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Hadean Eon
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Archean Eon
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Proterozoic Eon
Volcanic activity in S.E. Mo. (Inorganic) -
Phanerozoic Eon
All events during this last eon. - 9/10 of Earth's history. (Inorganic)
Each area listed in text follows chronilogically. =) -
Paleozoic Era
Periods Include:
Cambrian - Appalachian Mtns. form (Inorganic)
Ordovician - Humans Ozarks Uplifted(Inorganic) , Steep bluffs form along rivers. (Inorganic)
Silurian -
Devovnian - First abundant fish, (Organic) Coal deposits form (Inorganic), First Forests, (Organic), Ozarks eroded & covered repeatedly (Inorganic)
Mississippian/Pennsylvanian - Crinoids abundant in Mo.
Carboniferous - Missouri covered by seas (Inorganic)
Permian - Age of Reptiles, (Organic) Trilobites abundant (Organic) -
Mesozoic Era
- Only simple marine life (Organic) Periods: Triassic - Pangaea breaks up (Inorganic) Jurassic - Cretaceous - Ancient Birds, (Organic) Age of Dinosaurs (Organic)
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Cenozoic Era
Age of Mammals/Birds (Organic) -
Paleogene Period
Epochs include:
Paleocene -
Eocene - Last major uplift of Ozarks (Inorganic) -listed between 7 to 50 million years ago.
Oligocene - FIrst Superlarge mammals (Organic) -
Neogene Period
Epochs:
Miocene - Himalaya Mtns. form (Inorganic)
Pliocene - Most recent Ice Ages (Inorganic), Rocky Mtns. form(Inorganic)
Holocene - Pangaea forms (Inorganic) -
Steep bluffs.
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Ozarks.
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First abundant fish.
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Trilobite
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Present Day
Mubeen makes-up for his horrible study guide grade. =)
