There is very developing karst and pultiple cave sediments in China.
中国岩溶地貌特别典型，洞穴堆积也十分发育，具有世界意义。
Based on the studies on the loess, the lake deposits, the ice cores, the Marine sediments and the cave sediments, some important results have been got in China.
我国对黄土、湖泊沉积物、冰心、海洋沉积物等信息载体的研究已取得了大量的成果，但仍存在分辨率不高、研究区域分布不均、系统研究不够等问题。
Later, between 1909 and 1915 sediments in Mammoth Cave that contained fossils were hauled out and examined in a chaotic manner that no scientist today would approve.
后来，在1909年到1915年之间，猛犸象洞穴里含有化石的沉积物被拖出，并以一种今天的科学家都不会同意的混乱的方式进行了检测。
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