| 单词 | 地层学 |
| 释义 | 〔lithostratigraphy〕Stratigraphy based on the physical and petrographic properties of rocks.岩石层位学：以岩石的物理和岩相性质为基础的地层学〔group〕A stratigraphic unit, especially a unit consisting of two or more formations deposited during a single geologic era.地层学单位：地层学中的一个单位，尤指包括在同一地质时期沉积的两个或两个以上地层的单位〔biostratigraphy〕The study of the spatial and temporal distribution of fossil organisms, often interpolated with radiometric, geochemical, and paleoenvironmental information as a means of dating rock strata.生物地层学：对有机体化石空间及时间分布的研究，常插入显示岩石地层时期方法的辐射探测仪信息、地球化学信息以及古代环境信息〔stratigraphy〕The study of rock strata, especially the distribution, deposition, and age of sedimentary rocks.地层学：研究岩石的分层、尤其是沉积岩的分布、沉积与年代的学科 |
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