Soft weak upper portion of the mantle
WebAnswer: The asthenosphere is known to be for its weak layer in the upper mantle. The asthenosphere is made of solid rock, when given heat and pressure, the rocks flow like a liquid. ... Below the crust is the upper mantle, with the upper-most portion referred to as the asthenosphere. The upper mantle is liquid rock, and very hot. ... WebThis upper portion of the mantle, which is known as the lithospheric mantle, has an average density of about 3.3 grams per cubic cm (0.12 pound per cubic inch). The asthenosphere, …
Soft weak upper portion of the mantle
Did you know?
Weba. Lower mantle i. a.k.a., mesosphere ii. 2100 km thick iii. Hot, semi-solid rock iv. Consistency of hot asphalt b. Upper mantle i. Composed of two parts 1. Asthenosphere is … WebDec 2, 2024 · The highly viscous, weak upper part of the Mantle is- a) - Brainly.in. 02.12.2024. Geography. Primary School. answered. The highly viscous, weak upper part …
WebFeb 22, 2024 · Request PDF Weak upper-mantle base revealed by postseismic deformation of a deep earthquake Mantle viscosity plays a key role in the Earth’s internal dynamics … WebDec 6, 1990 · THE rheological properties of the upper mantle, important in convective and tectonic processes, have long been studied through low-pressure creep experiments on …
WebWhat is the upper and lower mantle called? The uppermost layer of the mantle and the crust tend to act together as a rigid shell. Together they are called the lithosphere, the "sphere of rock". The lower level of the mantle is called the asthenosphere and it is softer and weaker, particularly in its upper portion where a small amount of melting ... WebMar 10, 2012 · The upper mantle is composed of the igneous rock peridotite (olivine, pyroxene, and garnet) and the igneous/metamorphic rock eclogite (pyroxene and garnet). …
WebFeb 4, 2024 · According to Wikipedia, one of the unique traits of the upper mantle is its movement. Due to the temperature differences between the surface of the Earth and outer …
WebAug 30, 2024 · The answer to your question is that the Upper Mantle, which is often referred to as the asthenosphere, is flexible like plastic. Due to the fact that this layer is composed of softer rocks, it is flexible. The high temperatures coming from the core partially heat the asthenosphere, which causes it to become pliable and causes the rocks to bend ... flow rentalWebMar 23, 2015 · A simplified image of a slab from one of Earth's tectonic plates sinking through the upper mantle above, through the boundary between the upper and lower … flow remove last character from stringWebAsthenosphere. The asthenosphere (from Ancient Greek ἀσθενός (asthenós) 'without strength') is the mechanically weak [1] and ductile region of the upper mantle of Earth. It … green clothing velcroWebMay 3, 2024 · The lower mantle is the lower liquid portion of the mantle ranging from 400 miles below the surface to about 1,800 miles below the surface. What rocks are in the … flow rename file sharepointWebMay 26, 2015 · The upper mantle is part of the lithosphere an is strong and rigid. ... This part of the mantle is soft and weak. The mantle makes up the largest percentage of the earth's … flowrentalWebOct 9, 2012 · A portion of the upper mantle known as the asthenosphere bends like plastic. What part of the mantle is made of soft rock that bends like plastic.? A portion of the upper mantle known as the ... flow rental companyWebAug 6, 2024 · What is the soft weak upper layer of the mantle? asthenosphere The asthenosphere (Ancient Greek: ἀσθενός [asthenos] meaning “without strength” and … flow renters