{"text_format":"dbase-jsonl-2026-09-30","columns":[{"name":"TIME","type":"character","width":36},{"name":"BROADER","type":"character","width":126},{"name":"NARROWER","type":"character","width":254},{"name":"SUGGESTION","type":"character","width":237},{"name":"CLASSIFICA","type":"character","width":6},{"name":"MIN_AGE","type":"number","width":18,"decimals":15},{"name":"MAX_AGE","type":"number","width":15,"decimals":12}],"n_rows":169,"rows_kept":169,"cut":false,"deleted_skipped":0,"read_ended":"whole","bounds":"16MiB/16384/4096/first_that_fit","version":"dbase_level_three","encoding_class":"enc_absent","reader":"statdb_count/9"}
["Phanerozoic",null,"Cenozoic\rQuaternary\rHolocene\rPleistocene\rTertiary\rNeogene\rPliocene\rMiocene\rPaleogene\rOligocene\rEocene\rPaleocene\rMesozoic\rCretaceous\rJurassic\rTriassic\rPaleozoic\rPermian\rCarboniferous\rPennsylvanian\rMississippian\rDevonian\rSilurian\rOrdovician\rCambrian",null,"Eon",0.000000000000000,570.00000000000]
["Cenozoic","Phanerozoic","Quaternary\rHolocene\rPleistocene\rTertiary\rNeogene\rPliocene\rMiocene\rPaleogene\rOligocene\rEocene\rPaleocene",null,"Era",0.000000000000000,66.400000000000]
["Quaternary","Cenozoic\rPhanerozoic","Holocene\rVersilian\rPostglacial\rNeolithic\rMesolithic\rPleistocene\rCalabrian",null,"Period",0.000000000000000,1.600000000000]
["Holocene","Quaternary\rCenozoic\rPhanerozoic","Versilian\rPostglacial\rNeolithic\rMesolithic",null,"Epoch",0.000000000000000,0.01]
["Pleistocene","Quaternary\rCenozoic\rPhanerozoic","Calabrian",null,"Epoch",0.01,1.600000000000]
["Calabrian","Pleistocene\rQuaternary\rCenozoic\rPhanerozoic",null,null,"Age",0.01,1.600000000000]
["Tertiary","Cenozoic\rPhanerozoic","Neogene\rPliocene\rLate Pliocene\rPiacenzian\rEarly Pliocene\rZanclean\rMiocene\rLate Miocene\rMessinian\rTortonian\rMiddle Miocene\rSerravallian\rLanghian\rEarly Miocene\rBurdigalian\rAquitanian\rPaleogene\rOligocene\rLate Oligocene\rChattian\rEarly Oligocene\rRupelian\rEoce",null,"Period",1.600000000000000,66.400000000000]
["Neogene","Tertiary\rCenozoic\rPhanerozoic","Pliocene\rLate Pliocene\rPiacenzian\rEarly Pliocene\rZanclean\rMiocene\rLate Miocene\rMessinian\rTortonian\rMiddle Miocene\rSerravallian\rLanghian\rEarly Miocene\rBurdigalian\rAquitanian",null,"Period",1.600000000000000,23.700000000000]
["Tertiary-Neogene","Cenozoic\rPhanerozoic","Pliocene\rLate Pliocene\rPiacenzian\rEarly Pliocene\rZanclean\rMiocene\rLate Miocene\rMessinian\rTortonian\rMiddle Miocene\rSerravallian\rLanghian\rEarly Miocene\rBurdigalian\rAquitanian",null,"Period",1.600000000000000,23.700000000000]
["Pliocene","Neogene\rTertiary\rCenozoic\rPhanerozoic","Late Pliocene\rPiacenzian\rEarly Pliocene\rZanclean",null,"Epoch",1.600000000000000,5.300000000000]
["Late-Pliocene","Pliocene\rNeogene\rTertiary\rCenozoic\rPhanerozoic","Piacenzian",null,"Epoch",1.600000000000000,3.400000000000]
["Piacenzian","Late Pliocene\rPliocene\rNeogene\rTertiary\rCenozoic\rPhanerozoic",null,null,"Age",1.600000000000000,3.400000000000]
["Early-Pliocene","Pliocene\rNeogene\rTertiary\rCenozoic\rPhanerozoic","Zanclean",null,"Epoch",3.400000000000000,5.300000000000]
["Zanclean","Early Pliocene\rPliocene\rNeogene\rTertiary\rCenozoic\rPhanerozoic",null,null,"Age",3.400000000000000,5.300000000000]
["Miocene","Neogene\rTertiary\rCenozoic\rPhanerozoic","Late Miocene\rMessinian\rTortonian\rMiddle Miocene\rSerravallian\rLanghian\rEarly Miocene\rBurdigalian\rAquitanian",null,"Epoch",5.300000000000000,23.700000000000]
["Late-Miocene","Miocene\rNeogene\rTertiary\rCenozoic\rPhanerozoic","Messinian\rTortonian",null,"Epoch",5.300000000000000,11.200000000000]
