©µTIMEC$BROADERC~NARROWERCþSUGGESTIONCíCLASSIFICACMIN_AGENMAX_AGEN Phanerozoic Cenozoic Quaternary Holocene Pleistocene Tertiary Neogene Pliocene Miocene Paleogene Oligocene Eocene Paleocene Mesozoic Cretaceous Jurassic Triassic Paleozoic Permian Carboniferous Pennsylvanian Mississippian Devonian Silurian Ordovician Cambrian Eon 0.000000000000000570.00000000000 Cenozoic Phanerozoic Quaternary Holocene Pleistocene Tertiary Neogene Pliocene Miocene Paleogene Oligocene Eocene Paleocene Era 0.00000000000000066.400000000000 Quaternary Cenozoic Phanerozoic Holocene Versilian Postglacial Neolithic Mesolithic Pleistocene Calabrian Period 0.000000000000000 1.600000000000 Holocene Quaternary Cenozoic Phanerozoic Versilian Postglacial Neolithic Mesolithic Epoch 0.000000000000000 .010000000000 Pleistocene Quaternary Cenozoic Phanerozoic Calabrian Epoch .010000000000000 1.600000000000 Calabrian Pleistocene Quaternary Cenozoic Phanerozoic Age .010000000000000 1.600000000000 Tertiary Cenozoic Phanerozoic Neogene Pliocene Late Pliocene Piacenzian Early Pliocene Zanclean Miocene Late Miocene Messinian Tortonian Middle Miocene Serravallian Langhian Early Miocene Burdigalian Aquitanian Paleogene Oligocene Late Oligocene Chattian Early Oligocene Rupelian Eoce Period 1.60000000000000066.400000000000 Neogene Tertiary Cenozoic Phanerozoic Pliocene Late Pliocene Piacenzian Early Pliocene Zanclean Miocene Late Miocene Messinian Tortonian Middle Miocene Serravallian Langhian Early Miocene Burdigalian Aquitanian Period 1.60000000000000023.700000000000 Tertiary-Neogene Cenozoic Phanerozoic Pliocene Late Pliocene Piacenzian Early Pliocene Zanclean Miocene Late Miocene Messinian Tortonian Middle Miocene Serravallian Langhian Early Miocene Burdigalian Aquitanian Period 1.60000000000000023.700000000000 Pliocene Neogene Tertiary Cenozoic Phanerozoic Late Pliocene Piacenzian Early Pliocene Zanclean Epoch 1.600000000000000 5.300000000000 Late-Pliocene Pliocene Neogene Tertiary Cenozoic Phanerozoic Piacenzian Epoch 1.600000000000000 3.400000000000 Piacenzian Late Pliocene Pliocene Neogene Tertiary Cenozoic Phanerozoic Age 1.600000000000000 3.400000000000 Early-Pliocene Pliocene Neogene Tertiary Cenozoic Phanerozoic Zanclean Epoch 3.400000000000000 5.300000000000 Zanclean Early Pliocene Pliocene Neogene Tertiary Cenozoic Phanerozoic Age 3.400000000000000 5.300000000000 Miocene Neogene Tertiary Cenozoic Phanerozoic Late Miocene Messinian Tortonian Middle Miocene Serravallian Langhian Early Miocene Burdigalian Aquitanian Epoch 5.30000000000000023.700000000000 Late-Miocene Miocene Neogene Tertiary Cenozoic Phanerozoic Messinian Tortonian Epoch 5.30000000000000011.200000000000 Messinian Late Miocene Miocene Neogene Tertiary Cenozoic Phanerozoic Age 5.300000000000000 6.500000000000 Tortonian Late Miocene Miocene Neogene Tertiary Cenozoic Phanerozoic Age 6.50000000000000011.200000000000 Middle-Miocene Miocene Neogene Tertiary Cenozoic Phanerozoic Serravallian Langhian Epoch 11.20000000000000016.600000000000 Serravallian Middle Miocene Miocene Neogene Tertiary Cenozoic Phanerozoic Age 11.20000000000000015.100000000000 Langhian Middle Miocene Miocene Neogene Tertiary Cenozoic Phanerozoic Age 15.10000000000000016.600000000000 Early-Miocene Miocene Neogene Tertiary Cenozoic Phanerozoic Burdigalian