The paleo-geomorphy before the sedimentary of the Permian formation is recovered with the Moulage method, then the karst geomorphy unit is partitioned.
采用印模法恢复出叠系沉积前的古地貌,划分出岩溶地貌单元,古地貌恢复表明,研究古地貌总体表现为起伏不大,西东低,相对差最大约130米。
The paleo-geomorphy before the sedimentary of the Permian formation is recovered with the Moulage method, then the karst geomorphy unit is partitioned.
采用印模法恢复出叠系沉积前的古地貌,划分出岩溶地貌单元,古地貌恢复表明,研究古地貌总体表现为起伏不大,西东低,相对差最大约130米。
Current paleoecological studies strongly rely on fossil relics such as footprint, moulage, reliquiae, bone and other materials, but these materials are difficult rarely available and to be preserved.
而含粪的沉积物在特定的域则是常见的,特定的鸟粪标型元素特征是对生物链、气候、冰盖进退、升降等综合环境因素的记录或响应。
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