Definición de underthrust en inglés:

underthrust

Saltos de línea: under|thrust
Pronunciación: /ˈʌndəθrʌst
 
/
Geology

verbo (past and past participle underthrust)

[with object]
1Force (a crustal plate or other body of rock) beneath another formation: the Farallon plate was being underthrust beneath the North American plate (as noun underthrusting) this sediment may be deformed by the underthrusting
Más ejemplos en oraciones
  • Patterns of this type can be readily explained by accretionary tectonism, whereby a packet of sediment accreted at the toe of the prism is underthrust and buried beneath an overburden of older strata.
  • Here the Papua New Guinea continental crust appears to be underthrusting the adjacent marginal basin and obduction of the ophiolite is occurring in an uphill direction.
  • The tensional stresses in the uplift can be relaxed by, for example, underthrusting in a subduction zone, or contraction in surrounding regions.
1.1Be forced underneath (another formation): plate X is underthrusting plate Y in a NE direction

sustantivo

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An instance of one crustal plate or other body of rock being forced underneath another: the westward underthrust of the Pacific Ocean plate
Más ejemplos en oraciones
  • We suggest that because the upper portion of underthrust sections lacked any thick, water-saturated clastic deposits this did not favour the formation of melanges.

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