In this paper,we discussed the genesis of the nodular limestones from the Ordovician Yanwashan Formation in the Huangnitang section(the first GSSP) ,Changshan,Zhejiang Province on the basis of mineral component,texture,structure,chemical composition,and particularly the stable C-O isotopic composition of both the nodule and matrix.
对浙江常山黄泥塘剖面奥陶系砚瓦山组瘤状灰岩中瘤体和基质的矿物组成、结构、构造、化学成分及碳氧同位素等做了系统研究,并从其基本特征、尤其是碳氧同位素特征出发,结合前人研究成果,对瘤状灰岩的成因进行了初步探讨。
Dredged profile monitor system and draft and loading monitor system for cutter suction and wheel dredgers;
绞吸/斗轮式挖泥船挖泥剖面监视器和吃水装载监视器系统