Cambrian造句
2024年04月06日 16:54:31
MEI Shi - long , 1991 . Middle and Late
Cambrian conodont and trilobite biostratigraphy in Wanxian, Hebei . Unpublished Ph. D thesis of Peking University.
武桂春, 2003. 鲁西地区晚寒武世牙形石. 北京大学博士研究生学位论文.
Cambrian stratigraphy well developed in Luxi ( west of Shandong ), and their sedimentary records possesses cyclicity.
鲁西地区寒武纪地层发育较好, 沉积记录具旋回性的特点.
Dolostone is the main rock type of the
Cambrian in this area.
从下寒武统石龙洞组开始都是白云岩沈积.
It holds also one of the most complete successions of the
Cambrian strata known in China.
此地同样也是我国寒武系地层出露最完整的地区之一.
Bryozoa was quite diversified in the Ordovician, but lacked fossil records in the
Cambrian.
古生物学资料表明,虽然苔藓动物的大多数类群在奥陶纪已经分化出来, 但它在寒武纪却缺乏任何化石记录.
The
Cambrian - Ordovician strata in Luxi Block are very continuous and well exposed.
鲁西地块的寒武 - 奥陶纪地层出露连续,露头较好.
Dengta marine built gypsum deposits occurred in Mantou Jianchang Formations, Lower
Cambrian.
灯塔海积石膏矿床赋存于下寒武统馒头组—碱厂组中.
The Pre -
cambrian alumino - siliceous slate is the host rock of antimony deposit inHunan.
湖南前寒武系的 硅铝 质板岩是锑矿主要赋矿岩性.