| 释义 |
Low Silurian
基本例句
下志留统
The Kepingtage Formation of Lower Silurian in the Central Tarim and peri-clinal area is one of the impor-tant target layers in the Tarim basin.塔里木盆地塔中及其围斜区下志留统柯坪塔格组是重要的勘探目的层之一,长期以来,中石油及中石化将其划为下志留统塔塔埃尔塔格组。
Triassic basin is the main oil and gas bearing basin in Algeria, with excellent geologic conditions for hydrocarbon accumulation.The main source rock is Lower Silurian shale.摘要三叠盆地是阿尔及利亚的主要含油气盆地，油气成藏地质条件优越，主要烃源岩为下志留统页岩。
The Longmaxi formation of Lower Silurian is ten metres in thickness,containing three graptolite zones:Glyptograptus persculptus,Parakidograptus acuminatus and Orthograptus vosiculosus.下志留统龙马溪组厚10m;含Glyptograptus persculptus;Parakidograptus acuminatus及Orthograptus vosiculosus三个笔石带.
The geological and geochemical study results indicate that the metallogenetic materials came from the hy-dromica mudstones and shales of the Hanjiadian Group of Lower Silurian System.地质和地球化学研究结果认为,铝土矿的成矿物质来源于下志留统韩家店群的水云母泥、页岩。 |