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- Paleozoic radiolarians 古生代放射虫
- South Tianshan: a Late Paleozoic or a Triassic orogen? 南天山:晚古生代还是三叠纪碰撞造山带?
- South Tianshan:a Late Paleozoic or a Triassic orogen? 南天山:晚古生代还是三叠纪碰撞造山带?
- RADIOLARIAN FAUNA CHARACTERS IN SOUTHERN SOUTH CHINA SEA SINCE 1MaB.P. 南海南部1百万年以来的放射虫动物群特征。
- There are few survivors of the animals that lived in the Paleozoic period. 古生代的动物现今已鲜有孑遗。
- The source rocks are distributed widely in the Upper Paleozoic of Ordos Basin. 摘要鄂尔多斯盆地上古生界烃源岩具有广覆式生烃特徵;
- Paleozoic simple dichotomously branched plants of Europe and eastern Canada including the oldest known vascular land plants. 分布于欧洲和加拿大东部的古生代简单的二岐式植物,包含最古老的脉管陆地植物。
- The stratigraphic column in this district includes all the Paleozoic formations. 这个地区的地层柱包括全部古生代岩系。
- A porous, lightweight, siliceous sedimentary rock composed of the shells of diatoms or radiolarians or of finely weathered chert, used as an abrasive and a polish. 硅土一种包含有硅藻土或砂藻土或已风化石粉末的黑硅土的脆而轻的硅沉积岩,用作研磨剂和抛光剂
- Tarim basin is a huge superposed basin composed of Paleozoic cratonic basin and Meso-Cenozoic foreland basin. 塔里木盆地是一个由古生代克拉通盆地与中、生代前陆盆地叠合而成的大型叠合盆地。
- Thus, the "radiolarian cherts" and the siliceous rock of Maokou Formation are diferent lithostratigraphic units. 因此,两者应分属不同的地层单位。
- The deposition velocity of Paleozoic, Mesozoic and Cenozoic assumes unimodal pattern. 在沉积速率分析曲线上,往往是古生代、生代和新生代呈单峰状态。
- In contrast,during the Famennian the radiolarian fauna was well developed and diversified. 相反,放射虫动物群在法门期得到了重大发展。
- The priciple of cyclic sedimentation applies to deposits dating from earliest Paleozoic time to the Holocene. 旋回沉积原理适用于始于最早的古生代迄至全新世的沉积物。
- Radiolarian transfer function for paleo-primary productivity in the South China Sea. 中国科学院系统与进化生物学学术讨论会论文摘要汇编。
- Radiolarian distribution in surface sediments of the northern and central South China Sea. 2002.;南海南部晚中新世的放射虫及其环境探讨。
- Abundant, generally well preserved radiolarians were used in stratigraphic analysis of Pleistocene sequences of Tasman Sea. 本研究利用保存丰富、完好的放射虫对塔斯曼海更新世层序进行地层学分析。
- The following examples of oil and gas fields in distributary and delta-fringe sand bodies range in age from Late Paleozoic to Middle Cenozoic. 下面所列举的是分布于分流和三角洲前绿砂体的油气田的例子,在地质时代上从晚古生代至中新生代。
- A porous,lightweight,siliceous sedimentary rock composed of the shells of diatoms or radiolarians or of finely weathered chert,used as an abrasive and a polish. 硅土,一种包含有硅藻土或砂藻土或已风化石粉末的黑硅土的脆而轻的硅沉积岩,用作研磨剂和抛光剂。
- The principle of cyclic sedimentation applies to deposits dating from earliest Paleozoic time to the Holocene. 旋回沉积原理适用于始于最早的古生代迄至全新世的沉积物。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries