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Asthenosphere
Asthenosphere The asthenosphere (from an invented Greek a + ''sthenos "without ... a medium, pass relatively slowly though the asthenosphere, the cue that originally alerted seismologists to ... zone. Under the thin oceanic plates the asthenosphere is usually much nearer the seafloor surface ... ocean floor. The upper part of the asthenosphere is believed to be the zone ...
http://en.wikipedia.org/wiki/Asthenosphere - 3k - Cached - Similar pages

Asthenosphere   (translated from German)
Asthenosphere The part of the upper Erdmantels between ... km and approx.. 210 km depth becomes Asthenosphere (of Greek asthenos - softly) mentioned. It borders ...
http://de.wikipedia.org/wiki/Asthenosphäre - 1k - Cached (German) - Wikipedia (German) - Similar pages

Asthenosphere   (translated from French)
Asthenosphere This article is one ébauche to be ... can share your knowledge by modifying it. asthenosphere (of the Greek asthenos, without resistance) is ... hydrosphère · relief · atmosphere noyau ~ manteau ~ asthenosphere ~ lithosphère ~ croûte terrestrial
http://fr.wikipedia.org/wiki/Asthénosphère - 2k - Cached (French) - Wikipedia (French) - Similar pages

Talk:Asthenosphere
Talk:Asthenosphere Talk:Asthenosphere
http://en.wikipedia.org/wiki/Talk:Asthenosphere - 0k - Cached - Similar pages

Talk:Plate tectonics
... warms due to its descent into the asthenosphere, volatiles within the plate will be driven ... layer of the mantle known as the asthenosphere, and interact at their boundaries, where they ... Geophysical data show that, far from the asthenosphere being a continuous layer, there are disconnected ... Although surface-wave observations suggested that the asthenosphere was universally present beneath the oceans, detailed ... Indeed, the definition of the lithosphere and asthenosphere has become increasingly blurred with time . ...
http://en.wikipedia.org/wiki/Talk:Plate_tectonics - 47k - Cached - Similar pages

Talk:Astrological age
... layer of the mantle known as the asthenosphere, and interact at their boundaries, where they ... Geophysical data show that, far from the asthenosphere being a continuous layer, there are disconnected ... Although surface-wave observations suggested that the asthenosphere was universally present beneath the oceans, detailed ... Indeed, the definition of the lithosphere and asthenosphere has become increasingly blurred with time . Thus ... take into account the absence of the asthenosphere as a single continuous zone, then ...
http://en.wikipedia.org/wiki/Talk:Astrological_age - 30k - Cached - Similar pages

Plate tectonics
... layers: the outer lithosphere and the inner asthenosphere. The lithosphere essentially "floats" on the asthenosphere and is broken-up into ten major ... is cooler and more rigid, whilst the asthenosphere is hotter and mechanically weaker. This division ... plates, which "float" on the fluid-like asthenosphere. The relative fluidity of the asthenosphere allows the tectonic plates to undergo ...
http://en.wikipedia.org/wiki/Plate_tectonics - 59k - Cached - Similar pages

Subduction
... portion of the upper mantle) and underlying asthenosphere. Where lithosphere is denser than asthenospheric mantle ... where lithosphere is less dense than underlying asthenosphere. Whether or not lithosphere is more or less dense than underlying asthenosphere depends on the nature of the associated ... crust. Crust is always less dense than asthenosphere or lithospheric mantle, but because continental crust ... lithosphere. Oceanic lithosphere is generally denser than asthenosphere but continental lithosphere is lighter. Exceptionally, ...
http://en.wikipedia.org/wiki/Subduction - 14k - Cached - Similar pages

Talk:Continental drift
... and the absence of a continuous, global asthenosphere to 'lubricate' plate motions, have rendered the ... heat flow and microearthquakes . Magma from the asthenosphere flows slowly through active channels at the ... upward and outward to initiate tectogenesis . The asthenosphere (in regions where it is present) alternately ... rigid lithosphere above and the more fluid asthenosphere below, causes the fluid or semifluid materials ...
http://en.wikipedia.org/wiki/Talk:Continental_drift - 14k - Cached - Similar pages

Isostasy
... equilibrium between the Earth's lithosphere and asthenosphere such that the tectonic plates "float" at ... strong lithosphere exerts stress on the weaker asthenosphere which, over geological time flows laterally such ... the Earth's lithosphere "floats" in the asthenosphere. Isostatic effects of plate tectonics When continents ... retreats, the load on the lithosphere and asthenosphere is reduced and they rebound back towards ...
http://en.wikipedia.org/wiki/Isostasy - 9k - Cached - Similar pages

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