["Messinian","Late Miocene\rMiocene\rNeogene\rTertiary\rCenozoic\rPhanerozoic",null,null,"Age",5.300000000000000,6.500000000000]
["Tortonian","Late Miocene\rMiocene\rNeogene\rTertiary\rCenozoic\rPhanerozoic",null,null,"Age",6.500000000000000,11.200000000000]
["Middle-Miocene","Miocene\rNeogene\rTertiary\rCenozoic\rPhanerozoic","Serravallian\rLanghian",null,"Epoch",11.200000000000000,16.600000000000]
["Serravallian","Middle Miocene\rMiocene\rNeogene\rTertiary\rCenozoic\rPhanerozoic",null,null,"Age",11.200000000000000,15.100000000000]
["Langhian","Middle Miocene\rMiocene\rNeogene\rTertiary\rCenozoic\rPhanerozoic",null,null,"Age",15.100000000000000,16.600000000000]
["Early-Miocene","Miocene\rNeogene\rTertiary\rCenozoic\rPhanerozoic","Burdigalian\rAquitanian",null,"Epoch",16.600000000000000,23.700000000000]
["Burdigalian","Early Miocene\rMiocene\rNeogene\rTertiary\rCenozoic\rPhanerozoic",null,null,"Age",16.600000000000000,21.800000000000]
["Aquitanian","Early Miocene\rMiocene\rNeogene\rTertiary\rCenozoic\rPhanerozoic",null,null,"Age",21.800000000000000,23.700000000000]
["Paleogene","Tertiary\rCenozoic\rPhanerozoic","Oligocene\rLate Oligocene\rChattian\rEarly Oligocene\rRupelian\rEocene\rLate Eocene\rPriabonian\rMiddle Eocene\rBartonian\rLutetian\rEarly Eocene\rYpresian\rPaleocene\rLate Paleocene\rSelandian\rThanetian\rUnnamed\rEarly Paleocene\rDanian",null,"Period",23.700000000000000,66.400000000000]
["Tertiary-Paleogene","Cenozoic\rPhanerozoic","Oligocene\rLate Oligocene\rChattian\rEarly Oligocene\rRupelian\rEocene\rLate Eocene\rPriabonian\rMiddle Eocene\rBartonian\rLutetian\rEarly Eocene\rYpresian\rPaleocene\rLate Paleocene\rSelandian\rThanetian\rUnnamed\rEarly Paleocene\rDanian",null,"Period",23.700000000000000,66.400000000000]
["Oligocene","Paleogene\rTertiary\rCenozoic\rPhanerozoic","Late Oligocene\rChattian\rEarly Oligocene\rRupelian",null,"Epoch",23.700000000000000,36.600000000000]
["Late-Oligocene","Oligocene\rPaleogene\rTertiary\rCenozoic\rPhanerozoic","Chattian",null,"Epoch",23.700000000000000,30.000000000000]
["Chattian","Late Oligocene\rOligocene\rPaleogene\rTertiary\rCenozoic\rPhanerozoic",null,null,"Age",23.700000000000000,30.000000000000]
["Early-Oligocene","Oligocene\rPaleogene\rTertiary\rCenozoic\rPhanerozoic","Rupelian",null,"Epoch",30.000000000000000,36.600000000000]
["Rupelian","Early Oligocene\rOligocene\rPaleogene\rTertiary\rCenozoic\rPhanerozoic",null,null,"Age",30.000000000000000,36.600000000000]
["Eocene","Paleogene\rTertiary\rCenozoic\rPhanerozoic","Late Eocene\rPriabonian\rMiddle Eocene\rBartonian\rLutetian\rEarly Eocene\rYpresian",null,"Epoch",36.600000000000000,57.800000000000]
["Late-Eocene","Eocene\rPaleogene\rTertiary\rCenozoic\rPhanerozoic","Priabonian",null,"Epoch",36.600000000000000,40.000000000000]
["Priabonian","Late Eocene\rEocene\rPaleogene\rTertiary\rCenozoic\rPhanerozoic",null,null,"Age",36.600000000000000,40.000000000000]
["Middle-Eocene","Eocene\rPaleogene\rTertiary\rCenozoic\rPhanerozoic","Bartonian\rLutetian",null,"Epoch",40.000000000000000,52.000000000000]
["Bartonian","Middle Eocene\rEocene\rPaleogene\rTertiary\rCenozoic\rPhanerozoic",null,null,"Age",40.000000000000000,43.600000000000]
["Lutetian","Middle Eocene\rEocene\rPaleogene\rTertiary\rCenozoic\rPhanerozoic",null,null,"Age",43.600000000000000,52.000000000000]
["Early-Eocene","Eocene\rPaleogene\rTertiary\rCenozoic\rPhanerozoic","Ypresian",null,"Epoch",52.000000000000000,57.800000000000]
