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. |
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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. |
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| 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 |
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Actinolite (*) | Amphibole | Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2 | | | 1 | 1929 | 3419 |
Aerinite (*) | Not in a structural group | (Ca,Na)6(Fe3+,Fe2+,Mg,Al)4(Al,Mg)6Si12O36(OH)12(CO3)·12H2O | | | 1 | 1928 | 22 |
Albite (*) | Feldspar | Na(AlSi3O8) | | | 2 | 1907,1928 | 8803 |
Alunite (*) | None | KAl3(SO4)2(OH)6 | | | 2 | 1917,1929 | 966 |
Alunogen (*) | Not in a structural group | Al2(SO4)3(H2O)12·5H2O | | | 1 | 1938 | 272 |
Analcime (*) | Analcime | Na(AlSi2O6)·H2O | | | 1 | 1927 | 1627 |
Andalusite (*) | Andalusite | Al2SiO5 | | | 3 | 1908,1915,1929 | 1310 |
Anglesite (*) | Baryte | Pb(SO4) | | | 1 | 1938 | 2734 |
Anhydrite (*) | Not in a structural group | Ca(SO4) | | | 1 | 1907 | 1588 |
Ankerite (*) | None | Ca(Fe2+,Mg)(CO3)2 | | | 2 | 1904,1919 | 3092 |
Anorthite (*) | Feldspar | Ca(Al2Si2O8) | | | 1 | 1928 | 1036 |
Antlerite (*) | Not in a structural group | Cu2+3(SO4)(OH)4 | | | 1 | 1917 | 246 |
Aragonite (*) | Aragonite | Ca(CO3) | | | 5 | 1904,1917,1919,1936,1938 | 3250 |
Atacamite (*) | Atacamite | Cu2Cl(OH)3 | | | 1 | 1917 | 544 |
Azurite (*) | Not in a structural group | Cu3(CO3)2(OH)2 | | | 1 | 1938 | 5509 |
Baryte (*) | Baryte | Ba(SO4) | | | 2 | 1911,1935 | 11547 |
Beaverite-(Cu) (*) | Alunite | Pb(Fe3+2Cu)(SO4)2(OH)6 | | | 1 | 1938 | 132 |
Blödite (*) | Blödite | Na2Mg(SO4)2·4H2O | | | 1 | 1943 | 130 |
Bornite (*) | None | Cu5FeS4 | | | 3 | 1907,1911,1935 | 5516 |
Brochantite (*) | Brochantite | Cu4(SO4)(OH)6 | | | 1 | 1917 | 1633 |
Brushite (*) | Gypsum | Ca(PO3OH)·2H2O | | | 1 | 1904 | 104 |
Calcite (*) | Calcite | Ca(CO3) | | | 7 | 1915,1917,1927,1929,1936,1938,1948 | 27770 |
Chalcanthite (*) | Chalcanthite | Cu(SO4)·5H2O | | | 1 | 1938 | 925 |
Chalcocite (*) | None | Cu2S | | | 1 | 1907 | 5707 |
Chalcopyrite (*) | Chalcopyrite | CuFeS2 | | | 10 | 1906,1907,1909,1911,1916,1918,1929,1934,1935,1938 | 27198 |
Chloraluminite (*) | None | AlCl3·6H2O | | | 1 | 1921 | 3 |
Cordierite (*) | Beryl | Mg2Al4Si5O18 | | | 1 | 1915 | 1008 |
Corundum (*) | Corundum | Al2O3 | | | 1 | 1929 | 1797 |
Covellite (*) | Covellite | CuS | | | 2 | 1907,1911 | 4165 |
Cowlesite (*) | None | Ca(Al2Si3)O10·5-6H2O | | | 1 | 1928 | 84 |
Diaspore (*) | Diaspore | AlO(OH) | | | 1 | 1929 | 481 |
Diopside (*) | Pyroxene | CaMgSi2O6 | | | 1 | 1928 | 4135 |
Earlandite (*) | None | Ca3(C6H5O7)2·4H2O | 0 | 0.001 | 1 | 1952 | 1 |
