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lithosphere
(redirected from Lithospheric)

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lithosphere

Upper rocky layer of the Earth that forms the jigsaw of plates that take part in the movements of plate tectonics. The lithosphere comprises the crust and a portion of the upper mantle. It is regarded as being rigid and brittle and moves about on the more plastic and less brittle asthenosphere. The lithosphere ranges in thickness from 2–3 km/1–2 mi at mid-ocean ridges to 150 km/93 mi beneath old ocean crust, to 250 km/155 mi under cratons.



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Anorogenic magmatism is linked to lithospheric extension, hotspots and intraplate rifting and various types of mineralization associated with this style of magmatism, including Sn, Nb, Ta, U, Th, F and Be in anorogenic granites (Sawkins 1984), and Olympic Data-type Cu-Au-U iron-oxide deposits.
Economic geology: then and now by Jebrak, Michel / Geoscience Canada
As a lithospheric plate passes over a hot spot, like a conveyor belt passing over a lit candle, the heat raises a chain of volcanoes.
The mush zone: a slurpy layer lurks deep inside the planet by Monastersky, Richard / Science News
Both samples exhibit Cr-diopsides which had once been in equilibrium with garnet peridotites under cool geothermal conditions (of the order of 37mW/m2), with no evidence for lithospheric damage and most of the grains plot within the Diamond Stability Field.
Vaaldiam Resources Ltd.: Promising Diamond Potential Exhibited in ... by Business Wire
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