User:Jntg4Games/Geologic time scale

Mercury[edit]

Eons[edit]

Eon	Base
Prenephelean Eon	13750
Chaotian Eon	4680
Mercurian Eon	4500

Eras[edit]

Eon	Era	Base
Prenephelean Eon	Eoprenephelean Era	13750
Prenephelean Eon	Neoprenephelean Era	13600
Chaotian Eon	Eochaotian Era	4680
Chaotian Eon	Neochaotian Era	4567
Mercurian Eon	Eomercurian Era	4500
Mercurian Eon	Neomercurian Era	3850

Periods[edit]

Eon	Eras	Period	Base
Prenephelean Eon	Eoprenephelean Era		13750
Prenephelean Eon	Neoprenephelean Era		13600
Chaotian Eon	Eochaotian Era	Nephelean Period	4680
	Eochaotian Era	Erebrean Period	4630
	Neochaotian Era	Hyperitian Period	4567
	Neochaotian Era	Titanomachean Period	4560
Mercurian Eon	Eomercurian Era	Pretolstojan Period	4500
	Eomercurian Era	Tolstojan Period	3900
	Neomercurian Era	Calorian Period	3850
		Mansurian Period	3000
		Kuiperian Period	1000

Epochs[edit]

Eon	Era	Period	Epoch	Base
Prenephelean Eon	Eoprenephelean Era			13750
Prenephelean Eon	Neoprenephelean Era			13600
Chaotian Eon	Eochaotian Era	Nephelean Period		4680
	Eochaotian Era	Erebrean Period		4630
	Neochaotian Era	Hyperitian Period		4567
	Neochaotian Era	Titanomachean Period		4560
Mercurian Eon	Eomercurian Era	Pretolstojan Period		4500
	Eomercurian Era	Tolstojan Period		3900
	Neomercurian Era	Calorian Period	Early Calorian Epoch	3850
		Calorian Period	Late Calorian Epoch	3800
		Mansurian Period		3000
		Kuiperian Period		1000

Venus[edit]

Eons[edit]

Eon	Base
Prenephelean Eon	13750
Chaotian Eon	4680
Cytherean Eon	4500

Eras[edit]

Eon	Era	Base
Prenephelean Eon	Eoprenephelean Era	13750
Prenephelean Eon	Neoprenephelean Era	13600
Chaotian Eon	Eochaotian Era	4680
Chaotian Eon	Neochaotian Era	4567
Cytherean Eon	Eocytherean Era	4500
Cytherean Eon	Neocytherean Era	735

Periods[edit]

Eon	Era	Period	Base
Prenephelean Eon	Eoprenephelean Era		13750
Prenephelean Eon	Neoprenephelean Era		13600
Chaotian Eon	Eochaotian Era	Nephelean Period	4680
	Eochaotian Era	Erebrean Period	4630
	Neochaotian Era	Hyperitian Period	4567
	Neochaotian Era	Titanomachean Period	4560
Cytherean Eon	Eocytherean Era	Prefortunian Period	4500
	Eocytherean Era	Fortunian Period	800
	Neocytherean Era	Guineverian Period	735
	Neocytherean Era	Aurelian Period	50

Epochs[edit]

Eon	Era	Period	Epoch	Base
Prenephelean Eon	Eoprenephelean Era			13750
Prenephelean Eon	Neoprenephelean Era			13600
Chaotian Eon	Eochaotian Era	Nephelean Period		4680
	Eochaotian Era	Erebrean Period		4630
	Neochaotian Era	Hyperitian Period		4567
	Neochaotian Era	Titanomachean Period		4560
Cytherean Eon	Eocytherean Era	Prefortunian Period		4500
	Eocytherean Era	Fortunian Period		800
	Neocytherean Era	Guineverian Period	Sigrunian Epoch	735
			Lavinian Epoch	642.5
			Rusalkian Epoch	500
			Atlian Epoch	275
		Aurelian Period		50

Earth[edit]

Supereons[edit]

Supereon	Base
Precambrian Supereon	13750
Phanerozoic Eon	542

Eons[edit]