Aquitanian Epoch 16.60000000000000023.700000000000 Burdigalian Early Miocene Miocene Neogene Tertiary Cenozoic Phanerozoic Age 16.60000000000000021.800000000000 Aquitanian Early Miocene Miocene Neogene Tertiary Cenozoic Phanerozoic Age 21.80000000000000023.700000000000 Paleogene Tertiary Cenozoic Phanerozoic Oligocene Late Oligocene Chattian Early Oligocene Rupelian Eocene Late Eocene Priabonian Middle Eocene Bartonian Lutetian Early Eocene Ypresian Paleocene Late Paleocene Selandian Thanetian Unnamed Early Paleocene Danian Period23.70000000000000066.400000000000 Tertiary-Paleogene Cenozoic Phanerozoic Oligocene Late Oligocene Chattian Early Oligocene Rupelian Eocene Late Eocene Priabonian Middle Eocene Bartonian Lutetian Early Eocene Ypresian Paleocene Late Paleocene Selandian Thanetian Unnamed Early Paleocene Danian Period23.70000000000000066.400000000000 Oligocene Paleogene Tertiary Cenozoic Phanerozoic Late Oligocene Chattian Early Oligocene Rupelian Epoch 23.70000000000000036.600000000000 Late-Oligocene Oligocene Paleogene Tertiary Cenozoic Phanerozoic Chattian Epoch 23.70000000000000030.000000000000 Chattian Late Oligocene Oligocene Paleogene Tertiary Cenozoic Phanerozoic Age 23.70000000000000030.000000000000 Early-Oligocene Oligocene Paleogene Tertiary Cenozoic Phanerozoic Rupelian Epoch 30.00000000000000036.600000000000 Rupelian Early Oligocene Oligocene Paleogene Tertiary Cenozoic Phanerozoic Age 30.00000000000000036.600000000000 Eocene Paleogene Tertiary Cenozoic Phanerozoic Late Eocene Priabonian Middle Eocene Bartonian Lutetian Early Eocene Ypresian Epoch 36.60000000000000057.800000000000 Late-Eocene Eocene Paleogene Tertiary Cenozoic Phanerozoic Priabonian Epoch 36.60000000000000040.000000000000 Priabonian Late Eocene Eocene Paleogene Tertiary Cenozoic Phanerozoic Age 36.60000000000000040.000000000000 Middle-Eocene Eocene Paleogene Tertiary Cenozoic Phanerozoic Bartonian Lutetian Epoch 40.00000000000000052.000000000000 Bartonian Middle Eocene Eocene Paleogene Tertiary Cenozoic Phanerozoic Age 40.00000000000000043.600000000000 Lutetian Middle Eocene Eocene Paleogene Tertiary Cenozoic Phanerozoic Age 43.60000000000000052.000000000000 Early-Eocene Eocene Paleogene Tertiary Cenozoic Phanerozoic Ypresian Epoch 52.00000000000000057.800000000000 Ypresian Early Eocene Eocene Paleogene Tertiary Cenozoic Phanerozoic Age 52.00000000000000057.800000000000 Paleocene Paleogene Tertiary Cenozoic Phanerozoic Late Paleocene Selandian Thanetian Unnamed Early Paleocene Danian Epoch 57.80000000000000066.400000000000 Late-Paleocene Paleocene Paleogene Tertiary Cenozoic Phanerozoic Selandian Thanetian Unnamed Epoch 57.80000000000000063.600000000000 Selandian Late Paleocene Paleocene Paleogene Tertiary Cenozoic Phanerozoic Thanetian Unnamed Age 57.80000000000000063.600000000000 Thanetian Selandian Late Paleocene Paleocene Paleogene Tertiary Cenozoic Phanerozoic Age 57.80000000000000060.600000000000 Unnamed Selandian Late Paleocene Paleocene Paleogene Tertiary Cenozoic Phanerozoic Selandian Age 60.60000000000000063.600000000000 Early-Paleocene Paleocene Paleogene Tertiary Cenozoic Phanerozoic Danian Epoch 63.60000000000000066.400000000000 Danian Early Paleocene Paleocene Paleogene Tertiary Cenozoic Phanerozoic Age 63.60000000000000066.400000000000 Mesozoic