The upper mantle and crust make up the
Webmountains a relatively fast upper mantle velocities are observed. Isostatic gravity anomalies show that the central High Atlas has a thick (~45 km) and isostatically compensated crust, whereas the Middle Atlas with a crustal thickness of about 30 km is not compensated, and that they are probably dynamically supported. Web23. 3. Layers of the Earth that make up the lithosphere.A The crust and the lower manteB. The crust and the upper manteC. The continental crust and oceanie crustD. The lower and …
The upper mantle and crust make up the
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WebThe upper mantle of Earth is a very thick layer of rock inside the planet, which begins just beneath the crust (at about 10 km (6.2 mi) under the oceans and about 35 km (22 mi) … Web26. what statement about the earth s Crust is correct . The crust is the outermost solid shell of a rocky planet, dwarf planet, or natural satellite. It is usually distinguished from the …
WebWhat layers of Earth make up the lithosphere? (1 point)A. the crust and the lower mantleB. the crust and the upper mantleC. the continental crust and the oceanic crustD. the upper and lower mantle2. Earth's thin, rocky outer layer is its _____. (1 point)A. coreB. mantleC. outer coreD. crust3. WebJan 1, 2012 · The crust tends to be thick in regions where the speed of compressional waves in the upper-mantle rocks (and presumably the density) is high, and tends to be …
WebThe upper part of the lithosphere (crust) is a poor heat conductor, so the temperature remains about the same throughout the underlying mantle material. Where the convection currents cause mantle material to rise, the pressure decreases, which … WebThere is some difference in the composition of the materials, the rocks, and the minerals that make up the crust or upper part of the mantle. The asthenosphere is the middle section of the mantle. The Earth’s asthenosphere is also made up of reasonably solid peridotites.
WebOct 1, 2024 · Carbonatites are the most silica-poor magmas known and are amongst Earth’s most enigmatic igneous rocks. They crystallise to rocks dominated by the carbonate minerals calcite and dolomite. We review models for carbonatite petrogenesis, including direct partial melting of mantle lithologies, exsolution from silica-undersaturated alkali …
WebMay 10, 2024 · Which layers make up the lithosphere? A. Crust, mantle, and core B. The bottom part of the upper mantle C. Crust and uppermost part of the mantle D. Only the crust E. The lithosphere does not exist. 7. Which layers make up the Tabosphere? A. The inner and outer core B. Mantle C. The inner core, outer core, and mantle D. Crusts and mantle E. myopic simpsonsWebApr 16, 2024 · The upper mantle is made up of lithosphere (sial and sima), asthenosphere (molten river rock), and mesophere. Describe the asthenosphere. The asthenosphere sits … the slemish ballymenaWebAug 2, 2024 · Beneath the crust comes the mantle with the lithosphere of more solid rock reaching 400–600 kilometers down—twice as deep as on Earth. This could be because there is now only one continental ... myopic shift nuclear cataractWebDec 15, 2024 · Earth is composed of four main layers, starting with an inner core at the planet's center, enveloped by the outer core, mantle, and crust. The inner core is a solid sphere made of iron and nickel metals about 759 … myopic retinopathy bilateral icd10WebFeb 22, 2024 · Study uses 350-mile-deep earthquake to make elusive measurements of the Earth’s layers. A new study from a University of Chicago scientist suggests there may be a layer of surprisingly fluid rock … myopic simpsons palWebSep 29, 2024 · 1) The mantle makes up 84% of Earth's volume. 2) The mantle extends from 35-2980 kilometers below Earth's surface. 3) The mantle is mostly solid rock. However, it behaves like a viscous fluid over ... myopic shift in diabetesWebSedimentary rocks are stable only in the upper parts of the crust. High pressure and temperature in the deeper parts metamorphoses them (minerals recrystallize) to various metamorphic rocks. The bulk of the continental crust is made of metamorphic rocks. myopic rx