Tectonic Plates Move Over The Asthenosphere at Harry Paige blog

Tectonic Plates Move Over The Asthenosphere. The theory of plate tectonics states that earth’s solid outer crust, the lithosphere, is separated into. In plate tectonics, earth’s outermost layer, or lithosphere —made up of the crust and upper mantle—is broken into large rocky plates. Unlike puzzle pieces, tectonic plates do not rest on a stable surface. The tectonic plates connect the parts of earth’s lithosphere, much like the pieces of a jigsaw puzzle. According to the theory, earth has a rigid outer layer, known as the lithosphere, which is typically about 100 km (60 miles) thick and overlies a plastic (moldable, partially molten) layer. Heat from deep within earth is thought to keep the asthenosphere malleable, lubricating the undersides of earth’s tectonic plates and allowing them to move. These plates lie on top of a partially molten layer. The idea is that convection currents reach the asthenosphere and drive the movement of the rigid lithosphere above.

Plate Tectonics. ppt download
from slideplayer.com

The theory of plate tectonics states that earth’s solid outer crust, the lithosphere, is separated into. The tectonic plates connect the parts of earth’s lithosphere, much like the pieces of a jigsaw puzzle. These plates lie on top of a partially molten layer. According to the theory, earth has a rigid outer layer, known as the lithosphere, which is typically about 100 km (60 miles) thick and overlies a plastic (moldable, partially molten) layer. The idea is that convection currents reach the asthenosphere and drive the movement of the rigid lithosphere above. Unlike puzzle pieces, tectonic plates do not rest on a stable surface. Heat from deep within earth is thought to keep the asthenosphere malleable, lubricating the undersides of earth’s tectonic plates and allowing them to move. In plate tectonics, earth’s outermost layer, or lithosphere —made up of the crust and upper mantle—is broken into large rocky plates.

Plate Tectonics. ppt download

Tectonic Plates Move Over The Asthenosphere Unlike puzzle pieces, tectonic plates do not rest on a stable surface. The tectonic plates connect the parts of earth’s lithosphere, much like the pieces of a jigsaw puzzle. According to the theory, earth has a rigid outer layer, known as the lithosphere, which is typically about 100 km (60 miles) thick and overlies a plastic (moldable, partially molten) layer. The theory of plate tectonics states that earth’s solid outer crust, the lithosphere, is separated into. Unlike puzzle pieces, tectonic plates do not rest on a stable surface. In plate tectonics, earth’s outermost layer, or lithosphere —made up of the crust and upper mantle—is broken into large rocky plates. These plates lie on top of a partially molten layer. The idea is that convection currents reach the asthenosphere and drive the movement of the rigid lithosphere above. Heat from deep within earth is thought to keep the asthenosphere malleable, lubricating the undersides of earth’s tectonic plates and allowing them to move.

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