Definition of obduction in English:

obduction

noun ɒbˈdʌktʃ(ə)nəbˈdəkʃ(ə)n

mass nounGeology

The sideways and upwards movement of the edge of a crustal plate over the margin of an adjacent plate.
〔地质〕一个地球板块挤压至另一板块边缘上
movement of the ophiolite so far south before obduction is unlikely
Example sentencesExamples
- During the Cretaceous, however, an ocean basin existed in this area, either as a remnant ocean that had escaped Jurassic obduction or as a small Cretaceous pull-apart basin.
- Late Cretaceous obduction of ophiolite complexes onto the Indian shield has also been reported from Pakistan.
- However, even in the absence of tectonic boundary loads, ophiolitc obduction imposes significant stresses on the flexed plate.
- 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.
- After obduction, there was a slow rate of subsidence, which reflects the continuing cooling of the underlying Indian lithosphere after rifting.

Derivatives

obduct

verb ɒbˈdʌktəbˈdək(t)

[with object]

Geology

Cause (the edge of a crustal plate) to move sideways and upwards over the margin of an adjacent plate.
〔地质〕一个地球板块挤压至另一板块边缘上
the ophiolite complex was obducted onto the continental margin
Example sentencesExamples
- Early Cretaceous back-arc spreading in southern Patagonia was also sufficient to create new ocean floor, which was subsequently obducted in the Middle Cretaceous, forming the Rocas Verdes Ophiolite.
- It is proposed that the Sogneskollen Granitic Complex formed when young and hot oceanic crust was obducted above the continental margin.
- The suture lies along the line of the South Mayo-Highland Border ophiolites that were obducted onto the northern edge of the Midland Valley Terrane.

Origin

1970s: from Latin obduct- 'covered over', from the verb obducere, from ob- 'against, towards' + ducere 'to lead'.

Definition of obduction in US English:

obduction

nounəbˈdəkSH(ə)nəbˈdəkʃ(ə)n

Geology

The sideways and upwards movement of the edge of a crustal plate over the margin of an adjacent plate.
〔地质〕一个地球板块挤压至另一板块边缘上
movement of the ophiolite so far south before obduction is unlikely
Example sentencesExamples
- During the Cretaceous, however, an ocean basin existed in this area, either as a remnant ocean that had escaped Jurassic obduction or as a small Cretaceous pull-apart basin.
- However, even in the absence of tectonic boundary loads, ophiolitc obduction imposes significant stresses on the flexed plate.
- After obduction, there was a slow rate of subsidence, which reflects the continuing cooling of the underlying Indian lithosphere after rifting.
- 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.
- Late Cretaceous obduction of ophiolite complexes onto the Indian shield has also been reported from Pakistan.

Origin

1970s: from Latin obduct- ‘covered over’, from the verb obducere, from ob- ‘against, towards’ + ducere ‘to lead’.

单词	obduction
释义	Definition of obduction in English: obduction noun ɒbˈdʌktʃ(ə)nəbˈdəkʃ(ə)n mass nounGeology The sideways and upwards movement of the edge of a crustal plate over the margin of an adjacent plate. 〔地质〕一个地球板块挤压至另一板块边缘上 movement of the ophiolite so far south before obduction is unlikely Example sentencesExamples During the Cretaceous, however, an ocean basin existed in this area, either as a remnant ocean that had escaped Jurassic obduction or as a small Cretaceous pull-apart basin. Late Cretaceous obduction of ophiolite complexes onto the Indian shield has also been reported from Pakistan. However, even in the absence of tectonic boundary loads, ophiolitc obduction imposes significant stresses on the flexed plate. 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. After obduction, there was a slow rate of subsidence, which reflects the continuing cooling of the underlying Indian lithosphere after rifting. Derivatives obduct verb ɒbˈdʌktəbˈdək(t) [with object]Geology Cause (the edge of a crustal plate) to move sideways and upwards over the margin of an adjacent plate. 〔地质〕一个地球板块挤压至另一板块边缘上 the ophiolite complex was obducted onto the continental margin Example sentencesExamples Early Cretaceous back-arc spreading in southern Patagonia was also sufficient to create new ocean floor, which was subsequently obducted in the Middle Cretaceous, forming the Rocas Verdes Ophiolite. It is proposed that the Sogneskollen Granitic Complex formed when young and hot oceanic crust was obducted above the continental margin. The suture lies along the line of the South Mayo-Highland Border ophiolites that were obducted onto the northern edge of the Midland Valley Terrane. Origin 1970s: from Latin obduct- 'covered over', from the verb obducere, from ob- 'against, towards' + ducere 'to lead'. Definition of obduction in US English: obduction nounəbˈdəkSH(ə)nəbˈdəkʃ(ə)n Geology The sideways and upwards movement of the edge of a crustal plate over the margin of an adjacent plate. 〔地质〕一个地球板块挤压至另一板块边缘上 movement of the ophiolite so far south before obduction is unlikely Example sentencesExamples During the Cretaceous, however, an ocean basin existed in this area, either as a remnant ocean that had escaped Jurassic obduction or as a small Cretaceous pull-apart basin. However, even in the absence of tectonic boundary loads, ophiolitc obduction imposes significant stresses on the flexed plate. After obduction, there was a slow rate of subsidence, which reflects the continuing cooling of the underlying Indian lithosphere after rifting. 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. Late Cretaceous obduction of ophiolite complexes onto the Indian shield has also been reported from Pakistan. Origin 1970s: from Latin obduct- ‘covered over’, from the verb obducere, from ob- ‘against, towards’ + ducere ‘to lead’.
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