Formation of the Earth
Category: Наука
Обновлено: 1 ч назад
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Created byCameron Cathey
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4.4 Billion Years Ago
-Surface of the Earth cools and solidifies
-Water begins to form4 Billion Years Ago
-“Water World”
-90% of the Earth is covered by water2.5 Billion Years Ago
-Stromatolites fill the atmosphere with oxygen
-25% Earth’s surface is covered by land1.5 Billion Years Ago
- increase in oxygen makes the sky and ocean blue3.4 Billion Years Ago
-Granite is first formed
-Continents begin to take shape1 Billion Years Ago
-Rodinia forms
-The second supercontinent is formed by the collision of all continents700 Million Year Ago
-“Snowball Earth”
-Ice covers the entire Earth killing almost all its life650 Million Years Ago
-Volcanic eruptions tear Rodinia apart
-Ice moves to the poles4.5 Billion Years Ago
-Earth formed from meteors colliding
-Surface is an ocean of molten rock
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