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ASTHENOSPHERE [asˈTHenəˌsfir]

NOUN

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1. Asthenosphere, zone of Earth’s mantle lying beneath the lithosphere and believed to be much hotter and more fluid than the lithosphere. The Asthenosphere extends from about 100 km (60 miles) to about 700 km (450 miles) below Earth’s surface

2. Definition of Asthenosphere : a zone of a celestial body (such as the earth) which lies beneath the lithosphere and within which the material is believed to yield readily to persistent stresses Other Words from Asthenosphere Example Sentences Learn More …

3. The Asthenosphere lies beneath the lithosphere and consists of partially molten rock. Seismic waves passing through this layer are significantly slowed

4. Isostatic adjustments (the depression or uplift of continents by buoyancy) take place in the Asthenosphere, and magma is believed to be generated there

5. The Asthenosphere (from Greek asthenēs 'weak' + sphere) is the mechanically weak ductily-deforming region of the upper mantle of the Earth

6. 1 Characteristics 2 Historical 3 References 4 External links The Asthenosphere is a portion of

7. The Asthenosphere In Plate Tectonic Theory The Asthenosphere is now thought to play a critical role in the movement of plates across the face of Earth's surface. According to plate tectonic theory, the lithosphere consists of a relatively small number of very large slabs of rocky material.

8. The Asthenosphere is the layer of the Earth that lies below the lithosphere. It is a layer of solid rock where the extreme pressure and heat cause the rocks to flow like a liquid

9. The rocks in the Asthenosphere are not as dense as the rocks in the lithosphere.

10. The Asthenosphere is a mechanically weak layer beneath the lithosphere characterized by low seismic wave velocities and high attenuation (Karato, 2012)

11. Asthenosphere - the lower layer of the crust layer - a relatively thin sheetlike expanse or region lying over or under another crust, Earth's crust - the outer layer of the Earth

12. ♦ The Asthenosphere is composed of matter in the molten or semi-molten state

13. The Asthenosphere is solid upper mantle material that is so hot that it behaves plastically and can flow

14. The lithosphere rides on the Asthenosphere.

15. The Asthenosphere lies beneath the lithosphere and consists of partially molten rock

16. Isostatic adjustments (the depression or uplift of continents by buoyancy) take place in the Asthenosphere, and magma is believed to be generated there

17. Examples of Asthenosphere in a sentence, how to use it

18. As nouns the difference between mantle and Asthenosphere is that mantle is a piece of clothing somewhat like an open robe or cloak, especially that worn by orthodox bishops while Asthenosphere is (geology) the zone of the earth's upper mantle, below the lithosphere

19. What is the Asthenosphere? There are many misconceptions about the Asthenosphere

20. The Asthenosphere is the depth in the earth where heat from the core begins to melt the crust

21. The Asthenosphere, in its capacity as a quasi-liquid, has convection currents that extend throughout its whole surface, under the entire area of the plates

22. THE GREATEST SHOW ON EARTH The Asthenosphere, in its capacity as a quasi-liquid, has convection currents that extend throughout its whole surface, under the entire area of the plates.

23. Synonyms for Asthenosphere in Free Thesaurus

24. 3 words related to Asthenosphere: layer, crust, Earth's crust

25. What are synonyms for Asthenosphere?

26. Asthenosphere (ăsthēn`əsfēr), region in the upper mantle of the earth's interior, characterized by low-density, semiplastic (or partially molten) rock material chemically similar to the overlying lithosphere lithosphere, brittle uppermost shell of the earth, broken into a number of tectonic plates

27. The Asthenosphere is the region of the upper earth considered to be mechanically weak

28. The boundary where the lithosphere and Asthenosphere meet is referred to as the LAB

29. Most of the Asthenosphere is solid but could be melted depending on its location.

30. The Asthenosphere is solid upper mantle material that is so hot that it behaves plastically and can flow

31. The lithosphere rides on the Asthenosphere

32. The Asthenosphere is a solid but it can flow, like toothpaste.

33. At the dawn of plate tectonics the concept of a weak Asthenosphere layer sandwiched between strong overlying plates and more viscous underlying mantle was widely accepted, albeit vaguely defined