Phanerozoic Cretaceous Late Cretaceous Early Cretaceous Neocomian Jurassic Late Jurassic Middle Jurassic Early Jurassic Triassic Late Triassic Middle Triassic Early Triassic Era 66.400000000000000245.00000000000 Cretaceous Mesozoic Phanerozoic Late Cretaceous Maastrichtian Campanian Santonian Coniacian Turonian Cenomanian Early Cretaceous Albian Aptian Neocomian Barremian Hauterivian Valanginian Berriasian Period66.400000000000000144.00000000000 Late-Cretaceous Cretaceous Mesozoic Phanerozoic Maastrichtian Campanian Santonian Coniacian Turonian Cenomanian Epoch 66.40000000000000097.500000000000 Maastrichtian Late Cretaceous Cretaceous Mesozoic Phanerozoic alternate spelling: Maestrichtian Age 66.40000000000000074.500000000000 Campanian Late Cretaceous Cretaceous Mesozoic Phanerozoic Age 74.50000000000000084.000000000000 Santonian Late Cretaceous Cretaceous Mesozoic Phanerozoic Age 84.00000000000000087.500000000000 Coniacian Late Cretaceous Cretaceous Mesozoic Phanerozoic Age 87.50000000000000088.500000000000 Turonian Late Cretaceous Cretaceous Mesozoic Phanerozoic Age 88.50000000000000091.000000000000 Cenomanian Late Cretaceous Cretaceous Mesozoic Phanerozoic Age 91.00000000000000097.500000000000 Early-Cretaceous Cretaceous Mesozoic Phanerozoic Albian Aptian Neocomian Barremian Hauterivian Valanginian Berriasian Epoch 97.500000000000000144.00000000000 Albian Early Cretaceous Cretaceous Mesozoic Phanerozoic Age 97.500000000000000113.00000000000 Aptian Early Cretaceous Cretaceous Mesozoic Phanerozoic Age 113.00000000000000119.00000000000 Neocomian Early Cretacous Cretaceous Mesozoic Phanerozoic Barremian Hauterivian Valanginian Berriasian Epoch 119.00000000000000144.00000000000 Early-Cretaceous-Neocomian Cretaceous Mesozoic Phanerozoic Neocomian Barremian Hauterivian Valanginian Berriasian Epoch 119.00000000000000144.00000000000 Barremian Neocomian Early Cretaceous Cretaceous Mesozoic Phanerozoic Age 119.00000000000000124.00000000000 Hauterivian Neocomian Early Cretaceous Cretaceous Mesozoic Phanerozoic Age 124.00000000000000131.00000000000 Valanginian Neocomian Early Cretaceous Cretaceous Mesozoic Phanerozoic Age 131.00000000000000138.00000000000 Berriasian Neocomian Early Cretaceous Cretaceous Mesozoic Phanerozoic Age 138.00000000000000144.00000000000 Jurassic Mesozoic Phanerozoic Late Jurassic Tithonian Kimmeridgian Oxfordian Middle Jurassic Callovian Bathonian Bajocian Aalenian Early Jurassic Toarcian Pliensbachian Sinemurian Hettangian Period144.00000000000000208.00000000000 Late-Jurassic Jurassic Mesozoic Phanerozoic Tithonian Kimmeridgian Oxfordian Epoch 144.00000000000000163.00000000000 Tithonian Late Jurassic Jurassic Mesozoic Phanerozoic Age 144.00000000000000152.00000000000 Kimmeridgian Late Jurassic Jurassic Mesozoic Phanerozoic Age 152.00000000000000156.00000000000 Oxfordian Late Jurassic Jurassic Mesozoic Phanerozoic Age 156.00000000000000163.00000000000 Middle-Jurassic Jurassic Mesozoic Phanerozoic Callovian Bathonian Bajocian Aalenian Epoch 163.00000000000000187.00000000000 Callovian Middle Jurassic Jurassic Mesozoic Phanerozoic Age 163.00000000000000169.00000000000 Bathonian Middle Jurassic Jurassic Mesozoic Phanerozoic Age 169.00000000000000176.00000000000 Bajocian Middle Jurassic Jurassic Mesozoic Phanerozoic Age 176.00000000000000183.00000000000 