Earth Layers & Isostasy

For an introductory college-level earth sciences class: a review of Earth's layers -- crust, mantle, inner core, outer core, asthenosphere, lithosphere -- including their thicknesses, compositions, and basic properties (+the description of the moho: the boundary between the crust and mantle). We also discuss how the Earth's crust and lithosphere rise and fall isostatically as weight is added or removed.

**This video comes near the beginning of the semester. For a full playlist, refer to the Oceanography or Geology playlists on the Earth Rocks! YouTube Channel.

Content within this video is based on information available in any standard introductory college oceanography or geology textbook, such as Essentials of Oceanography -- Trujillo and Thurman -- OR Essentials of Geology -- Tarbuck and Lutgens -- Pearson Publishing.

Part of a 7-part Plate Tectonics video series:
Part 1: Earth Layers & Isostasy
Part 2: Plate Tectonics Basics
Part 3: Plate Tectonics Global Impacts
Part 4: Plate Tectonics and California Geology
Part 5: Hotspots
Part 6: Paleomagnetism
Part 7: Hydrothermal Vents

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