianite (*) Vesuvianite (Ca,Na)19 (Al,Mg,Fe)13 (SiO4 )10 (Si2 O7 )4 (OH,F,O)10 3 69553 ,69572 ,69597 1395 Volborthite (*) Volborthite Cu3 V2 O7 (OH)2 ·2H2 O 2 69582 ,69595 155 Wakefieldite-(La) (*) Zircon LaVO4 201 23 1 69608 3 Wallkilldellite (*) None Ca2 Mn2+ 3 (AsO4 )2 (OH)4 ·9H2 O 1 69595 20 Weddellite (*) Oxalate Ca(C2 O4 )·2H2 O 201 23 1 69608 32 Zálesíite (*) Mixite CaCu6 (AsO4 )2 (AsO3 OH)(OH)6 ·3H2 O 1 69595 84 Zircon (*) Zircon Zr(SiO4 ) 1 69579 5251 Zoisite (*) Epidote Ca2 Al3 [Si2 O7 ][SiO4 ]O(OH) 2 69570 ,69571 1025
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 Alexandra-0110 201 145 Jurassic Age of rocks Mn 4430 Cerchiara Mine, Borghetto Vara, Vara Valley, La Spezia Province, Liguria, Italy Cerchiara Mine Bindi et al. (2013) 10.1180/minmag.2013.077.4.07 MM77_475 Edit Alexandra-0111 100 23 Late Cretaceous - Early Cenozoic Age of metamorphism Mn 4430 Cerchiara Mine, Borghetto Vara, Vara Valley, La Spezia Province, Liguria, Italy Cerchiara Mine Bindi et al. (2013) 10.1180/minmag.2013.077.4.07 MM77_475 Edit Grew_Li_2019_0003 80 80 80 Balestraite 4430 Cerchiara Mine, Borghetto Vara, Vara Valley, La Spezia Province, Liguria, Italy Cerchiara mine, Eastern Liguria, Italy Cabella et al. (1998) TM2_1 Edit Michelle_0036 100 23 Late Cretaceous - Early Cenozoic stratigraphy Age of vein mineralization/metamorphism 4430 Cerchiara Mine, Borghetto Vara, Vara Valley, La Spezia Province, Liguria, Italy Cerchiara Mine Basso et al. (1997) NJM2_84 Edit Michelle_545 80 80 80 Age of tectonometamorphic overprinting Cerchiaraite-(Fe) 4430 Cerchiara Mine, Borghetto Vara, Vara Valley, La Spezia Province, Liguria, Italy Cerchiara Mine Kampf et al. (2013) MM77_69 Age of secondary hydrothermal event, related to re-equilibration of the ophiolitic sequences during tectonometamorphic overprinting
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