Enargite (*) | Enargite Wurtzite | Cu3AsS4 | | | 1 | 1911 | 910 |
Enstatite (*) | Pyroxene | Mg2Si2O6 | | | 1 | 1928 | 944 |
Epidote (*) | Epidote Clinozoisite | Ca2(Al2Fe3+)[Si2O7][SiO4]O(OH) | | | 3 | 1907,1918,1929 | 8173 |
Ferrihydrite (*) | Nolanite | Fe3+10O14(OH)2 | | | 2 | 1904,1919 | 86 |
Ferrosaponite (*) | Clay Smectite-vermiculite | Ca0.3(Fe2+,Mg,Fe3+)3(Si,Al)4O10(OH)2·4H2O | | | 1 | 1927 | 6 |
Fibroferrite (*) | Not in a structural group | Fe3+(SO4)(OH)·5H2O | | | 3 | 1917,1938,1945 | 107 |
Fluorapatite (*) | Apatite | Ca5(PO4)3F | | | 2 | 1904,1907 | 2740 |
Forsterite (*) | Olivine | Mg2(SiO4) | | | 1 | 1941 | 1188 |
Galena (*) | Rocksalt | PbS | | | 3 | 1911,1934,1938 | 24243 |
Goethite (*) | Diaspore | FeO(OH) | | | 1 | 1938 | 7437 |
Graphite (*) | None | C | | | 1 | 1915 | 2812 |
Greigite (*) | Spinel | Fe2+Fe3+2S4 | | | 1 | 1921 | 62 |
Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 0 | 0.001 | 9 | 1904,1917,1918,1919,1936,1937,1938,1945,1951 | 6890 |
Halite (*) | Rocksalt | NaCl | | | 2 | 1919,1921 | 1398 |
Hematite (*) | Corundum | Fe2O3 | | | 3 | 1925,1935,1938 | 14640 |
Hexahydrite (*) | Hexahydrite | Mg(SO4)·6H2O | | | 2 | 1904,1919 | 251 |
Hydrokenoralstonite (*) | Pyrochlore | 2Al2F6(H2O) | | | 1 | 1921 | 56 |
Hydroxylapatite (*) | Apatite | Ca5(PO4)3OH | | | 3 | 1904,1931,1932 | 367 |
Ikaite (*) | None | Ca(CO3)·6H2O | 0 | 0.001 | 2 | 1910,1951 | 12 |
Ilmenite (*) | Corundum | Fe2+Ti4+O3 | | | 1 | 1907 | 5433 |
Jarosite (*) | Alunite | KFe3+3(SO4)2(OH)6 | | | 3 | 1904,1918,1919 | 2228 |
Kaersutite (*) | Amphibole | NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 | | | 1 | 1941 | 179 |
Kaolinite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | | | 2 | 1907,1926 | 5591 |
Kyanite (*) | Not in a structural group | Al2OSiO4 | | | 1 | 1950 | 1507 |
Laumontite (*) | Not in a structural group | CaAl2Si4O12·4H2O | | | 1 | 1927 | 1271 |
Leucophosphite (*) | Leucophosphite | KFe3+2(PO4)2(OH)·2H2O | | | 3 | 1904,1931,1932 | 110 |
Magnetite (*) | Spinel | Fe2+Fe3+2O4 | | | 7 | 1907,1916,1918,1928,1929,1935,1941 | 14899 |
Malachite (*) | Malachite | Cu2(CO3)(OH)2 | | | 1 | 1938 | 12537 |
Marcasite (*) | Marcasite | FeS2 | | | 1 | 1911 | 5674 |
Microcline (*) | Feldspar | K(AlSi3O8) | | | 1 | 1907 | 4924 |
Minyulite (*) | None | KAl2(PO4)2F·4H2O | | | 3 | 1922,1931,1932 | 31 |
Mogánite (*) | None | SiO2·nH2O | | | 1 | 1927 | 43 |
Molybdenite (*) | Molybdenite | MoS2 | | | 4 | 1906,1907,1929,1935 | 5800 |
Molysite (*) | None | FeCl3 | | | 1 | 1921 | 12 |
Mordenite (*) | Mordenite | (Na2,Ca,K2)4(Al8Si40)O96·28H2O | | | 1 | 1927 | 405 |
Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | | | 5 | 1907,1915,1926,1929,1938 | 17380 |
