geologic period meaning in English
地质纪
地质年代
地质时代
地质时期
Examples
- The ghost city heritage from geologic period
地质时代的遗存绝响 - The qinling erogenic belt is a composite continental orogen which has evolved in different tectonic regimes during different geologic period and is characterized by complex structure and a prolonged complex history
秦岭造山带是经历了不同期构造体制演化、具有复杂结构的复合型大陆造山带。 - The lake shore sandy dike in the shrinking process of " hetao ancient lake " in the geologic period , which is suffered from the wind force function " rises right on the sandy land " , is the substantial basis of the formation of maowusu sandy land
摘要地质历史时期“河套古湖”退缩残留的湖滨沙堤受风力作用“就地起沙” ，是毛乌素沙地形成的物质基础。 - And then the palaeo - hydrodyonamics during different geologic periods are restored in wuerxun and beier depression . what has been done wants to explore the feature of hydrocarbon migration and accumulation in this two depression . during research , the background of palaeo - hydrodyonamics has been analyzed for the first time
文中以其作为研究对象，从古水动力对油气运移和聚集的重要作用出发，恢复出各主要目的层在各地质历史时期的古水动力演化历史，分析了二凹陷的油气运聚特征。 - By means of the theory of gas diffusion , we divided two gas diffusion systems : k1qn ~ k1n1 + 2 and k1n1 + 2 ~ the earth surface in binbei region . based on the research , this paper estimated the diffusion losing amount of the sourcerock of k1qn and k1n1 + 2 in binbei region in the different geologic period by corrected pick ' s law , the result indicates the diffusion losing amount of the sourcerock of k1qn is 5 . 3 1011m3 and the diffusion losing amount of the sourcerock of k1n1 - 2 is 2 . 5 1011m3 , they are 34 % and 19 . 4 % of their tolal generation gas amount
再此基础上，通过改进费克定律，对滨北地区青山口组和嫩一、二段两套源岩各地质时期的天然气扩散量进行了估算，结果得到青山口组源岩天然气扩散量约为5 . 3 10 ~ ( 11 ) m ~ 3 ，嫩一、二段源岩天然气扩散量约为2 . 5 10 ~ ( 11 ) m ~ 3 ，分别占其总生气量的34和19 . 4 ，表明扩散作用是滨北地区天然气损失的重要因素。