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简述同沉积褶皱的特征。
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简述同沉积褶皱的特征。
时间:2022-01-05 04:31
关键词:
构造地质学
地球科学
大学试题
理学
答案解析
<p> ①平缓开阔型,而每一岩层的倾角是变化的,一般靠背斜的顶端部位比较平缓,而向下逐渐变抖<br> ②同沉积褶皱中转折断部位,同一岩层的厚度变化较大,如背斜的顶部岩层厚度变薄,有时甚至确实某些层位,而向斜中心部位岩层厚度增大。<br> ③同沉积褶皱中,同一岩层的岩石结构是随着褶皱的部位发生变化的。一般背斜的顶部常沉积潜水的粗粒物质,而向斜的中心位置则沉积细粒物质。</p>
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简述同沉积褶皱的特征。
简述同沉积褶皱的主要特征。
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