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Earth's History

TermDefinition
Index Fossils A fossil that is useful for dating and correlating the strata in which it is found.
Lithosphere The rigid outer part of the earth, consisting of the crust and upper mantle.
Extinction The state or process of a species, family, or larger group being or becoming extinct.
Unconformities : A surface of contact between two groups of unconformable strata.
Divergent Tending to be different or develop in different directions.
Convergent Coming closer together, especially in characteristics or ideas.
Transform Make a thorough or dramatic change in the form, appearance, or character of.
Faults : A planar fracture or discontinuity in a volume of rock, across which there has been significant displacement as a result of rock mass movement.
Plate Tectonics A theory explaining the structure of the earth's crust and many associated phenomena as resulting from the interaction of rigid lithospheric plates that move slowly over the underlying mantle.
Continental Drift A theory that explained how continents shift position on Earth's surface.
Created by: briannahildreth
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