Web1.e. the core is more dense than the mantle 2.b. the inner core is solid nickel-iron 3.b. The Crust and the rigid uppermost Mantle 4.b. the earth's magnetic field is generated by convection in the outer core and the fact that the inner core rotates faster than the outer core 5.b. ocean basins are pulled deep by the action of descending slabs of lithosphere 6.a. … http://www2.ocean.washington.edu/oc540/lec01-1/
Lithosphere Facts for Kids
WebThe lithosphere is rotating around the mantle C. The lithosphere is not rigid and therefore flows like a fluid D. It is one whole integrated system that floats on top of the mantle D not sure heheh ... The mantle lies between Earth's dense, super-heated core and its thin outer layer, the crust. The mantle is about 2,900 kilometers (1,802 ... Web22 de jul. de 2024 · Tectonic activity can shape the lithosphere itself: Both oceanic and continental lithospheres are thinnest at rift valleys and ocean ridges where tectonic plates are shifting apart from one another. ... Because both continental and oceanic crust are less dense than the mantle below both types of crust “float” on the mantle. flagstaff pop up campers used
Inside the Earth [This Dynamic Earth, USGS]
Web8 de abr. de 2024 · The lithosphere can be divided into two varieties: oceanic and continental. Oceanic crust is relatively thin and dense, according to Sciencing.com. The … Web1 de mar. de 2024 · The asthenosphere is the denser, weaker layer beneath the lithospheric mantle. It lies between about 100 kilometers (62 miles) and 410 kilometers (255 miles) beneath Earth’s surface. The temperature and pressure of the asthenosphere are so high that rocks soften and partly melt, becoming semi-molten. WebFurther, we see that oceanic lithosphere is not as dense as the asthenosphere, it is less dense. But, after tens of millions of years, it keeps becoming increasingly denser than the asthenosphere. It happens so as the chemically differentiated oceanic crust is lighter than asthenosphere, however, thermal contraction of the mantle lithosphere makes it denser … flagstaff pop up camper reviews