Models of Sediment Distribution in Non‐Marine and Shallow Marine Environments in Oblique‐Slip Fault Zones
Models of Sediment Distribution in Non‐Marine and Shallow Marine Environments in Oblique‐Slip Fault Zones
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斜滑断裂带非海洋和浅海环境沉积物分布模型
DOI：
10.1002/9781444303735.ch13
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发表时间：
2009
期刊：
影响因子：
--
通讯作者：
P. F. Ballance
中科院分区：
文献类型：
--
作者：
P. F. Ballance
在斜滑断层带中，上升块体上的走滑运动携带着一系列烃源岩经过相邻的静止下沉块体上的沉积物聚集点。来自不同烃源岩的沉积物的穿时地层可能导致在上升块体上的走滑运动方向上变得更年轻。介绍了非海洋和浅海环境中的四种沉积模式，并通过新西兰的例子进行了说明。解释古代非海相沉积物中的斜滑断层需要认识到（a）来自不同来源的碎屑，（B）碎屑最早和/或最晚出现的穿时性，以及（c）古水流方向。在已知斜滑的区域，了解这三个因素中的一个或两个将允许预测其他因素。
In oblique‐slip fault‐zones strike‐slip movement on a rising block carries a sequence of source rocks past a locus of accumulating sediment on the adjacent, stationary, sinking block. A diachronous stratigraphy of sediment from distinctive source rocks may result, getting younger in the direction of strike‐slip motion on the rising block. Four models of sedimentation in non‐marine and shallow‐marine environments are presented, and illustrated by New Zealand examples. Interpretation of oblique‐slip faulting in ancient non‐marine sediments requires recognition of (a) clasts from distinctive sources, (b) diachroneity of earliest and/or latest appearance of clasts, and (c) palaeo‐flow direction. In zones of known oblique‐slip, knowledge of one or two of those three factors would allow prediction of the others.