accreted terrane | Terrane that did not form at its present site on a continent.
(See page(s) 128)
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accumulation stage | Stage in the evolution of major mountain belts characterized by the accumulation of great thicknesses (several kilometers) of sedimentary or volcanic rocks.
(See page(s) 119)
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craton | Portion of a continent that has been structurally stable for a prolonged period of time.
(See page(s) 115)
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fault-block mountain range | A range created by uplift along normal or vertical faults.
(See page(s) 123)
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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.
(See page(s) 118)
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lithospheric delamination (or delamination) | The detachment of part of the mantle portion of the lithosphere beneath a mountain belt.
(See page(s) 125)
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major mountain belt | A long chain (thousands of kilometers) of mountain ranges.
(See page(s) 112)
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mountain range | A group of closely spaced mountains or parallel ridges.
(See page(s) 112)
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orogeny | An episode of intense deformation of the rocks in a region, generally accompanied by metamorphism and plutonic activity.
(See page(s) 120)
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Precambrian shield | A complex of old Precambrian metamorphic and plutonic rocks exposed over a large area.
(See page(s) 116)
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suspect terrane | A terrane that may not have formed at its present site.
(See page(s) 128)
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terrane (tectonostratigraphic terrane) | A region in which the geology is markedly different from that in adjoining regions.
(See page(s) 128)
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gravitational collapse and spreading | term used to describe a hypothetical process during mountain building at convergent plate boundries to account for observed folding and thrust faulting simultaneously with block faulting.
(See page(s) 120)
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