fault-bend fold

Russian translation: наднадвиговая антиклиналь (складка, связанная с изгибом поверхности сместителя)

09:01 Sep 13, 2007

English to Russian translations [PRO]
Tech/Engineering - Petroleum Eng/Sci / geology

English term or phrase: fault-bend fold

The three-dimensional geometry of the Medina fault-bend fold is best explained by a combination of a northeastward increase in fault displacement, a northeastward growth of an intermediate flat in the underlying ramp, and a southwestward decrease in ramp dip. Cinematic forward models of fault related folds are usually two-dimensional and illustrate progressive fold evolution as fault displacement increases. In fault-bend fold models, the ramp-flat fault geometry is kept fixed while the hanging wall moves over the ramp. In fault-propagation fold models, the fold grows as the fault tip propagates at a constant dip. In detachment fold models, an anticline forms over a layer-parallel detachment that maintains a fixed position with respect to sub-detachment stratigraphy. Most three dimensional models are constructed in a similar manner by keeping the fault geometry constant, but with displacement that varies along strike rather than with time. In the case of fault-bend Fol. models, slip over a fixed ramp ranges from zero at the fold termination to a maximum along the Fol. crest.

kergap -- KudoZ activity Questions: 1311 (none open) (17 without valid answers) (51 closed without grading) Answers: 31 Russian Federation
Local time: 15:36

Russian translation:наднадвиговая антиклиналь (складка, связанная с изгибом поверхности сместителя)

Explanation:
Представим себе, что слоистая шарьяжная пластина движется по такой поверхности. Эта пластина неминуемо будет испытывать изгиб над "коленом" сместителя. Образуется антиклинальная выпуклость. Впервые это было показано Ричем в 1934 г., а затем подтверждено многими исследователями. Такие антиклинали были названы рэмповыми
антиклиналями, а позже Зуппе дал им название fault-bend-folds, т.е. складки, связанные с изгибом поверхности сместителя. По-русски их лучше называть наднадвиговыми
антиклиналями.

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Local time: 15:36

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наднадвиговая антиклиналь (складка, связанная с изгибом поверхности сместителя)

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наднадвиговая антиклиналь (складка, связанная с изгибом поверхности сместителя)

Nik-On/Off
Ukraine
Local time: 15:36
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Ukrainian
PRO pts in category: 256

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fault-bend fold

Russian translation: наднадвиговая антиклиналь (складка, связанная с изгибом поверхности сместителя)

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fault-bend fold

Russian translation: наднадвиговая антиклиналь (складка, связанная с изгибом поверхности сместителя)

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