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Mantle (earth)
Zone of earth's interior between the crust and the core. It is 2,900 kilometers (1,740 miles) thick and consists of a dense upper layer (upper mantle) and a partially molten lower layer (lower mantle), separated by a transition zone.
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Asthenosphere (1 items)
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Results 1 - 4 of 4 listed alphabetically [list by similarity]
Cascadia subduction zone: two contrasting models of lithospheric structure [More info]
Summary of an investigation of the Cascadia subduction zone with detailed density-modeling experiments of the crust and mantle along two transects across Vancouver Island and the Canadian margin and the other on the margin of central Oregon.
Interior of the Earth [More info]
General Interest Publication on the structure of the planet Earth including the crust, the mantle, and the core with drawings to scale on the cover and a table listing the thickness of the parts.
Visual Glossary - asthenosphere [More info]
The asthenosphere is the ductile part of the earth just below the lithosphere, including the lower mantle. The asthenosphere is about 180 km thick.
What on Earth is plate tectonics? [More info]
Discussion and diagrams on plate tectonics and the structure of the Earth for beginners with link to a detailed version: This Dynamic Earth for more information.
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