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Notable events: Early Bombardment Phase
Oldest zircon minerals found
Possible first appearance of plate tectonics |
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Notable events: Stabilization of modern cratons
First stromatolites
Simple single-celled life |
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Earliest part of Earth's history. |
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Notable events: Stabilization of first continents |
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Notable events: Formation of supercontinent Rodinia
Grenville Orogeny |
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Notable events: Heavy glaciation results in possible "Snowball Earth"
Earliest fossils of multicellular lifeforms |
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Encompassing: Paleoproterozoic era Mesoproterozoic era Neoproterozoic era |
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Notable events: Gondwana supercontinent formation
Major diversification of life
Trilobites |
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Notable events: Invertebrate diversity
Early corals
Conodonts
First Mass Extinction Event (heavy ice age ~445Ma) |
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Notable events: First vascular plants
Bony fish appear |
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Notable events: The Age of Fishes
First ferns and seed-bearing plants appear
Acadian Orogeny (initial Appalachia Mtn. event)
Mass Extinction Event |
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Notable events: Large primitive trees appear
First land vertebrates
Carboniferous Rainforest Collapse (cooling climate) |
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Notable events: Large primitive trees
Land vertebrates
North American sea-level rise (transgression) |
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Notable events: Amphibians common
First reptiles
Alleghanian Orogeny (Appalachia Mtns.)
Carboniferous Rainforest Collapse (cooling climate) |
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Notable events: Formation of Pangaea
Continued Appalachian Mtn. formation
Extensive mass extinction - Siberian Traps (95% all life dies) |
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Encompassing: Cambrian Ordovician Silurian Devonian Carboniferous Permian |
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Notable events: First appearance of dinosaurs
Breakup of Pangaea drives mass extinction event |
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Notable events: "Golden Age" of dinosaurs :)
Beginning of Gondwana supercontinent breakup
Extinction of conodont |
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Notable events: Dinosaur evolution
Completion of Gondwana breakup
Laramide & Sevier Orogenies begin
K-T impact mass extinction event |
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Notable events: Age of Reptiles and Dinosaurs
Evolution of conifer trees
Breakup of Pangaea |
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Encompasses: Paleocene epoch Eocene epoch Oligocene epoch Miocene epoch Pliocene epoch |
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Encompasses: Pleistocene epoch Holocene epoch |
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Notable events: Rise of mammals
General climate cooling leads to rise in conifer forests |
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Notable events: Rise of human species
Major glaciation event
GameStop stock surge |
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