Aalenian Middle Jurassic Jurassic Mesozoic Phanerozoic Age 183.00000000000000187.00000000000 Early-Jurassic Jurassic Mesozoic Phanerozoic Toarcian Pliensbachian Sinemurian Hettangian Epoch 187.00000000000000208.00000000000 Toarcian Early Jurassic Jurassic Mesozoic Phanerozoic Age 187.00000000000000193.00000000000 Pliensbachian Early Jurassic Jurassic Mesozoic Phanerozoic Age 193.00000000000000198.00000000000 Sinemurian Early Jurassic Jurassic Mesozoic Phanerozoic Age 198.00000000000000204.00000000000 Hettangian Early Jurassic Jurassic Mesozoic Phanerozoic Age 204.00000000000000208.00000000000 Triassic Mesozoic Phanerozoic Late Triassic Norian Carnian Middle Triassic Ladinian Anisian Early Triassic Scythian Rhaetian, Olenekian, Induan Period208.00000000000000245.00000000000 Late-Triassic Triassic Mesozoic Phanerozoic Norian Carnian Rhaetian Epoch 208.00000000000000230.00000000000 Norian Late Triassic Triassic Mesozoic Phanerozoic Rhaetian Age 208.00000000000000225.00000000000 Carnian Late Triassic Triassic Mesozoic Phanerozoic Age 225.00000000000000230.00000000000 Middle-Triassic Triassic Mesozoic Phanerozoic Ladinian Anisian Epoch 230.00000000000000240.00000000000 Ladinian Middle Triassic Triassic Mesozoic Phanerozoic Age 230.00000000000000235.00000000000 Anisian Middle Triassic Triassic Mesozoic Phanerozoic Age 235.00000000000000240.00000000000 Early-Triassic Triassic Mesozoic Phanerozoic Scythian Olenekian, Induan Epoch 240.00000000000000245.00000000000 Scythian Early Triassic Triassic Mesozoic Phanerozoic Olenekian, Induan Age 240.00000000000000245.00000000000 Paleozoic Phanerozoic Permian Late Permian Early Permian Carboniferous Pennsylvanian Late Carboniferous Mississippian Early Carboniferous Devonian Late Devonian Middle Devonian Early Devonian Silurian Late Silurian Early Silurian Ordivician Late Ordovician Middle Ordovician E Era 245.00000000000000570.00000000000 Permian Paleozoic Phanerozoic Late Permian Tatarian Kazanian Kazanian-Ufimian Ufimian Early Permian Kungurian Artinskian Sakmarian Sakmarian-Asselian Asseslian Ufimian-Kazanian Period245.00000000000000286.00000000000 Late-Permian Permian Paleozoic Phanerozoic Tatarian Ufimian Ufimian-Kazanian Kazanian Ufimian-Kazanian Epoch 245.00000000000000258.00000000000 Tatarian Late Permian Permian Paleozoic Phanerozoic Age 245.00000000000000253.00000000000 Kazanian-Ufimian Late Permian Permian Paleozoic Phanerozoic Kazanian Ufimian Ufimian-Kazanian. The two terms are lumped together as the same age with stratigraphic relativity. Age 253.00000000000000258.00000000000 Kazanian Late Permian Permian Paleozoic Phanerozoic Ufimian The Ufimian is lumped with the Kazanian as the same age and is stratigraphically older. Age 253.00000000000000258.00000000000 Ufimian Late Permian Permian Paleozoic Phanerozoic Kazanian The Kazanian is lumped with the Ufimian as the same age and is stratigraphically younger. Age 253.00000000000000258.00000000000 Early-Permian Permian Paleozoic Phanerozoic Kungurian Artinskian Sakmarian Sakmarian-Asselian Asselian Epoch 258.00000000000000286.00000000000 Kungurian Early Permian Permian Paleozoic Phanerozoic Age 258.00000000000000263.00000000000 Artinskian Early Permian Permian Paleozoic Phanerozoic Age 263.00000000000000268.00000000000 Sakmarian-Asselian Early Permian