How thick is the asthenosphere km
Nettetoceanic crust, the outermost layer of Earth’s lithosphere that is found under the oceans and formed at spreading centres on oceanic ridges, which occur at divergent plate boundaries. Oceanic crust is about 6 … NettetThe Earth is nearly 8000 miles in diameter (almost 13,000 km), the distance you would travel if you went straight through the earth to the exact opposite point on the globe.
How thick is the asthenosphere km
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Nettet1000 kilometres 3000 kilometers 5000 kilometers. Continental crust can be upside to _____ distance thick. 5 35 65 100. Where do P waves travel the fastest? upper mantle deeper mantle outer core indoors core. ... the lithosphere from the asthenosphere the asthenosphere from the Mesosphere NettetIt varies in thickness from very small values in the Basin and Range to about 250 km under cratons such as the Canadian Shield. The asthenosphere lies below the lithosphere and is about 100 km thick. Beneath the asthenosphere the mantle gets gradually stiffer (more viscous), but remains viscous (flows very slowly).
Nettet17. jan. 2016 · The thickness varies depending on where you are on earth, with oceanic crust being 5-10 km and continental mountain ranges being up to 30-45 km thick. Thin oceanic crust is denser than the... NettetStudy with Quizlet and memorize flashcards containing terms like 1. What is the approximate distance from the surface to the center of Earth? A) 700 km B) 2900 km C) 6400 km D) 24,000 km, 2. How fast do P waves travel through granite? A) 4 kilometers per second B) 6 kilometers per second C) 8 kilometers per second D) 12 kilometers per …
Nettet19. sep. 2016 · The inner core has an estimated radius of 1,220 km, while the outer core extends beyond it to a radius of about 3,400 km. Extending outwards from the core are the mantle and the crust.... Nettetthe thin outer shell of earth, consisting of the crust and the rigid upper mantle subduction the process in which a tectonic plate dives beneath another tectonic plate and into the asthenosphere volcanic the opening through which molten rock flows onto earths surface big bang theory
Nettet5. aug. 2024 · 2) The asthenosphere sits beneath the lithosphere (the solid outer layer that forms the Earth's surface), and forms part of the upper mantle. This can be anywhere between 100 km and 700 km beneath the Earth's surface. Whether or not a bit of rock counts as part of the asthenosphere is decided by its temperature.
Nettet6. feb. 2024 · Above an adiabatic asthenosphere, an 88-km-thick conductive lithosphere was assumed, with a crustal thickness of 30 km. Densities for crust and mantle were … english warm up gameNettetHorizontal stresses within the plastic asthenosphere (located from 100 to 400 km below the terrestrial surface) create extension within the 100-km thick lithosphere, breaking it … english used in india us or ukNettet13. the following statements describe the physical structures of the lithosphere except: a.lithosphere are thicker under mountain ranges b.it has average thickness of 2 km c.it is a rigid layer d.comprises of crust and upper mantle. Answer: Triny ko lang. Explanation: [text]\blue{\rule{40pt}{9000000pt}}[text] 14. of the correct answer.1. english ttuNettetThe thickness of the upper mantle is about 640 km (400 mi). The entire mantle is about 2,900 km (1,800 mi) thick, which means the upper mantle is only about 20% of the total mantle thickness. [4] Cross-section of … englishprofile网站怎么用NettetIt is 2900 km thick, and contains about 80% of the Earth’s volume. The mantle consists of iron and magnesium silicates and magnesium oxides, so it is more similar to the rocks of Earth’s surface than to the materials in the core. The mantle has a density of 4.5 g/cm 3, and temperatures in the range of 1000-1500 o C. english word for mahirNettet6. apr. 2024 · The lithospheric thickness of the Indian Plate is retrieved with large variability between 150 and 250 km. Compared with the continental lithosphere, the oceanic lithosphere beneath the South China Sea, Philippine Sea Plate, and Caroline Plate is almost flatter and thinner (∼90 km), overlying the low-velocity asthenosphere … english ulster universityNettetasthenosphere, 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 … english word order svo