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Plate Tectonics and Geology Concepts

Geology10 CardsCreated 23 days ago

This deck covers essential concepts related to plate tectonics, geological formations, and related terminology.

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What is Plate Tectonics?

The theory that Earth’s outer shell is broken into moving plates.

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Key Terms

Term
Definition
What is Plate Tectonics?
The theory that Earth’s outer shell is broken into moving plates.
What is a Plate Boundary?
The place where two tectonic plates meet.
Define Divergent Boundary.
A boundary where plates move away from each other.
Define Convergent Boundary.
A boundary where plates move toward each other.
What happens at a Transform Boundary?
A boundary where plates slide past each other.
What is the Lithosphere?
The rigid outer layer of Earth (crust + upper mantle).

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Plate Tectonics and Geology Concepts
TermDefinition
What is Plate Tectonics?
The theory that Earth’s outer shell is broken into moving plates.
What is a Plate Boundary?
The place where two tectonic plates meet.
Define Divergent Boundary.
A boundary where plates move away from each other.
Define Convergent Boundary.
A boundary where plates move toward each other.
What happens at a Transform Boundary?
A boundary where plates slide past each other.
What is the Lithosphere?
The rigid outer layer of Earth (crust + upper mantle).
Describe the Asthenosphere.
The soft, weak layer under the lithosphere where plates move.
What is Subduction?
When one tectonic plate sinks beneath another.
Explain Sea Floor Spreading.
New ocean crust forms as magma rises at mid-ocean ridges.
What is the difference between Ocean Crust and Continental Crust?
Ocean crust is the thin crust under the ocean, while continental crust is the thicker crust that makes up continents.