Permian Paleozoic Phanerozoic Sakmarian Asselian The two terms are lumped together as the same age with stratigraphic relativity. Age 268.00000000000000286.00000000000 Sakmarian Early Permian Permian Paleozoic Phanerozoic Asselian The Sakmarin is lumped with the Asselian as the same age and is stratigraphically younger. Age 268.00000000000000286.00000000000 Asselian Early Permian Permian Paleozoic Phanerozoic Sakmarian The Asselian is lumped with the Sakmarian as the same age and is stratigraphically older. Age 268.00000000000000286.00000000000 Carboniferous Paleozoic Phanerozoic Pennsylvanian Late Carboniferous S. Gzelian Gzelian-Kasimovian Kasimovian W. Moscovian Bashkirian N. Mississippian Early Carboniferous N. Serpukhovian Visean Tournaisian Period286.00000000000000360.00000000000 Pennsylvanian Carboniferous Paleozoic Phanerozoic Late Carboniferous S. Gzelian Gzelian-Kasimovian Kasimovian Moscovian W. Bashkirian N. Period286.00000000000000320.00000000000 Carboniferous-Pennsylvanian Carboniferous Paleozoic Phanerozoic Late Carboniferous S. Gzelian Gzelian-Kasimovian Kasimovian Moscovian W. Bashkirian N. Period286.00000000000000320.00000000000 Late-Carboniferous Pennsylvanian Carboniferous Paleozoic Phanerozoic Late Carboniferous S. Gzelian Gzelian-Kasimovian Kasimovian Moscovian W. Bashkirian N. Epoch 286.00000000000000320.00000000000 Gzelian-Kasimovian S. Late Carboniferous Pennsylvanian Carboniferous Paleozoic Phanerozoic S. Gzelian Kasimovian The two terms are lumped together as the same age with stratigraphic relativity. Age 286.00000000000000296.00000000000 S. Gzelian Gzelian-Kasimovian Kasimovian Moscovian Late Carboniferous Pennsylvanian Carboniferous Paleozoic Phanerozoic Gzelian Kasimovian Gzelian, Kasimovian, Moscovian Age 286.00000000000000296.00000000000 Gzelian S. Late Carboniferous Pennsylvanian Carboniferous Paleozoic Phanerozoic S. Kasimovian The Gzelian is lumped with the Kasimovian as the same age and is stratigraphically younger. Age 286.00000000000000296.00000000000 Moscovian S. W. Late Carboniferous Pennsylvanian Carboniferous Paleozoic Phanerozoic S. W. The Minimum and Maximum Ages are approximate and were not listed on the source. Age 290.00000000000000305.00000000000 W. Moscovian Bashkirian Late Carboniferous Pennsylvanian Carboniferous Paleozoic Phanerozoic Moscovian Bashkirian Age 296.00000000000000315.00000000000 Bashkirian W. N. Late Carboniferous Pennsylvanian Carboniferous Paleozoic Phanerozoic W. N. The Minimum Age is approximate and was not listed on the source. Age 305.00000000000000320.00000000000 N. Serpukhovian Early Carboniferous Mississippian Bashkirian Late Carboniferous Pennsylvanian Carboniferous Paleozoic PhanerozoicBashkirian Serpukhovian Age 315.00000000000000333.00000000000 Mississippian N. Carboniferous Paleozoic Phanerozoic N. Early Carboniferous Serpukhovian Visean Tournaisian Period320.00000000000000360.00000000000 Carboniferous-Mississippian N. Carboniferous Paleozoic Phanerozoic N. Early Carboniferous Serpukhovian Visean Tournaisian Period320.00000000000000360.00000000000 Early-Carboniferous N. Mississippian Carboniferous Paleozoic Phanerozoic N. Serpukhovian Visean Tournaisian Epoch 320.00000000000000360.00000000000 Serpukhovian Early Carboniferous Mississippian N. Carboniferous Paleozoic Phanerozoic