["Ypresian","Early Eocene\rEocene\rPaleogene\rTertiary\rCenozoic\rPhanerozoic",null,null,"Age",52.000000000000000,57.800000000000]
["Paleocene","Paleogene\rTertiary\rCenozoic\rPhanerozoic","Late Paleocene\rSelandian\rThanetian\rUnnamed\rEarly Paleocene\rDanian",null,"Epoch",57.800000000000000,66.400000000000]
["Late-Paleocene","Paleocene\rPaleogene\rTertiary\rCenozoic\rPhanerozoic","Selandian\rThanetian\rUnnamed",null,"Epoch",57.800000000000000,63.600000000000]
["Selandian","Late Paleocene\rPaleocene\rPaleogene\rTertiary\rCenozoic\rPhanerozoic","Thanetian\rUnnamed",null,"Age",57.800000000000000,63.600000000000]
["Thanetian","Selandian\rLate Paleocene\rPaleocene\rPaleogene\rTertiary\rCenozoic\rPhanerozoic",null,null,"Age",57.800000000000000,60.600000000000]
["Unnamed","Selandian\rLate Paleocene\rPaleocene\rPaleogene\rTertiary\rCenozoic\rPhanerozoic",null,"Selandian","Age",60.600000000000000,63.600000000000]
["Early-Paleocene","Paleocene\rPaleogene\rTertiary\rCenozoic\rPhanerozoic","Danian",null,"Epoch",63.600000000000000,66.400000000000]
["Danian","Early Paleocene\rPaleocene\rPaleogene\rTertiary\rCenozoic\rPhanerozoic",null,null,"Age",63.600000000000000,66.400000000000]
["Mesozoic","Phanerozoic","Cretaceous\rLate Cretaceous\rEarly Cretaceous\rNeocomian\rJurassic\rLate Jurassic\rMiddle Jurassic\rEarly Jurassic\rTriassic\rLate Triassic\rMiddle Triassic\rEarly Triassic",null,"Era",66.400000000000000,245.00000000000]
["Cretaceous","Mesozoic\rPhanerozoic","Late Cretaceous\rMaastrichtian\rCampanian\rSantonian\rConiacian\rTuronian\rCenomanian\rEarly Cretaceous\rAlbian\rAptian\rNeocomian\rBarremian\rHauterivian\rValanginian\rBerriasian",null,"Period",66.400000000000000,144.00000000000]
["Late-Cretaceous","Cretaceous\rMesozoic\rPhanerozoic","Maastrichtian\rCampanian\rSantonian\rConiacian\rTuronian\rCenomanian",null,"Epoch",66.400000000000000,97.500000000000]
["Maastrichtian","Late Cretaceous\rCretaceous\rMesozoic\rPhanerozoic",null,"alternate spelling:  Maestrichtian","Age",66.400000000000000,74.500000000000]
["Campanian","Late Cretaceous\rCretaceous\rMesozoic\rPhanerozoic",null,null,"Age",74.500000000000000,84.000000000000]
["Santonian","Late Cretaceous\rCretaceous\rMesozoic\rPhanerozoic",null,null,"Age",84.000000000000000,87.500000000000]
["Coniacian","Late Cretaceous\rCretaceous\rMesozoic\rPhanerozoic",null,null,"Age",87.500000000000000,88.500000000000]
["Turonian","Late Cretaceous\rCretaceous\rMesozoic\rPhanerozoic",null,null,"Age",88.500000000000000,91.000000000000]
["Cenomanian","Late Cretaceous\rCretaceous\rMesozoic\rPhanerozoic",null,null,"Age",91.000000000000000,97.500000000000]
["Early-Cretaceous","Cretaceous\rMesozoic\rPhanerozoic","Albian\rAptian\rNeocomian\rBarremian\rHauterivian\rValanginian\rBerriasian",null,"Epoch",97.500000000000000,144.00000000000]
["Albian","Early Cretaceous\rCretaceous\rMesozoic\rPhanerozoic",null,null,"Age",97.500000000000000,113.00000000000]
["Aptian","Early Cretaceous\rCretaceous\rMesozoic\rPhanerozoic",null,null,"Age",113.00000000000000,119.00000000000]
["Neocomian","Early Cretacous\rCretaceous\rMesozoic\rPhanerozoic","Barremian\rHauterivian\rValanginian\rBerriasian",null,"Epoch",119.00000000000000,144.00000000000]
["Early-Cretaceous-Neocomian","Cretaceous\rMesozoic\rPhanerozoic","Neocomian\rBarremian\rHauterivian\rValanginian\rBerriasian",null,"Epoch",119.00000000000000,144.00000000000]
["Barremian","Neocomian\rEarly Cretaceous\rCretaceous\rMesozoic\rPhanerozoic",null,null,"Age",119.00000000000000,124.00000000000]
["Hauterivian","Neocomian\rEarly Cretaceous\rCretaceous\rMesozoic\rPhanerozoic",null,null,"Age",124.00000000000000,131.00000000000]
