单词palaeozoic
n.: 古生代
adj.: 【地】古生代的
网络: 古生界；晚古生代
【地质学;地理学】古生代的
〔地〕古生界
The configuration of Ordovician of lower Palaeozoic system highly inherits that of Archaean group and both have a strong consistency.
下古生界奥陶系构造具有很强的继承性，其构造格局与太古界有很强的一致性；
The Early Palaeozoic strata of the upper-Yangtze region are fully developed in Guizhou Province and its adjacent areas.
上扬子区下古生界在贵州及其邻区发育较为完整。
The latest research data indicate that it is an orogen composed of Palaeozoic metamorphic strata rather than an old land.
本文根据最新的研究资料，论证了它是一个由变质古生代地层组成的造山带，而不是一个古陆；
The result is of important significance in evaluating oil-gas prospects of the Lower Palaeozoic marine carbonate rocks in North China.
这一认识对评价华北地区下古生界海相碳酸盐岩的含油气远景具有重要的意义。
The Palaeozoic petroleum geological condition of Huabei area had been analyzed in detail from the petroliferous system angle.
从油气系统角度分析了华北区古生界的石油地质条件。
Like the Palaeozoic Era, the Mesozoic Era has been divided into smaller units of geological time called period .
如同古生代一样，中生代也可划分成一些叫纪的较小的时间单位。
Transgressive coal forming and coal forming under event are the essential features of Late Palaeozoic coal accumulation in Ordos basin.
海侵成煤和事件成煤是鄂尔多斯盆地晚古生代煤聚积的基本特色。
Found in the scales of Palaeozoic fishes as a superficial layer over a dentine structure.
发现于古生代鱼类的鳞片形成覆于齿质结构之上的表面层。
The Lower Palaeozoic group mainly includes Cambrian , medial and lower Ordovician, which are marine carbonate in the district.
下古生界包括寒武系和下、中奥陶统，主要由海相碳酸盐岩构成。
The Upper Palaeozoic source rocks in Jiyuan-Zhongmou-Huangkou depression belt experienced complicate structural and thermal evolution.
济源-中牟-黄口坳陷带的上古生界烃源岩经历了复杂的构造热演化历史。