Supereon	Eons	Base
Precambrian Supereon	Prenephelean Eon	13750
	Chaotian Eon	4680
	Hadean Eon	4500
	Archean Eon	3900
	Proterozoic Eon	2500
Phanerozoic Eon		542

Eras[edit]

Supereon	Eons	Era	Base
Precambrian Supereon	Prenephelean Eon	Eoprenephelean Era	13750
	Prenephelean Eon	Neoprenephelean Era	13600
	Chaotian Eon	Eochaotian Era	4680
	Chaotian Eon	Neochaotian Era	4567
	Hadean Eon	Paleohadean Era	4500
		Mesohadean Era	4300
		Neohadean Era	4100
	Archean Eon	Eoarchean Era	3900
		Paleoarchean Era	3600
		Mesoarchean Era	3200
		Neoarchean Era	2800
	Proterozoic Eon	Eoproterozoic Era	2500
		Paleoproterozoic Era	2050
		Mesoproterozoic Era	1600
		Neoproterozoic Era	1000
Phanerozoic Eon		Paleozoic Era	542
		Mesozoic Era	251
		Cenozoic Era	65.5

Suberas[edit]

Supereon	Eons	Era	Subera	Base
Precambrian Supereon	Prenephelean Eon	Eoprenephelean Era		13750
	Prenephelean Eon	Neoprenephelean Era		13600
	Chaotian Eon	Eochaotian Era		4680
	Chaotian Eon	Neochaotian Era		4567
	Hadean Eon	Paleohadean Era		4500
		Mesohadean Era		4300
		Neohadean Era		4100
	Archean Eon	Eoarchean Era		3900
		Paleoarchean Era		3600
		Mesoarchean Era		3200
		Neoarchean Era		2800
	Proterozoic Eon	Eoproterozoic Era		2500
		Paleoproterozoic Era		2050
		Mesoproterozoic Era		1600
		Neoproterozoic Era		1000
Phanerozoic Eon		Paleozoic Era	Eopaleozoic Subera	542
		Paleozoic Era	Neopaleozoic Subera	416
		Mesozoic Era		251
		Cenozoic Era	Tertiary Subera	65.5
		Cenozoic Era	Quaternary Period	2.588

Periods[edit]

Supereon	Eons	Era	Subera	Period	Base
Precambrian Supereon	Prenephelean Eon	Eoprenephelean Era			13750
	Prenephelean Eon	Neoprenephelean Era			13600
	Chaotian Eon	Eochaotian Era		Nephelean Period	4680
		Eochaotian Era		Erebrean Period	4630
		Neochaotian Era		Hyperitian Period	4567
		Neochaotian Era		Titanomachean Period	4560
	Hadean Eon	Paleohadean Era		Hephaestean Period	4500
		Paleohadean Era		Jacobian Period	4400
		Mesohadean Era		Canadian Period	4300
		Mesohadean Era		Procrustean Period	4200
		Neohadean Era		Acastan Period	4100
		Neohadean Era		Promethean Period	4000
	Archean Eon	Eoarchean Era			3900
		Paleoarchean Era			3600
		Mesoarchean Era			3200
		Neoarchean Era			2800
	Proterozoic Eon	Eoproterozoic Era		Siderian Period	2500
		Eoproterozoic Era		Rhyacian Period	2300
		Paleoproterozoic Era		Orosirian Period	2050
		Paleoproterozoic Era		Statherian Period	1800
		Mesoproterozoic Era		Calymmian Period	1600
				Ectasian Period	1400
				Stenian Period	1200
		Neoproterozoic Era		Tonian Period	1000
				Cryogenian Period	850
				Ediacaran Period	630
Phanerozoic Eon		Paleozoic Era	Eopaleozoic Subera	Cambrian Period	542
				Ordovician Period	488.3
				Silurian Period	443.7
			Neopaleozoic Subera	Devonian Period	416
				Carboniferous Period	359.2
				Permian Period	299
		Mesozoic Era		Triassic Period	251
				Jurassic Period	199.6
				Cretaceous Period	65.5
		Cenozoic Era	Tertiary Subera	Paleogene Period	65.5
			Tertiary Subera	Neogene Period	23.03
			Quaternary Period		2.588