["Valanginian","Neocomian\rEarly Cretaceous\rCretaceous\rMesozoic\rPhanerozoic",null,null,"Age",131.00000000000000,138.00000000000]
["Berriasian","Neocomian\rEarly Cretaceous\rCretaceous\rMesozoic\rPhanerozoic",null,null,"Age",138.00000000000000,144.00000000000]
["Jurassic","Mesozoic\rPhanerozoic","Late Jurassic\rTithonian\rKimmeridgian\rOxfordian\rMiddle Jurassic\rCallovian\rBathonian\rBajocian\rAalenian\rEarly Jurassic\rToarcian\rPliensbachian\rSinemurian\rHettangian",null,"Period",144.00000000000000,208.00000000000]
["Late-Jurassic","Jurassic\rMesozoic\rPhanerozoic","Tithonian\rKimmeridgian\rOxfordian",null,"Epoch",144.00000000000000,163.00000000000]
["Tithonian","Late Jurassic\rJurassic\rMesozoic\rPhanerozoic",null,null,"Age",144.00000000000000,152.00000000000]
["Kimmeridgian","Late Jurassic\rJurassic\rMesozoic\rPhanerozoic",null,null,"Age",152.00000000000000,156.00000000000]
["Oxfordian","Late Jurassic\rJurassic\rMesozoic\rPhanerozoic",null,null,"Age",156.00000000000000,163.00000000000]
["Middle-Jurassic","Jurassic\rMesozoic\rPhanerozoic","Callovian\rBathonian\rBajocian\rAalenian",null,"Epoch",163.00000000000000,187.00000000000]
["Callovian","Middle Jurassic\rJurassic\rMesozoic\rPhanerozoic",null,null,"Age",163.00000000000000,169.00000000000]
["Bathonian","Middle Jurassic\rJurassic\rMesozoic\rPhanerozoic",null,null,"Age",169.00000000000000,176.00000000000]
["Bajocian","Middle Jurassic\rJurassic\rMesozoic\rPhanerozoic",null,null,"Age",176.00000000000000,183.00000000000]
["Aalenian","Middle Jurassic\rJurassic\rMesozoic\rPhanerozoic",null,null,"Age",183.00000000000000,187.00000000000]
["Early-Jurassic","Jurassic\rMesozoic\rPhanerozoic","Toarcian\rPliensbachian\rSinemurian\rHettangian",null,"Epoch",187.00000000000000,208.00000000000]
["Toarcian","Early Jurassic\rJurassic\rMesozoic\rPhanerozoic",null,null,"Age",187.00000000000000,193.00000000000]
["Pliensbachian","Early Jurassic\rJurassic\rMesozoic\rPhanerozoic",null,null,"Age",193.00000000000000,198.00000000000]
["Sinemurian","Early Jurassic\rJurassic\rMesozoic\rPhanerozoic",null,null,"Age",198.00000000000000,204.00000000000]
["Hettangian","Early Jurassic\rJurassic\rMesozoic\rPhanerozoic",null,null,"Age",204.00000000000000,208.00000000000]
["Triassic","Mesozoic\rPhanerozoic","Late Triassic\rNorian\rCarnian\rMiddle Triassic\rLadinian\rAnisian\rEarly Triassic\rScythian","Rhaetian, Olenekian, Induan","Period",208.00000000000000,245.00000000000]
["Late-Triassic","Triassic\rMesozoic\rPhanerozoic","Norian\rCarnian","Rhaetian","Epoch",208.00000000000000,230.00000000000]
["Norian","Late Triassic\rTriassic\rMesozoic\rPhanerozoic",null,"Rhaetian","Age",208.00000000000000,225.00000000000]
["Carnian","Late Triassic\rTriassic\rMesozoic\rPhanerozoic",null,null,"Age",225.00000000000000,230.00000000000]
["Middle-Triassic","Triassic\rMesozoic\rPhanerozoic","Ladinian\rAnisian",null,"Epoch",230.00000000000000,240.00000000000]
["Ladinian","Middle Triassic\rTriassic\rMesozoic\rPhanerozoic",null,null,"Age",230.00000000000000,235.00000000000]
["Anisian","Middle Triassic\rTriassic\rMesozoic\rPhanerozoic",null,null,"Age",235.00000000000000,240.00000000000]
["Early-Triassic","Triassic\rMesozoic\rPhanerozoic","Scythian","Olenekian, Induan","Epoch",240.00000000000000,245.00000000000]
["Scythian","Early Triassic\rTriassic\rMesozoic\rPhanerozoic",null,"Olenekian, Induan","Age",240.00000000000000,245.00000000000]
["Paleozoic","Phanerozoic","Permian\rLate Permian\rEarly Permian\rCarboniferous\rPennsylvanian\rLate Carboniferous\rMississippian\rEarly Carboniferous\rDevonian\rLate Devonian\rMiddle Devonian\rEarly Devonian\rSilurian\rLate Silurian\rEarly Silurian\rOrdivician\rLate Ordovician\rMiddle Ordovician\rE",null,"Era",245.00000000000000,570.00000000000]
["Permian","Paleozoic\rPhanerozoic","Late Permian\rTatarian\rKazanian\rKazanian-Ufimian\rUfimian\rEarly Permian\rKungurian\rArtinskian\rSakmarian\rSakmarian-Asselian\rAsseslian","Ufimian-Kazanian","Period",245.00000000000000,286.00000000000]
["Late-Permian","Permian\rPaleozoic\rPhanerozoic","Tatarian\rUfimian\rUfimian-Kazanian\rKazanian","Ufimian-Kazanian","Epoch",245.00000000000000,258.00000000000]
["Tatarian","Late Permian\rPermian\rPaleozoic\rPhanerozoic",null,null,"Age",245.00000000000000,253.00000000000]
["Kazanian-Ufimian","Late Permian\rPermian\rPaleozoic\rPhanerozoic","Kazanian\rUfimian","Ufimian-Kazanian.  The two terms are lumped together as the same age with stratigraphic relativity.","Age",253.00000000000000,258.00000000000]
["Kazanian","Late Permian\rPermian\rPaleozoic\rPhanerozoic","Ufimian","The Ufimian is lumped with the Kazanian as the same age and is stratigraphically older.","Age",253.00000000000000,258.00000000000]
["Ufimian","Late Permian\rPermian\rPaleozoic\rPhanerozoic","Kazanian","The Kazanian is lumped with the Ufimian as the same age and is stratigraphically younger.","Age",253.00000000000000,258.00000000000]
["Early-Permian","Permian\rPaleozoic\rPhanerozoic","Kungurian\rArtinskian\rSakmarian\rSakmarian-Asselian\rAsselian",null,"Epoch",258.00000000000000,286.00000000000]
["Kungurian","Early Permian\rPermian\rPaleozoic\rPhanerozoic",null,null,"Age",258.00000000000000,263.00000000000]
["Artinskian","Early Permian\rPermian\rPaleozoic\rPhanerozoic",null,null,"Age",263.00000000000000,268.00000000000]
["Sakmarian-Asselian","Early Permian\rPermian\rPaleozoic\rPhanerozoic","Sakmarian\rAsselian","The two terms are lumped together as the same age with stratigraphic relativity.","Age",268.00000000000000,286.00000000000]
["Sakmarian","Early Permian\rPermian\rPaleozoic\rPhanerozoic","Asselian","The Sakmarin is lumped with the Asselian as the same age and is stratigraphically younger.","Age",268.00000000000000,286.00000000000]
["Asselian","Early Permian\rPermian\rPaleozoic\rPhanerozoic","Sakmarian","The Asselian is lumped with the Sakmarian as the same age and is stratigraphically older.","Age",268.00000000000000,286.00000000000]
["Carboniferous","Paleozoic\rPhanerozoic","Pennsylvanian\rLate Carboniferous\rS.\rGzelian\rGzelian-Kasimovian\rKasimovian\rW.\rMoscovian\rBashkirian\rN.\rMississippian\rEarly Carboniferous\rN.\rSerpukhovian\rVisean\rTournaisian",null,"Period",286.00000000000000,360.00000000000]
["Pennsylvanian","Carboniferous\rPaleozoic\rPhanerozoic","Late Carboniferous\rS.\rGzelian\rGzelian-Kasimovian\rKasimovian\rMoscovian\rW.\rBashkirian\rN.",null,"Period",286.00000000000000,320.00000000000]
["Carboniferous-Pennsylvanian","Carboniferous\rPaleozoic\rPhanerozoic","Late Carboniferous\rS.\rGzelian\rGzelian-Kasimovian\rKasimovian\rMoscovian\rW.\rBashkirian\rN.",null,"Period",286.00000000000000,320.00000000000]
["Late-Carboniferous","Pennsylvanian\rCarboniferous\rPaleozoic\rPhanerozoic","Late Carboniferous\rS.\rGzelian\rGzelian-Kasimovian\rKasimovian\rMoscovian\rW.\rBashkirian\rN.",null,"Epoch",286.00000000000000,320.00000000000]
["Gzelian-Kasimovian","S.\rLate Carboniferous\rPennsylvanian\rCarboniferous\rPaleozoic\rPhanerozoic","S.\rGzelian\rKasimovian","The two terms are lumped together as the same age with stratigraphic relativity.","Age",286.00000000000000,296.00000000000]
["S.","Gzelian\rGzelian-Kasimovian\rKasimovian\rMoscovian\rLate Carboniferous\rPennsylvanian\rCarboniferous\rPaleozoic\rPhanerozoic","Gzelian\rKasimovian","Gzelian, Kasimovian, Moscovian","Age",286.00000000000000,296.00000000000]
["Gzelian","S.\rLate Carboniferous\rPennsylvanian\rCarboniferous\rPaleozoic\rPhanerozoic","S.\rKasimovian","The Gzelian is lumped with the Kasimovian as the same age and is stratigraphically younger.","Age",286.00000000000000,296.00000000000]
["Moscovian","S.\rW.\rLate Carboniferous\rPennsylvanian\rCarboniferous\rPaleozoic\rPhanerozoic","S.\rW.","The Minimum and Maximum Ages are approximate and were not listed on the source.","Age",290.00000000000000,305.00000000000]
["W.","Moscovian\rBashkirian\rLate Carboniferous\rPennsylvanian\rCarboniferous\rPaleozoic\rPhanerozoic","Moscovian\rBashkirian",null,"Age",296.00000000000000,315.00000000000]
["Bashkirian","W.\rN.\rLate Carboniferous\rPennsylvanian\rCarboniferous\rPaleozoic\rPhanerozoic","W.\rN.","The Minimum Age is approximate and was not listed on the source.","Age",305.00000000000000,320.00000000000]
["N.","Serpukhovian\rEarly Carboniferous\rMississippian\rBashkirian\rLate Carboniferous\rPennsylvanian\rCarboniferous\rPaleozoic\rPhanerozoic","Bashkirian\rSerpukhovian",null,"Age",315.00000000000000,333.00000000000]
["Mississippian","N.\rCarboniferous\rPaleozoic\rPhanerozoic","N.\rEarly Carboniferous\rSerpukhovian\rVisean\rTournaisian",null,"Period",320.00000000000000,360.00000000000]
["Carboniferous-Mississippian","N.\rCarboniferous\rPaleozoic\rPhanerozoic","N.\rEarly Carboniferous\rSerpukhovian\rVisean\rTournaisian",null,"Period",320.00000000000000,360.00000000000]
["Early-Carboniferous","N.\rMississippian\rCarboniferous\rPaleozoic\rPhanerozoic","N.\rSerpukhovian\rVisean\rTournaisian",null,"Epoch",320.00000000000000,360.00000000000]
["Serpukhovian","Early Carboniferous\rMississippian\rN.\rCarboniferous\rPaleozoic\rPhanerozoic","N.",null,"Age",320.00000000000000,333.00000000000]
["Visean","Early Carboniferous\rMississippian\rCarboniferous\rPaleozoic\rPhanerozoic",null,null,"Age",333.00000000000000,352.00000000000]
["Tournaisian","Early Carboniferous\rMississippian\rCarboniferous\rPaleozoic\rPhanerozoic",null,null,"Age",352.00000000000000,360.00000000000]
["Devonian","Paleozoic\rPhanerozoic","Late Devonian\rFamennian\rFrasnian\rMiddle Devonian\rGivetian\rEifelian\rEarly Devonian\rEmsian\rSiegenian\rGedinnian","Praghian, Lockhovian","Period",360.00000000000000,408.00000000000]
["Late-Devonian","Devonian\rPaleozoic\rPhanerozoic","Famennian\rFrasnian",null,"Epoch",360.00000000000000,374.00000000000]
["Famennian","Late Devonian\rDevonian\rPaleozoic\rPhanerozoic",null,null,"Age",360.00000000000000,367.00000000000]
["Frasnian","Late Devonian\rDevonian\rPaleozoic\rPhanerozoic",null,null,"Age",367.00000000000000,374.00000000000]
["Middle-Devonian","Devonian\rPaleozoic\rPhanerozoic","Givetian\rEifelian",null,"Epoch",374.00000000000000,387.00000000000]
["Givetian","Middle Devonian\rDevonian\rPaleozoic\rPhanerozoic",null,null,"Age",374.00000000000000,380.00000000000]
["Eifelian","Middle Devonian\rDevonian\rPaleozoic\rPhanerozoic",null,null,"Age",380.00000000000000,387.00000000000]
["Early-Devonian","Devonian\rPaleozoic\rPhanerozoic","Emsian\rSiegenian\rGedinnian","Praghian, Lockhovian","Epoch",387.00000000000000,408.00000000000]
["Emsian","Early Devonian\rDevonian\rPaleozoic\rPhanerozoic",null,null,"Age",387.00000000000000,394.00000000000]
["Siegenian","Early Devonian\rDevonian\rPaleozoic\rPhanerozoic",null,"Praghian","Age",394.00000000000000,401.00000000000]
