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  1. Lithosphere - Wikipedia

    Earth's lithosphere, which constitutes the hard and rigid outer vertical layer of the Earth, includes the crust and the lithospheric mantle (or mantle lithosphere), the uppermost part of the mantle …

  2. Lithosphere - National Geographic Society

    Nov 29, 2023 · The lithosphere is the solid, outer part of Earth. The lithosphere includes the brittle upper portion of the mantle and the crust, the outermost layers of Earth’s structure. It is …

  3. Lithosphere | Definition & Facts | Britannica

    Nov 27, 2025 · Lithosphere, rigid, rocky outer layer of Earth, consisting of the crust and the solid outermost layer of the upper mantle. It extends to a depth of about 60 miles (100 km). The …

  4. A Complete Guide to Earth’s Lithosphere - Geology Base

    Nov 29, 2023 · The lithosphere is the Earth's outermost, rigid solid layer, with the crust and brittle upper mantle. It is divided into tectonic plates.

  5. Lithosphere Definition - Intro to Geology Key Term | Fiveable

    The lithosphere is the rigid outer layer of the Earth, composed of the crust and the uppermost portion of the mantle. It plays a crucial role in the movement of tectonic plates, which interact …

  6. Lithosphere and Asthenosphere - Geology In

    The lithosphere is the Earth’s hard, rigid, outermost rocky shell. The asthenosphere is a softer, more malleable layer that enables the dynamic movement of the tectonic plates.

  7. Lithosphere | Definition, Types, Layers & Components

    Explore the Earth's lithosphere — its definition, types, layers, components, and interaction with other spheres. Learn how tectonic plates shape our planet's surface.

  8. The Earth's Layers Lesson #1 | Volcano World

    The Four Layers The Earth is composed of four different layers. Many geologists believe that as the Earth cooled the heavier, denser materials sank to the center and the lighter materials rose …

  9. LITHOSPHERE Definition & Meaning - Merriam-Webster

    The meaning of LITHOSPHERE is the solid part of a celestial body (such as the earth); specifically : the outer part of the solid earth composed of rock essentially like that exposed at …

  10. Lithosphere - Simple English Wikipedia, the free encyclopedia

    A lithosphere (Ancient Greek: λίθος [lithos] for "rocky", and σφαίρα [sphaira] for "sphere") is the rigid, [1] outermost shell of a terrestrial-type planet or natural satellite which is defined by its …