Subperiods[edit]

Supereon	Eons	Era	Subera	Period	Subperiod	Base
Precambrian Supereon	Prenephelean Eon	Eoprenephelean Era				13750
	Prenephelean Eon	Neoprenephelean Era				13600
	Chaotian Eon	Eochaotian Era		Nephelean Period		4680
		Eochaotian Era		Erebrean Period		4630
		Neochaotian Era		Hyperitian Period		4567
		Neochaotian Era		Titanomachean Period		4560
	Hadean Eon	Paleohadean Era		Hephaestean Period		4500
		Paleohadean Era		Jacobian Period		4400
		Mesohadean Era		Canadian Period		4300
		Mesohadean Era		Procrustean Period		4200
		Neohadean Era		Acastan Period		4100
		Neohadean Era		Promethean Period		4000
	Archean Eon	Eoarchean Era				3900
		Paleoarchean Era				3600
		Mesoarchean Era				3200
		Neoarchean Era				2800
	Proterozoic Eon	Eoproterozoic Era		Siderian Period		2500
		Eoproterozoic Era		Rhyacian Period		2300
		Paleoproterozoic Era		Orosirian Period		2050
		Paleoproterozoic Era		Statherian Period		1800
		Mesoproterozoic Era		Calymmian Period		1600
				Ectasian Period		1400
				Stenian Period		1200
		Neoproterozoic Era		Tonian Period		1000
				Cryogenian Period		850
				Ediacaran Period		630
Phanerozoic Eon		Paleozoic Era	Eopaleozoic Subera	Cambrian Period		542
				Ordovician Period		488.3
				Silurian Period		443.7
			Neopaleozoic Subera	Devonian Period		416
				Carboniferous Period	Mississippian Subperiod	359.2
				Carboniferous Period	Pennsylvanian Subperiod	318.1
				Permian Period		299
		Mesozoic Era		Triassic Period		251
				Jurassic Period		199.6
				Cretaceous Period		65.5
		Cenozoic Era	Tertiary Subera	Paleogene Period		65.5
			Tertiary Subera	Neogene Period		23.03
			Quaternary Period			2.588

Epochs[edit]

