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10 Cards in this Set

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  • Back
Earth layers
Core, Crust, Lithosphere, uppermost mantle, and Asthenosphere.
Core
The deepest inner portion of earth, representing 1/3 of it's entire mass (differentiated into two zones).
Crust
Earth's outer shell of crystalline surface rock, ranging from 5 to 60km (3 to 38mi) in thickness from oceanic crust to mountine ranges.
Uppermost mantle
Is solid and makes up the lithosphere, approximately 45-70km thick.
Asthenosphere
Region of the upper mantle right blow the Lithosphere, is known as the plastic layer, and flows very slow under extrem heat/ pressure.
Rock cycle
The interelationship among the three rock forming processes, and it shows how each rock could transfrom to other rocks.
Main rock type and formation
Igneous, Sedimentary, and Metamorphic.
Igneous rock
Has soildified and crystallied from from hot molten state (either magma or lava).
Sedimentary rock
Formed from the compaction, cementation, and hardening of sediments derived from other rocks.
Metamorphic rock
Existing igneous and sedimentary rock that has undergone pround physical and chemical changes under increse presure and temperature.