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  1. Earth's mantle - Wikipedia

    Earth's upper mantle is divided into two major rheological layers: the rigid lithospheric mantle (the uppermost mantle), and the more ductile asthenosphere, separated by the lithosphere …

  2. Mantle - National Geographic Society

    The mantle is the mostly solid bulk of Earth's interior. The mantle lies between Earth's dense, super-heated core and its thin outer layer, the crust. The mantle is about 2,900 kilometers (1,802 miles) …

  3. MANTLE Definition & Meaning - Merriam-Webster

    Mantel in modern English largely does one job: it refers to the shelf above a fireplace. You can remember it by thinking of the "el" in both mantel and shelf. Mantle on the other hand, does many …

  4. Mantle of the Earth - Geology In

    The Earth's mantle, a thick layer of semi-molten rock sandwiched between the crust and the core, constitutes the bulk of the planet's volume and mass. This dynamic zone drives key geological …

  5. The Role of Earth’s Mantle in Geological Activity

    Jun 15, 2025 · Beneath our cities, forests, oceans, and deserts lies a vast, restless engine of molten rock and shifting power. It is the Earth’s mantle—a thick, complex layer that quietly shapes the …

  6. What is Mantle Earth? - The Institute for Environmental Research and ...

    Jun 18, 2025 · The Earth’s mantle is the thickest layer, residing between the crust and the core, constituting about 84% of Earth’s volume. Composed predominantly of silicate rocks rich in iron and …

  7. The Mantle: What It Is and Its Role in Earth’s Processes

    The Earth’s mantle is the expansive layer situated between the planet’s thin outer crust and its central core. It begins approximately 7 to 35 kilometers (4.3 to 21.7 miles) beneath the surface, extending …

  8. MANTLE definition and meaning | Collins English Dictionary

    A mantle of something is a layer of it covering a surface, for example a layer of snow on the ground.

  9. 6 Fascinating Facts About the Earth's Mantle - ThoughtCo

    May 18, 2025 · The mantle is the thick layer of hot, solid rock between the Earth's crust and the molten iron core. It makes up the bulk of the Earth, accounting for two-thirds of the planet's mass.

  10. Chemical element - Mantle, Composition, Structure | Britannica

    Nov 29, 2025 · Chemical element - Mantle, Composition, Structure: The mantle comprises that part of the Earth between the Mohorovičić and the Wiechert–Gutenberg discontinuities.