Supereon	Eons	Era	Subera	Period	Subperiod	Epoch	Base
Precambrian Supereon	Prenephelean Eon	Eoprenephelean Era					13750
	Prenephelean Eon	Neoprenephelean Era					13600
	Chaotian Eon	Eochaotian Era		Nephelean Period			4680
		Eochaotian Era		Erebrean Period			4630
		Neochaotian Era		Hyperitian Period			4567
		Neochaotian Era		Titanomachean Period			4560
	Hadean Eon	Paleohadean Era		Hephaestean Period			4500
		Paleohadean Era		Jacobian Period			4400
		Mesohadean Era		Canadian Period			4300
		Mesohadean Era		Procrustean Period			4200
		Neohadean Era		Acastan Period			4100
		Neohadean Era		Promethean Period			4000
	Archean Eon	Eoarchean Era					3900
		Paleoarchean Era					3600
		Mesoarchean Era					3200
		Neoarchean Era					2800
	Proterozoic Eon	Eoproterozoic Era		Siderian Period			2500
		Eoproterozoic Era		Rhyacian Period			2300
		Paleoproterozoic Era		Orosirian Period			2050
		Paleoproterozoic Era		Statherian Period			1800
		Mesoproterozoic Era		Calymmian Period			1600
				Ectasian Period			1400
				Stenian Period			1200
		Neoproterozoic Era		Tonian Period			1000
				Cryogenian Period			850
				Ediacaran Period			630
Phanerozoic Eon		Paleozoic Era	Eopaleozoic Subera	Cambrian Period		Terreneuvian Epoch	542
						Cambrian Epoch 2	521
						Cambrian Epoch 3	510
						Furongian Epoch	492
				Ordovician Period		Early Ordovician	488.3
						Middle Ordovician	471.8
						Late Ordovician	460.9
				Silurian Period		Llandovery Epoch	443.7
						Wenlock Epoch	428.2
						Ludlow Epoch	422.9
						Pridoli Epoch	418.7
			Neopaleozoic Subera	Devonian Period		Early Devonian Epoch	416
						Middle Devonian Epoch	397.5
						Late Devonian Epoch	385.3
				Carboniferous Period	Mississippian Subperiod	Early Mississippian Epoch	359.2
						Middle Mississippian Epoch	345.3
						Late Mississippian Epoch	328.2
					Pennsylvanian Subperiod	Early Pennsylvanian Epoch	318.1
						Middle Pennsylvanian Epoch	311.7
						Late Pennsylvanian Epoch	307.2
				Permian Period		Cisuralian Epoch	299
						Guadalupian Epoch	270.6
						Lopingian Epoch	260.4
		Mesozoic Era		Triassic Period		Early Triassic Epoch	251
						Middle Triassic Epoch	245.9
						Late Triassic Epoch	228.7
				Jurassic Period		Early Jurassic Epoch	199.6
						Middle Jurassic Epoch	175.6
						Late Jurassic Epoch	161.2
				Cretaceous Period		Early Cretaceous Epoch	65.5
				Cretaceous Period		Late Cretaceous Epoch	99.6
		Cenozoic Era	Tertiary Subera	Paleogene Period		Paleocene Epoch	65.5
						Eocene Epoch	55.8
						Oligocene Epoch	33.9
				Neogene Period		Miocene Epoch	23.03
				Neogene Period		Pliocene Epoch	5.332
			Quaternary Period			Pleistocene Epoch	2.588
						Holocene Epoch	0.01777
						Anthropocene Epoch	0.000212

Subepochs[edit]

Supereon	Eons	Era	Subera	Period	Subperiod	Epoch	Subepoch	Base
Precambrian Supereon	Prenephelean Eon	Eoprenephelean Era						13750
	Prenephelean Eon	Neoprenephelean Era						13600
	Chaotian Eon	Eochaotian Era		Nephelean Period				4680
		Eochaotian Era		Erebrean Period				4630
