Witryna18 gru 2024 · The average density of continental crust is about 2.83 g/cm3, less dense than the ultramafic material that makes up the mantle, which has a density of around 3.3 g/cm3. Continental crust is also less dense than oceanic crust, whose density is about 2.9 g/cm3. Where is the density of the mantle greater? Answer: The density is greater … WitrynaBelow the crust is the mantle, a dense, hot layer of semi-solid rock approximately 2,900 km thick. The mantle, which contains more iron, magnesium, and calcium than the …
Why is the continental crust thicker than oceanic crust?
Witryna25 sty 2024 · The crust can be thicker than 80 kilometers in some spots and less than one kilometer thick in others. Underneath it lies the mantle, a layer of silicate rock approximately 2700 kilometers thick. … WitrynaOceanic crust tends to be denser and thinner than continental crust, so the denser oceanic crust gets bent and pulled under, or subducted, beneath the lighter and thicker continental crust. ... where one plate sinks into the mantle underneath the other plate. At a subduction zone, the oceanic crust usually sinks into the mantle beneath lighter ... cage free shark diving
Why is the Earth’s crust less dense than the mantle? - Quora
Witryna6 lut 2024 · In the case of our Earth, the mantle is significantly denser than is the crust, and the mantle's density increases with increasing depth due to increasing pressure. The core is much denser than is the mantle, by over a factor of two. The core's density increases with depth, and then jumps even a bit higher at the outer core / inner core … WitrynaExpert Answer. Mantle rocks are stronger and denser than crustal rocks. Seismic waves travel faster in mantle rocks than in crustal rocks because seismic wave velocities … Witryna27 kwi 2024 · Using the most recent mathematical formulas, Lunar and Planetary Laboratory associate staff scientist Michael Sori estimates that the Mercurial crust is just 16 miles thick and is denser than... cmtnewtsq