["Gedinnian","Early Devonian\rDevonian\rPaleozoic\rPhanerozoic",null,"Lockhovian","Age",401.00000000000000,408.00000000000]
["Silurian","Paleozoic\rPhanerozoic","Late Silurian\rPridolian\rLudlovian\rEarly Silurian\rWenlockian\rLlandoverian",null,"Period",408.00000000000000,438.00000000000]
["Late-Silurian","Silurian\rPaleozoic\rPhanerozoic","Pridolian\rLudlovian",null,"Epoch",408.00000000000000,421.00000000000]
["Pridolian","Late Silurian\rSilurian\rPaleozoic\rPhanerozoic",null,null,"Age",408.00000000000000,414.00000000000]
["Ludlovian","Late Silurian\rSilurian\rPaleozoic\rPhanerozoic",null,null,"Age",414.00000000000000,421.00000000000]
["Early-Silurian","Silurian\rPaleozoic\rPhanerozoic","Wenlockian\rLlandoverian",null,"Epoch",421.00000000000000,438.00000000000]
["Wenlockian","Early Silurian\rSilurian\rPaleozoic\rPhanerozoic",null,null,"Age",421.00000000000000,428.00000000000]
["Llandoverian","Early Silurian\rSilurian\rPaleozoic\rPhanerozoic",null,null,"Age",428.00000000000000,438.00000000000]
["Ordovician","Paleozoic\rPhanerozoic","Late Ordovician\rAshgillian\rCaradocian\rMiddle Ordovician\rLlandeilian\rLlanvirnian\rEarly Ordovician\rArenigian\rTremadocian",null,"Period",438.00000000000000,505.00000000000]
["Late-Ordovician","Ordovician\rPaleozoic\rPhanerozoic","Ashgillian\rCaradocian",null,"Epoch",438.00000000000000,458.00000000000]
["Ashgillian","Late Ordovician\rOrdovician\rPaleozoic\rPhanerozoic",null,null,"Age",438.00000000000000,448.00000000000]
["Caradocian","Late Ordovician\rOrdovician\rPaleozoic\rPhanerozoic",null,null,"Age",448.00000000000000,458.00000000000]
["Middle-Ordovician","Ordovician\rPaleozoic\rPhanerozoic","Llandeilian\rLlanvirnian",null,"Epoch",458.00000000000000,478.00000000000]
["Llandeilian","Middle Ordovician\rOrdovician\rPaleozoic\rPhanerozoic",null,null,"Age",458.00000000000000,468.00000000000]
["Llanvirnian","Middle Ordovician\rOrdovician\rPaleozoic\rPhanerozoic",null,null,"Age",468.00000000000000,478.00000000000]
["Early-Ordovician","Ordovician\rPaleozoic\rPhanerozoic","Arenigian\rTremadocian",null,"Epoch",478.00000000000000,505.00000000000]
["Arenigian","Early Ordovician\rOrdovician\rPaleozoic\rPhanerozoic",null,null,"Age",478.00000000000000,488.00000000000]
["Tremadocian","Early Ordovician\rOrdovician\rPaleozoic\rPhanerozoic",null,null,"Age",488.00000000000000,505.00000000000]
["Cambrian","Paleozoic\rPhanerozoic","Late Cambrian\rTrempealeauan\rFranconian\rDresbachian\rMiddle Cambrian\rEarly Cambrian","Sunwaptan, Steptoean, Marjuman, Delamaran, Dyeran, Montezuman, D Cambrian, C Cambrian, B Cambrian, A Cambrian","Period",505.00000000000000,570.00000000000]
["Late-Cambrian","Cambrian\rPaleozoic\rPhanerozoic","Trempealeauan\rFranconian\rDresbachian","Sunwaptan, Steptoean, Marjuman, Delamaran, Dyeran, Montezuman, D Cambrian, C Cambrian, B Cambrian, A Cambrian","Epoch",505.00000000000000,523.00000000000]
["Trempealeauan-Franconian-Dresbachian","Late Cambrian\rCambrian\rPaleozoic\rPhanerozoic","Trempealeauan\rFranconian\rDresbachian","Sunwaptan, Steptoean, Marjuman, Delamaran, Dyeran, Montezuman, D Cambrian, C Cambrian, B Cambrian.  The Maximum Age is approximate and was not listed on the source.  All units are lumped as one age; listed stratigraphically relative.","Age",505.00000000000000,515.00000000000]
["Trempealeauan","Late Cambrian\rCambrian\rPaleozoic\rPhanerozoic","Franconian\rDresbachian","Sunwaptan, Steptoean, Marjuman, Delamaran, Dyeran, Montezuman, D-C-B Cambrians.  The Maximum Age is approximate and was not listed on the source.  All units are lumped as one age; Trempealeauan stratigraphically youngest.","Age",505.00000000000000,515.00000000000]