N. Age 320.00000000000000333.00000000000 Visean Early Carboniferous Mississippian Carboniferous Paleozoic Phanerozoic Age 333.00000000000000352.00000000000 Tournaisian Early Carboniferous Mississippian Carboniferous Paleozoic Phanerozoic Age 352.00000000000000360.00000000000 Devonian Paleozoic Phanerozoic Late Devonian Famennian Frasnian Middle Devonian Givetian Eifelian Early Devonian Emsian Siegenian Gedinnian Praghian, Lockhovian Period360.00000000000000408.00000000000 Late-Devonian Devonian Paleozoic Phanerozoic Famennian Frasnian Epoch 360.00000000000000374.00000000000 Famennian Late Devonian Devonian Paleozoic Phanerozoic Age 360.00000000000000367.00000000000 Frasnian Late Devonian Devonian Paleozoic Phanerozoic Age 367.00000000000000374.00000000000 Middle-Devonian Devonian Paleozoic Phanerozoic Givetian Eifelian Epoch 374.00000000000000387.00000000000 Givetian Middle Devonian Devonian Paleozoic Phanerozoic Age 374.00000000000000380.00000000000 Eifelian Middle Devonian Devonian Paleozoic Phanerozoic Age 380.00000000000000387.00000000000 Early-Devonian Devonian Paleozoic Phanerozoic Emsian Siegenian Gedinnian Praghian, Lockhovian Epoch 387.00000000000000408.00000000000 Emsian Early Devonian Devonian Paleozoic Phanerozoic Age 387.00000000000000394.00000000000 Siegenian Early Devonian Devonian Paleozoic Phanerozoic Praghian Age 394.00000000000000401.00000000000 Gedinnian Early Devonian Devonian Paleozoic Phanerozoic Lockhovian Age 401.00000000000000408.00000000000 Silurian Paleozoic Phanerozoic Late Silurian Pridolian Ludlovian Early Silurian Wenlockian Llandoverian Period408.00000000000000438.00000000000 Late-Silurian Silurian Paleozoic Phanerozoic Pridolian Ludlovian Epoch 408.00000000000000421.00000000000 Pridolian Late Silurian Silurian Paleozoic Phanerozoic Age 408.00000000000000414.00000000000 Ludlovian Late Silurian Silurian Paleozoic Phanerozoic Age 414.00000000000000421.00000000000 Early-Silurian Silurian Paleozoic Phanerozoic Wenlockian Llandoverian Epoch 421.00000000000000438.00000000000 Wenlockian Early Silurian Silurian Paleozoic Phanerozoic Age 421.00000000000000428.00000000000 Llandoverian Early Silurian Silurian Paleozoic Phanerozoic Age 428.00000000000000438.00000000000 Ordovician Paleozoic Phanerozoic Late Ordovician Ashgillian Caradocian Middle Ordovician Llandeilian Llanvirnian Early Ordovician Arenigian Tremadocian Period438.00000000000000505.00000000000 Late-Ordovician Ordovician Paleozoic Phanerozoic Ashgillian Caradocian Epoch 438.00000000000000458.00000000000 Ashgillian Late Ordovician Ordovician Paleozoic Phanerozoic Age 438.00000000000000448.00000000000 Caradocian Late Ordovician Ordovician Paleozoic Phanerozoic Age 448.00000000000000458.00000000000 Middle-Ordovician Ordovician Paleozoic Phanerozoic Llandeilian Llanvirnian Epoch 458.00000000000000478.00000000000 Llandeilian Middle Ordovician Ordovician Paleozoic Phanerozoic Age 458.00000000000000468.00000000000 Llanvirnian Middle Ordovician Ordovician Paleozoic Phanerozoic Age 468.00000000000000478.00000000000 Early-Ordovician Ordovician Paleozoic Phanerozoic Arenigian Tremadocian Epoch 478.00000000000000505.00000000000 Arenigian Early Ordovician Ordovician Paleozoic Phanerozoic Age 478.00000000000000488.00000000000 Tremadocian Early Ordovician Ordovician Paleozoic