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January 19, 2011

Geology Word of the Week: L is for Lithosphere

Mantle Hills, Oman, January 2009. def. Lithosphere:1. The cool, outer layer of the Earth that deforms in a brittle manner.2. Although often mistaken for the crust, a layer of the Earth that actually consists of both the crust and part of the upper mantle. Last week I blogged about the notorious PhD general or qualifying exam. A common question that comes up in the general knowledge section of the geology …


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