کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4734370 | 1357097 | 2008 | 12 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Displacement loss on growth faults due to sediment compaction
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
زمین شناسی
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Compaction models of normal growth faults, combined with displacement data from a natural growth fault (Cape Egmont Fault, New Zealand), are used to quantify the loss of displacement arising from compaction, in circumstances where growth faults are blanketed and buried by compacting sediment in both footwall and hangingwall. Comparison of imposed tectonic displacements with the preserved displacements indicates that although the thicknesses of sand/shale sequences may decrease by up to c. 55% due to compaction, associated losses in displacement on growth faults are typically <20% because they displace partially compacted sediments. The importance of displacement loss generally increases with increases in the depth range over which fault displacements migrate along the compaction curves and in the percentage shale of the faulted sequence. Displacement loss due to compaction is relatively small (70%) and post-faulting burial is large (i.e. km-scale).
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Structural Geology - Volume 30, Issue 3, March 2008, Pages 394-405
Journal: Journal of Structural Geology - Volume 30, Issue 3, March 2008, Pages 394-405
نویسندگان
Susanna K. Taylor, Andrew Nicol, John J. Walsh,