lower silurian meaning in English
早志留世
Examples
- Fozichong orefield occurs in lower silurian which is composed of fine clasolite and carbonate
因此，从成矿系列的角度可将其归为一类。 - Based on the ground outcrops and drilling core samples , and two - dimensional seismic data in this paper , through a comprehensive evaluation and research of the reservoir characteristics , the authors clarifies that the dolomite of the upper sinian dengying formation and the grain limestone of the lower silurian shiniulan formation are main reservoir rocks in the research area , and the sedimentary facies , karstification , and the number of cracks are the main controlling factors of the reservoir quality
以地表露头、钻井资料及二维地震资料为基础，通过储层特征综合评价研究，认为上震旦统灯影组白云岩、下志留统石牛栏组颗粒灰岩为区内的主要储集岩，沉积相、岩溶作用及裂缝发育程度为储层发育的主控因素。