		Neochaotian Era		Hyperitian Period				4567
		Neochaotian Era		Titanomachean Period				4560
	Hadean Eon	Paleohadean Era		Hephaestean Period				4500
		Paleohadean Era		Jacobian Period				4400
		Mesohadean Era		Canadian Period				4300
		Mesohadean Era		Procrustean Period				4200
		Neohadean Era		Acastan Period				4100
		Neohadean Era		Promethean Period				4000
	Archean Eon	Eoarchean Era						3900
		Paleoarchean Era						3600
		Mesoarchean Era						3200
		Neoarchean Era						2800
	Proterozoic Eon	Eoproterozoic Era		Siderian Period				2500
		Eoproterozoic Era		Rhyacian Period				2300
		Paleoproterozoic Era		Orosirian Period				2050
		Paleoproterozoic Era		Statherian Period				1800
		Mesoproterozoic Era		Calymmian Period				1600
				Ectasian Period				1400
				Stenian Period				1200
		Neoproterozoic Era		Tonian Period				1000
				Cryogenian Period				850
				Ediacaran Period				630
Phanerozoic Eon		Paleozoic Era	Eopaleozoic Subera	Cambrian Period		Terreneuvian Epoch		542
						Cambrian Epoch 2		521
						Cambrian Epoch 3		510
						Furongian Epoch		492
				Ordovician Period		Early Ordovician		488.3
						Middle Ordovician		471.8
						Late Ordovician		460.9
				Silurian Period		Llandovery Epoch		443.7
						Wenlock Epoch		428.2
						Ludlow Epoch		422.9
						Pridoli Epoch		418.7
			Neopaleozoic Subera	Devonian Period		Early Devonian Epoch		416
						Middle Devonian Epoch		397.5
						Late Devonian Epoch		385.3
				Carboniferous Period	Mississippian Subperiod	Early Mississippian Epoch		359.2
						Middle Mississippian Epoch		345.3
						Late Mississippian Epoch		328.2
					Pennsylvanian Subperiod	Early Pennsylvanian Epoch		318.1
						Middle Pennsylvanian Epoch		311.7
						Late Pennsylvanian Epoch		307.2
				Permian Period		Cisuralian Epoch		299
						Guadalupian Epoch		270.6
						Lopingian Epoch		260.4
		Mesozoic Era		Triassic Period		Early Triassic Epoch		251
						Middle Triassic Epoch		245.9
						Late Triassic Epoch		228.7
				Jurassic Period		Early Jurassic Epoch		199.6
						Middle Jurassic Epoch		175.6
						Late Jurassic Epoch		161.2
				Cretaceous Period		Early Cretaceous Epoch		65.5
				Cretaceous Period		Late Cretaceous Epoch		99.6
		Cenozoic Era	Tertiary Subera	Paleogene Period		Paleocene Epoch	Early Paleocene Subepoch	65.5
						Paleocene Epoch	Late Paleocene Subepoch	61.1
						Eocene Epoch	Early Eocene Subepoch	55.8
							Middle Eocene Subepoch	48.6
							Late Eocene Subepoch	37.2
						Oligocene Epoch	Early Oligocene Subepoch	33.9
						Oligocene Epoch	Late Oligocene Subepoch	28.4
				Neogene Period		Miocene Epoch	Early Miocene Subepoch	23.03
							Middle Miocene Subepoch	15.97
							Late Miocene Subepoch	11.608
						Pliocene Epoch	Early Pliocene Subepoch	5.332
						Pliocene Epoch	Late Pliocene Subepoch	3.6
			Quaternary Period			Pleistocene Epoch	Early Pleistocene Subepoch	2.588
							Middle Pleistocene Subepoch	0.781
							Late Pleistocene Subepoch	0.126
						Holocene Epoch		0.01777
						Anthropocene Epoch		0.000212

