UNDERSTANDING OUR PLANET Q/A #5 – Why asthenosphere is important to understand the dynamic of Earth’s crust?
UNDERSTANDING OUR PLANET Q/A #5 - Why asthenosphere is important to understand the dynamic of Earth’s crust? - Asthenosphere is part of the upper mantle which is partially molten, a relatively narrow, and mobile zone of the mantle. The asthenosphere is a weak zone, formed of mostly solid rock (with perhaps a little magma mixed in), and flows very slowly, in a manner similar to the ice at a bottom of a glacier. The rigid lithosphere is believed to "float" or move about on the slowly flowing asthenosphere....