Weathering erosion and environmental effects of purple shale 紫色页岩风化侵蚀与环境效应
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The shape of the rocks is formed by the effect of long - term wave and weather erosion . many joints can be found on both vertical stacks 这些岩石经过长期的海浪侵蚀和风吹雨打,形成独特的形状,而在两座垂直的岩柱上都可寻找到页岩的节理。