["Franconian","Late Cambrian\rCambrian\rPaleozoic\rPhanerozoic","Trempealeauan\rDresbachian","Sunwaptan, Steptoean, Marjuman, Delamaran, Dyeran, Montezuman, D-C-B Cambrians.  The Maximum Age is approximate.  All units are lumped as one age; Franconian younger than Dresbachian, older than Trempealeauan.","Age",505.00000000000000,515.00000000000]
["Dresbachian","Late Cambrian\rCambrian\rPaleozoic\rPhanerozoic","Trempealeauan\rFranconian","Sunwaptan, Steptoean, Marjuman, Delamaran, Dyeran, Montezuman, D-C-B Cambrians.  The Maximum Age is approximate and was not listed on the source.  All units are lumped as one age; Dresbachian stratigraphically the oldest.","Age",505.00000000000000,515.00000000000]
["Middle-Cambrian","Cambrian\rPaleozoic\rPhanerozoic",null,"A Cambrian.","Epoch",523.00000000000000,540.00000000000]
["Early-Cambrian","Cambrian\rPaleozoic\rPhanerozoic",null,"A Cambrian.","Epoch",540.00000000000000,570.00000000000]
["Proterozoic","PreCambrian","PreCambrian\rLate Proterozoic\rMiddle Proterozoic\rEarly Proterozoic","Algonkian.  The Proterozoic is an Eon, which is a broader term than Era (the PreCambrian).","Eon",570.00000000000000,2500.0000000000]
["PreCambrian","Proterozoic\rArchean","Proterozoic\rLate Proterozoic\rMiddle Proterozoic\rEarly Proterozoic\rArchean\rLate Archean\rMiddle Archean\rEarly Archean","Algonkian, Cryptozoic, Archaeozoic, Azoic.  The Proterozoic and Archean are Eons, which is a broader term than Era (the PreCambrian).  The Early Archean is projected to 3800? my.  The oldest rock found on Earth is believed to be 4600 my.","Era",570.00000000000000,4600.0000000000]
["Late-Proterozoic","Proterozoic\rPreCambrian",null,null,"Era",570.00000000000000,900.00000000000]
["Middle-Proterozoic","Proterozoic\rPreCambrian","Late-Middle-Proterozoic\rMiddle-Middle-Proterozoic\rEarly-Middle-Proterozoic",null,"Era",900.00000000000000,1600.0000000000]
["Late-Middle-Proterozoic","Proterozoic\rPreCambrian\rMiddle-Proterozic",null,null,"Era",900.00000000000000,1200.0000000000]
["Middle-Middle-Proterozoic","Proterozoic\rPreCambrian\rMiddle-Proterozic",null,null,"Era",1200.0000000000000,1400.0000000000]
["Early-Middle-Proterozoic","Proterozoic\rPreCambrian\rMiddle-Proterozic",null,null,"Era",1400.0000000000000,1600.0000000000]
["Early-Proterozoic","Proterozoic\rPreCambrian",null,null,"Era",1600.0000000000000,2500.0000000000]
["Late-Early-Proterozoic","Proterozoic\rPreCambrian\rEarly-Proterozic",null,null,"Era",1600.0000000000000,1800.0000000000]
["Middle-Early-Proterozoic","Proterozoic\rPreCambrian\rEarly-Proterozic",null,null,"Era",1800.0000000000000,2100.0000000000]
["Early-Early-Proterozoic","Proterozoic\rPreCambrian\rEarly-Proterozic",null,null,"Era",2100.0000000000000,2500.0000000000]
["Archean","PreCambrian","PreCambrian\rLate Archean\rMiddle Archean\rEarly Archean","Cryptozoic, Archaeozoic, Azoic.  The Archean is an Eon, which is a broader term than Era (the PreCambrian).  The Early Archean is projected to 3800? my.  The oldest rock found on Earth is believed to be 4600 my.","Eon",2500.0000000000000,4600.0000000000]
["Late-Archean","Archean\rPreCambrian",null,null,"Era",2500.0000000000000,3000.0000000000]
["Middle-Archean","Archean\rPreCambrian",null,null,"Era",3000.0000000000000,3400.0000000000]
["Early-Archean","Archean\rPreCambrian",null,"The Early Archean is projected to 3800? my.  The oldest rock found on Earth is believed to be 4600 my.","Era",3400.0000000000000,4600.0000000000]