Ages[edit]

Supereon	Eon	Era	Subera	Period	Subperiod	Epoch	Subepoch	Age	Base
Precambrian Supereon	Prenephelean Eon	Eoprenephelean Era							13750
	Prenephelean Eon	Neoprenephelean Era							13600
	Chaotian Eon	Eochaotian Era		Nephelean Period					4680
		Eochaotian Era		Erebrean Period					4630
		Neochaotian Era		Hyperitian Period					4567
		Neochaotian Era		Titanomachean Period					4560
	Hadean Eon	Paleohadean Era		Hephaestean Period					4500
		Paleohadean Era		Jacobian Period					4400
		Mesohadean Era		Canadian Period					4300
		Mesohadean Era		Procrustean Period					4200
		Neohadean Era		Acastan Period					4100
		Neohadean Era		Promethean Period					4000
	Archean Eon	Eoarchean Era							3900
		Paleoarchean Era							3600
		Mesoarchean Era							3200
		Neoarchean Era							2800
	Proterozoic Eon	Eoproterozoic Era		Siderian Period					2500
		Eoproterozoic Era		Rhyacian Period					2300
		Paleoproterozoic Era		Orosirian Period					2050
		Paleoproterozoic Era		Statherian Period					1800
		Mesoproterozoic Era		Calymmian Period					1600
				Ectasian Period					1400
				Stenian Period					1200
		Neoproterozoic Era		Tonian Period					1000
				Cryogenian Period					850
				Ediacaran Period					630
Phanerozoic Eon		Paleozoic Era	Eopaleozoic Subera	Cambrian Period		Terreneuvian Epoch		Fortunian Age	542
						Terreneuvian Epoch		Cambrian Age 2	528
						Cambrian Epoch 2		Cambrian Age 3	521
						Cambrian Epoch 2		Cambrian Age 4	515
						Cambrian Epoch 3		Cambrian Age 5	510
								Drumian Age	506.5
								Guzhangian Age	503
						Furongian Epoch		Paibian Age	499
								Jiangshanian Age	496
								Cambrian Age 10	492
				Ordovician Period		Early Ordovician Epoch		Tremadocian Age	488.3
						Early Ordovician Epoch		Floian Age	478.6
						Middle Ordovician Epoch		Dapingian Age	471.8
						Middle Ordovician Epoch		Darriwillian Age	468.1
						Late Ordovician Epoch		Sandbian Age	460.9
								Katian Age	455.8
								Hirnantian Age	445.6
				Silurian Period		Llandovery Epoch		Rhuddanian Age	443.7
								Aeronian Age	439
								Telychian Age	436
						Wenlock Epoch		Sheinwoodian Age	428.2
						Wenlock Epoch		Homerian Age	426.2
						Ludlow Epoch		Gorstian Age	422.9
						Ludlow Epoch		Ludfordian Age	421.3
						Pridoli Epoch			418.7
			Neopaleozoic Subera	Devonian Period		Early Devonian Epoch		Lockhovian Age	416
								Pragian Age	411.2
								Emsian Age	407
						Middle Devonian Epoch		Eifelian Age	397.5
						Middle Devonian Epoch		Givetian Age	391.8
						Late Devonian Epoch		Frasnian Age	385.3
						Late Devonian Epoch		Famennian Age	374.5
				Carboniferous Period	Mississippian Subperiod	Early Mississippian Epoch		Tournaisian Age	359.2
						Middle Mississippian Epoch		Visean Age	345.3
						Late Mississippian Epoch		Serpukhovian Age	328.3
					Pennsylvanian Subperiod	Early Pennsylvanian Epoch		Bashkirian Age	318.1
						Middle Pennsylvanian Epoch		Moscovian Age	311.7
						Late Pennsylvanian Epoch		Kasimovian Age	307.2
						Late Pennsylvanian Epoch		Gzhelian Age	303.4
				Permian Period		Cisuralian Epoch		Asselian Age	299
								Sakmarian Age	294.6
								Artinskian Age	284.4
								Kungrian Age	275.6
						Guadalupian Epoch		Roadian Age	270.6
								Wordian Age	268
								Capitanian Age	265.8
						Lopingian Epoch		Wuchiapingian Age	260.4
						Lopingian Epoch		Changhsingian Age	253.8
		Mesozoic Era		Triassic Period		Early Triassic Epoch		Induan Age	251
						Early Triassic Epoch		Olenekian Age	249.5
						Middle Triassic Epoch		Anisian Age	245.9
						Middle Triassic Epoch		Ladinian Age	237
						Late Triassic Epoch		Carnian Age	228.7
								Norian Age	216.5
								Rhaetian Age	203.6
				Jurasic Period		Early Jurassic Epoch		Hettangian Age	199.6
								Sinemurian Age	196.5
								Pliensbachian Age	189.6
								Toarcian Age	183
						Middle Jurassic Epoch		Aalenian Age	175.6
								Bajocian Age	171.6
								Bathonian Age	167.7
								Callovian Age	164.7
						Late Jurassic Epoch		Oxfordian Age	161.2
Kimmeridgian Age	155.6
Tithonian Age	150.8
Cretaceous Period				Early Cretaceous Epoch		Berriasian Age	145.5
						Valanginian Age	140.2
						Hauterivian Age	133.9
						Barremian Age	130
						Aptian Age	125
						Albian Age	112
				Late Cretaceous Epoch		Cenomanian Age	99.6
						Turonian Age	93.6
						Coniacian Age	88.6
						Santonian Age	85.8
						Campanian Age	83.5
						Maastrichtian Age	70.6
Cenozoic Era	Tertiary Subera	Paleogene Period		Paleocene Epoch	Early Paleocene Subepoch	Danian Age	65.5
					Late Paleocene Subepoch	Selandian Age	61.1
					Late Paleocene Subepoch	Thanetian Age	58.7
				Eocene Epoch	Early Eocene Subepoch	Ypresian Age	55.8
					Middle Eocene Subepoch	Lutetian Age	48.6
					Middle Eocene Subepoch	Bartonian Age	40.4
					Late Eocene Subepoch	Priabonian Age	37.2
				Oligocene Epoch	Early Oligocene Subepoch	Rupelian Age	33.9
				Oligocene Epoch	Late Oligocene Subepoch	Chattian Age	28.4
		Neogene Period		Miocene Epoch	Early Miocene Subepoch	Aquitanian Age	23.03
					Early Miocene Subepoch	Burdigalian Age	20.43
					Middle Miocene Subepoch	Langhian Age	15.97
					Middle Miocene Subepoch	Serravallian Age	13.82
					Late Miocene Subepoch	Tortonian Age	11.608
					Late Miocene Subepoch	Messinian Age	7.246
				Pliocene Epoch	Early Pliocene Subepoch	Zanclean Age	5.332
				Pliocene Epoch	Late Pliocene Subepoch	Piacenzian Age	3.6
	Quaternary Period			Pleistocene Epoch	Early Pleistocene Subepoch	Gelasian Age	2.588
					Early Pleistocene Subepoch	Calabrian Age	1.806
					Middle Pleistocene Subepoch	Ionian Age	0.781
					Late Pleistocene Subepoch	Tarantian Age	0.126
				Holocene Epoch			0.0117
				Anthropocene Epoch			0.000212

