01:460:103 Lecture Notes - Lecture 12: Terrane, Craton, Lithosphere
30 Jul 2016
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Document Summary
Terrane that did not form at its present site on a continent. accumulation stage. Stage in the evolution of major mountain belts characterized by the accumulation of great thicknesses (several kilometers) of sedimentary or volcanic rocks. craton. Portion of a continent that has been structurally stable for a prolonged period of time. fault-block mountain range. A range created by uplift along normal or vertical faults. fold and thrust belts. A portion of a major mountain belt characterized by large thrust faults, stacked one upon another. Layered rock between the faults was folded when faulting was taking place. gravitational collapse and spreading. There is no definition for this term in the glossary. lithospheric delamination (or delamination) The detachment of part of the mantle portion of the lithosphere beneath a mountain belt. major mountain belt. A long chain (thousands of kilometers) of mountain ranges. mountain range. A group of closely spaced mountains or parallel ridges. orogeny.
