例句
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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 Unpublished Ph.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.