34. The Asthenosphere lies beneath the lithosphere

35. Asthenosphere and Lithosphere constitute the outmost concentric layers of our earth

36. The layer of earth that is just below Lithosphere and goes deeper inside the surface is known as Asthenosphere

37. The Asthenosphere is the ductile part of the earth just below the lithosphere, including the upper mantle.The Asthenosphere is about 180 km thick.

38. The Asthenosphere is mostly solid except for a few regions that have half molten rocks and are thus semi-fluid

39. The concept of the Asthenosphere came in 1926.

40. The seismic waves, the speed of which decreases with the softness of the medium, passed relatively slowly though the Asthenosphere, thus it was given the name Low Velocity zone, or the Seismic Wave Guide (see seismology)

41. Deep-zone earthquakes, i.e., those that occur in the Asthenosphere or below it, may be caused by crustal plates sinking into

42. The Asthenosphere is found between 50 to a few hundred miles below the lithosphere

43. The Lithosphere-Asthenosphere boundary is defined by a difference in response to stress: the lithosphere remains rigid for very long periods of geologic time in which it deforms elastically and through brittle failure, while the Asthenosphere deforms viscously and accommodates strain through plastic deformation.

44. Asthenosphere (a:without; stheno:strength) is the weak and easily deformed layer of the Earth that acts as a “lubricant” for the tectonic plates to slide over

45. The Asthenosphere extends from 100 km depth to 660 km beneath the Earth's surface

46. Beneath the Asthenosphere is the mesosphere, another strong layer

47. The lithosphere is made of the brittle crust and uppermost mantle and lies on the plastic Asthenosphere

48. Learn about the two distinct regions of the Mantle, the lithosphere and Asthenosphere

49. Asthenosphere (n.) layer of the Earth's upper mantle, 1914, literally "sphere of weakness" (by comparison with the lithosphere), from Greek asthenes "weak" (see asthenia) + sphere.

50. The Asthenosphere is the bottom half of the mantle

51. This hot molasses substance will be forced into the lithosphere causing the liquid to cool off into rock, only to be forced back into the Asthenosphere causing the rock to melt

52. Asthenosphere uplift indicates the deep adjustment process during the interaction of plates, and also shows the adjusting process of gravitational equilibrium between upper layer of crust and mantle

53. The differential movement of lithosphere and Asthenosphere causes the …

54. Asthenosphere basement lithosphere Which layer of the earth's crust am I? a thin semifluid layer of the earth (100–200 km thick), below the outer rigid lithosphere, forming part of the mantle and thought to be able to flow vertically and horizontally, enabling sections of lithosphere to subside, rise, and undergo lateral movement

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FAQ?

What is the difference between asthenosphere and mesosphere?

mesosphere

How to use "asthenosphere" in a sentence?

asthenosphere in a sentence

  • It was found that the asthenosphere had invaded the overlying lithosphere.
  • Similarly, Earth's lithosphere " floats " in the asthenosphere.
  • At that depth, craton roots extend into the asthenosphere.
  • The space left behind by departing lithosphere is filled by upwelling asthenosphere.
  • The asthenosphere erodes the lower levels of the Plateau.
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    What elements make up the asthenosphere?

    The asthenosphere is part of a gigantic layer that takes up a full 2/3 of the Earth's radius: the mantle. The asthenosphere is part of the upper mantle, closest to the crust. The upper mantle is made of magma and hot silicon, iron, magnesium, and oxygen.

    What is an example of asthenosphere?

    Examples of asthenosphere in a Sentence. Recent Examples on the Web. These pieces, divided between older continental crust and younger oceanic crust, ride atop the gooey asthenosphere, a semiliquid layer of magma and partly melted rock.

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