Natrojarosite (*) | Alunite | NaFe3+3(SO4)2(OH)6 | | | 4 | 1904,1917,1919,1938 | 254 |
Natrolite (*) | Natrolite | Na2(Si3Al2)O10·2H2O | | | 1 | 1927 | 1236 |
Nesquehonite (*) | None | Mg(CO3)·3H2O | | | 1 | 1944 | 80 |
Nontronite (*) | Clay Smectite-vermiculite | Na0.3Fe3+2(Si,Al)4O10(OH)2·nH2O | | | 1 | 1911 | 471 |
Opal (*) | Amorphous | SiO2·nH2O | | | 1 | 1911 | 2994 |
Orpiment (*) | Orpiment | As2S3 | | | 1 | 1911 | 511 |
Orthoclase (*) | Feldspar | K(AlSi3O8) | | | 1 | 1907 | 2349 |
Paratacamite (*) | Atacamite | Cu3(Cu,Zn)Cl2(OH)6 | | | 1 | 1938 | 158 |
Pickeringite (*) | Halotrichite | MgAl2(SO4)4·22H2O | | | 1 | 1943 | 265 |
Plancheite (*) | Plancheite | Cu8(Si4O11)2(OH)4·H2O | | | 1 | 1917 | 74 |
Prehnite (*) | Prehnite | Ca2Al(Si3Al)O10(OH)2 | | | 1 | 1948 | 1898 |
Pyrite (*) | Pyrite | FeS2 | | | 12 | 1906,1907,1909,1911,1916,1918,1921,1928,1929,1930,1938,1945 | 39462 |
Pyrophyllite (*) | Clay Pyrophyllite | Al2Si4O10(OH)2 | | | 1 | 1929 | 771 |
Pyrrhotite (*) | Nickeline | Fe7S8 | | | 1 | 1907 | 9056 |
Quartz (*) | Quartz | SiO2 | 0 | 0.001 | 13 | 1906,1907,1909,1916,1918,1925,1928,1929,1930,1934,1935,1938,1952 | 61156 |
Rhönite (*) | Sapphirine | Ca4[Mg8Fe3+2Ti2]O4[Si6Al6O36] | | | 1 | 1941 | 47 |
Rutile (*) | Rutile | TiO2 | | | 3 | 1907,1916,1929 | 5614 |
Saponite (*) | Clay Smectite-vermiculite | (Ca,Na)0.3(Mg,Fe)3(Si,Al)4O10(OH)2·4H2O | | | 1 | 1928 | 301 |
Scolecite (*) | Natrolite | Ca(Si3Al2)O10·3H2O | | | 1 | 1927 | 390 |
Siderite (*) | Calcite | Fe(CO3) | | | 1 | 1907 | 6417 |
Sphalerite (*) | Sphalerite | ZnS | | | 1 | 1934 | 21482 |
Spheniscidite (*) | Leucophosphite | (NH4)Fe3+2(PO4)2(OH)·2H2O | | | 1 | 1922 | 4 |
Struvite (*) | Struvite | (NH4)Mg(PO4)·6H2O | | | 3 | 1904,1931,1932 | 30 |
Sulphur (*) | Sulphur | S | | | 3 | 1911,1921,1929 | 2045 |
Sylvite (*) | Rocksalt | KCl | | | 1 | 1921 | 275 |
Tamarugite (*) | Tamarugite | NaAl(SO4)2·6H2O | | | 2 | 1904,1919 | 87 |
Taranakite (*) | Taranakite | K3Al5(PO3OH)6(PO4)2·18H2O | | | 1 | 1932 | 57 |
Tennantite-(Fe) (*) | Tetrahedrite | Cu6(Cu4Fe2)As4S13 | | | 1 | 1911 | 1803 |
Thénardite (*) | None | Na2(SO4) | | | 2 | 1917,1936 | 299 |
Titanite (*) | Titanite | CaTi(SiO4)O | | | 1 | 1918 | 4899 |
Tridymite (*) | Tridymite | SiO2 | | | 1 | 1921 | 458 |
Vashegyite (*) | None | Al11(PO4)9(OH)6·38H2O | | | 1 | 1904 | 28 |
Vivianite (*) | Vivianite | Fe2+3(PO4)2·8H2O | | | 1 | 1904 | 636 |
Weberite (*) | Weberite | Na2MgAlF7 | | | 1 | 1921 | 13 |
Weddellite (*) | Oxalate | Ca(C2O4)·2H2O | 0 | 0.001 | 1 | 1951 | 32 |
Zircon (*) | Zircon | Zr(SiO4) | | | 1 | 1907 | 5251 |
Zunyite (*) | None | Al13Si5O20(OH,F)18Cl | | | 1 | 1929 | 86 |
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