Moon[edit]

Eons[edit]

Eon	Base
Prenephelean Eon	13750
Chaotian Eon	4680
Lunarian Eon	4500

Eras[edit]

Eon	Era	Base
Prenphelean Eon	Eoprenephelean Era	13750
Prenphelean Eon	Neoprenephelean Era	13600
Chaotian Eon	Eochaotian Era	4680
Chaotian Eon	Neochaotian Era	4567
Lunarian Eon	Eolunarian Era	4500
Lunarian Eon	Neolunarian Era	3200

Periods[edit]

Eon	Era	Period	Base
Prenphelean Eon	Eoprenephelean Era		13750
Prenphelean Eon	Neoprenephelean Era		13600
Chaotian Eon	Eochaotian Era	Nephelean Period	4680
	Eochaotian Era	Erebrean Period	4630
	Neochaotian Era	Hyperitian Period	4567
	Neochaotian Era	Titanomachean Period	4500
Lunarian Eon	Eolunarian Era	Prenectarian Period	4500
		Nectarian Period	3920
		Imbrian Period	3850
	Neolunarian Era	Eratosthenian Period	3200
	Neolunarian Era	Copernican Period	1100

Epoch[edit]

Eon	Era	Period	Epoch	Base
Prenphelean Eon	Eoprenephelean Era			13750
Prenphelean Eon	Neoprenephelean Era			13600
Chaotian Eon	Eochaotian Era	Nephelean Period		4680
	Eochaotian Era	Erebrean Period		4630
	Neochaotian Era	Hyperitian Period		4567
	Neochaotian Era	Titanomachean Period		4500
Lunarian Eon	Eolunarian Era	Prenectarian Period	Cryptic Epoch	4500
		Prenectarian Period	Basin Groups Epoch	4172
		Nectarian Period		3920
		Imbrian Period	Early Imbrian Epoch	3850
		Imbrian Period	Late Imbrian Epoch	3800
	Neolunarian Era	Eratosthenian Period		3200
	Neolunarian Era	Copernican Period		1100

Mars[edit]

Crater Density[edit]

Eons[edit]

Eon	Base
Prenephelean Eon	13750
Chaotian Eon	4680
Arean Eon	4500

Eras[edit]

Eon	Era	Base
Prenephelean Eon	Eoprenephelean Era	13750
Prenephelean Eon	Neoprenephelean Era	13600
Chaotian Eon	Eochaotian Era	4680
Chaotian Eon	Neochaotian Era	4567
Arean Eon	Eoarean Era	4500
Arean Eon	Neoarean Era	3700

Periods[edit]

