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信阳―周党地区龟梅断裂带的右行剪切及其构造意义

, PP. 413-417

Keywords: 龟梅断裂带,右行剪切,信阳―周党

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Abstract:

通过对龟梅断裂带的深入研究发现,龟梅断裂带在三叠纪的陆-陆碰撞后叠加了右行走滑剪切作用,估算剪切带古差异应力为48.58MPa。剪切作用开始时间为约220Ma。松潘―甘孜板块的构造介入,可能是右行剪切作用形成的直接原因。

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