Phanerozoic Age 488.00000000000000505.00000000000 Cambrian Paleozoic Phanerozoic Late Cambrian Trempealeauan Franconian Dresbachian Middle Cambrian Early Cambrian Sunwaptan, Steptoean, Marjuman, Delamaran, Dyeran, Montezuman, D Cambrian, C Cambrian, B Cambrian, A Cambrian Period505.00000000000000570.00000000000 Late-Cambrian Cambrian Paleozoic Phanerozoic Trempealeauan Franconian Dresbachian Sunwaptan, Steptoean, Marjuman, Delamaran, Dyeran, Montezuman, D Cambrian, C Cambrian, B Cambrian, A Cambrian Epoch 505.00000000000000523.00000000000 Trempealeauan-Franconian-DresbachianLate Cambrian Cambrian Paleozoic Phanerozoic Trempealeauan Franconian Dresbachian 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 505.00000000000000515.00000000000 Trempealeauan Late Cambrian Cambrian Paleozoic Phanerozoic Franconian Dresbachian 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 505.00000000000000515.00000000000 Franconian Late Cambrian Cambrian Paleozoic Phanerozoic Trempealeauan Dresbachian 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 505.00000000000000515.00000000000 Dresbachian Late Cambrian Cambrian Paleozoic Phanerozoic Trempealeauan Franconian 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 505.00000000000000515.00000000000 Middle-Cambrian Cambrian Paleozoic Phanerozoic A Cambrian. Epoch 523.00000000000000540.00000000000 Early-Cambrian Cambrian Paleozoic Phanerozoic A Cambrian. Epoch 540.00000000000000570.00000000000 Proterozoic PreCambrian PreCambrian Late Proterozoic Middle Proterozoic Early Proterozoic Algonkian. The Proterozoic is an Eon, which is a broader term than Era (the PreCambrian). Eon 570.000000000000002500.0000000000 PreCambrian Proterozoic Archean Proterozoic Late Proterozoic Middle Proterozoic Early Proterozoic Archean Late Archean Middle Archean Early 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 570.000000000000004600.0000000000 Late-Proterozoic Proterozoic PreCambrian Era 570.00000000000000900.00000000000 Middle-Proterozoic Proterozoic PreCambrian Late-Middle-Proterozoic Middle-Middle-Proterozoic Early-Middle-Proterozoic Era 900.000000000000001600.0000000000 Late-Middle-Proterozoic Proterozoic PreCambrian Middle-Proterozic Era 900.000000000000001200.0000000000 Middle-Middle-Proterozoic Proterozoic PreCambrian Middle-Proterozic Era 1200.00000000000001400.0000000000 Early-Middle-Proterozoic Proterozoic PreCambrian Middle-Proterozic Era 1400.00000000000001600.0000000000 Early-Proterozoic Proterozoic PreCambrian Era 1600.00000000000002500.0000000000 Late-Early-Proterozoic Proterozoic PreCambrian Early-Proterozic Era 1600.00000000000001800.0000000000 Middle-Early-Proterozoic Proterozoic PreCambrian Early-Proterozic Era 1800.00000000000002100.0000000000 Early-Early-Proterozoic Proterozoic PreCambrian Early-Proterozic Era 2100.00000000000002500.0000000000 Archean PreCambrian PreCambrian Late Archean Middle Archean Early 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 2500.00000000000004600.0000000000 Late-Archean Archean PreCambrian Era 2500.00000000000003000.0000000000 Middle-Archean Archean PreCambrian Era 3000.00000000000003400.0000000000 Early-Archean Archean PreCambrian The Early Archean is projected to 3800? my. The oldest rock found on Earth is believed to be 4600 my. Era 3400.00000000000004600.0000000000