Eon	Era	Period	Base
Prenephelean Eon	Eoprenephelean Era		13750
Prenephelean Eon	Neoprenephelean Era		13600
Chaotian Eon	Eochaotian Era	Nephelean Period	4680
	Eochaotian Era	Erebrean Period	4630
	Neochaotian Era	Hyperitian Period	4567
	Neochaotian Era	Titanomachean Period	4560
Arean Eon	Eoarean Era	Prenoachian Period	4500
	Eoarean Era	Noachian Period	4100
	Neoarean Era	Hesperian Period	3700
	Neoarean Era	Amazonian Period	3000

Epochs[edit]

Eon	Era	Period	Epoch	Base
Prenephelean Eon	Eoprenephelean Era			13750
Prenephelean Eon	Neoprenephelean Era			13600
Chaotian Eon	Eochaotian Era	Nephelean Period		4680
	Eochaotian Era	Erebrean Period		4630
	Neochaotian Era	Hyperitian Period		4567
	Neochaotian Era	Titanomachean Period		4560
Arean Eon	Eoarean Era	Prenoachian Period		4500
		Noachian Period	Early Noachian Epoch	4100
			Middle Noachian Epoch	3930
			Late Noachian Epoch	3820
	Neoarean Era	Hesperian Period	Early Hesperian Epoch	3700
		Hesperian Period	Late Hesperian Epoch	3400
		Amazonian Period	Early Amazonian Epoch	3000
			Middle Amazonian Epoch	1400
			Late Amazonian Epoch	300

Mineral Alteration[edit]

Eons[edit]

Eon	Base
Prenephelean Eon	13750
Chaotian Eon	4680
Arean Eon	4500

Eras[edit]

Eon	Era	Base
Prenephelean Eon	Eoprenephelean Era	13750
Prenephelean Eon	Neoprenephelean Era	13600
Chaotian Eon	Eochaotian Era	4680
Chaotian Eon	Neochaotian Era	4567
Arean Eon		4500

Periods[edit]

Eon	Era	Period	Base
Prenephelean Eon	Eoprenephelean Era		13750
Prenephelean Eon	Neoprenephelean Era
Chaotian Eon	Eochaotian Era	Nephelean Period	4680
	Eochaotian Era	Erebrean Period	4630
	Neochaotian Era	Hyperitian Period	4567
	Neochaotian Era	Titanomachean Period	4560
Arean Eon		Phyllocian Period	4500
		Theiikian Period	4000
		Siderikan Period	3500

Inter-planetary[edit]

Periods[edit]

Mercury	Venus	Earth	Moon	Mars	Base
Eoprenephelean Era					13750
Neoprenephelean Era					13600
Nephelean Period					4680
Erebrean Period					4630
Hyperitian Period					4567
Titanomachean Period					4500
Pretolstojan Period	Prefortunian Period	Hephaestean Period	Prenectarian Period	Prenoachian Period	4500
		Jacobian Period			4400
		Canadian Period			4300
		Procrustean Period			4200
		Acastan Period		Noachian Period	4100
		Promethean Period			4000
		Promethean Period	Nectarian Period		3920
Tolstojan Period		Eoarchean Era	Nectarian Period		3900
Calorian Period			Imbrian Period		3850
				Hesperian Period	3700
		Paleoarchean Era			3600
		Mesoarchean Era	Eratosthenian Period		3200
Mansurian Period		Mesoarchean Era		Amazonian Period	3000
		Neoarchean Era			2800
		Siderian Period			2500
		Rhyacian Period			2300
		Orosirian Period			2050
		Statherian Period			1800
		Calymmian Period			1600
		Ectasian Period			1400
		Stenian Period			1200
		Stenian Period	Copernican Period		1100
Kuiperian Period		Tonian Period			1000
		Cryogenian Period			850
	Fortunian Period				800
	Guineverian Period				735
		Ediacaran Period			630
		Cambrian Period			542
		Ordovician Period			488.3
		Silurian Period			443.7
		Devonian Period			416
		Carboniferous Period			359.2
		Permian Period			299
		Triassic Period			251
		Jurassic Period			199.6
		Cretaceous Period			145.5
		Paleogene Period			65.5
	Aurelian Period	Paleogene Period			50
		Neogene Period			23.03
		Quaternary			2.558