| 单词 | 地层 |
| 释义 | 〔homotaxis〕Similarity of stratigraphic arrangement and fossils in noncontemporaneous or widely separated geologic deposits.排列类似：不同时代或相距很远的地质矿床在化石和地层分布上的相似〔hardpan〕A layer of hard subsoil or clay. Also called caliche 硬质地层 也作 caliche〔outcrop〕A portion of bedrock or other stratum protruding through the soil level.出露层：露出地表的一部分基岩或其他地层〔aquifer〕An underground bed or layer of earth, gravel, or porous stone that yields water.地下蓄水层，砂石含水层：含有水的泥、砂砾或多孔石的地下河床或地层〔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〔fossil〕A remnant or trace of an organism of a past geologic age, such as a skeleton or leaf imprint, embedded and preserved in the earth's crust.化石：埋置并保存于地层中的古生物遗体、遗物和其生活遗址，如骨骸、叶子的印痕等〔monocline〕A geologic structure in which all layers are inclined in the same direction.单斜结构：一种所有地层朝同一方向倾斜的地质结构〔horse〕A large block of displaced rock that is caught along a fault.夹块，夹石：绵延的地层中大块的移位岩石〔bentonite〕After Benton Formation (formerly Fort Benton Formation) of the Rock Creek district in eastern Wyoming 源自 本顿 地层（原为佛特·本顿地层），位于怀俄明州东部的岩溪地区 〔nummulite〕A large, coin-shaped, fossil foraminifer of the genusNummulites, widely distributed in limestone formations from the Eocene Epoch to the Miocene Epoch of the Cenozoic. 货币虫：货币虫 体形大而呈硬币状，化石有孔的虫，从始新世到新生代的中新世广泛分布在石灰岩地层中 〔hole〕Pocket is applied to a cavity in the earth, as one containing a mineral deposit,or to an isolated cavity or area that contains foreign or contrasting matter: Pocket 适用于指地层里可贮藏矿产的中空的洞，或指含有相异或有矛盾物质的隔离的空穴或地区： 〔horizon〕A specific position in a stratigraphic column, such as the location of one or more fossils, that serves to identify the stratum with a particular period.层位：地层柱中的一个特定位置，例如，一种或多种化石的地层位置，这些化石的位置可用于确定其所在地层的年代〔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〔inlier〕An area or a formation of older rocks completely surrounded by younger layers.内围层：完全被新层包围的旧岩石的地区或地层〔layer〕A usually horizontal deposit or expanse; a stratum:地层：通常是水平的沉积物或扩展物；层：〔horizon〕A specific layer of soil or subsoil in a vertical cross section of land.地层，岩层：处于土地的垂直横截面中的某一具体土层或次土层〔bed〕A deposit, as of ore, parallel to local stratification.沉积物：平行于局部地层的沉积物，如矿层〔bed〕A rock mass of large horizontal extent bounded, especially above, by physically different material.地层：一个水平的大岩石区域，特别是在它的上面邻接的是不同物质的材料 |
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