Cambrian的例句大全

oolite lime of cambrian zhangxia group emerged widely in loucun area north beyond the fault and oolite deformation is widely developed.

断裂带北侧楼村地区广泛出露寒武系张夏组鲕粒灰岩，鲕粒变形普遍发育。

problems of cambrian trilobite biogeography

寒武纪三叶虫生物地理区的一些问题

ecology assembalge of trilobite and it's paleo-environment significance during the cambrian in jiangshan

浙江江山寒武纪三叶虫生态组合及其古环境意义

studies show that the lower cambrian black shales in jindingshan of guizhou province are sapropelic type and mixed type oil-forming rocks.

结果表明，黑色岩系属生油岩，且为腐泥型和混合型生油岩，以腐泥型为主；

in the distance loomed the cold bare western hills. lower cambrian black argillaceous and arenaceous rock series in south china and its associated stratiform deposits

我国南方下寒武统黑色岩系及其中的层状矿床

the mantle plume upwelling may promote the continental extention, then the late-proterozoic-cambrian continental rift in northern qilian mountains was formed.

地幔柱上隆促使大陆扩张，及至形成北祁连山元古宙末－寒武纪大陆裂谷。

Origins and environment types of chert in Western Zhejiang and southern Anhui from late Sinian to Early Cambrian

皖南浙西晚震旦世至早寒武世硅岩物源与环境类型初探

whether early metazoans originated during the cambrian explosion or lasted a relatively long period before, remains a mystery in the evolutionary history of animal.

后生动物是起源于寒武纪大爆发还是经历了一个相对较长的前寒武时期一直是动物进化史上的不解之谜。

it is concluded that two hydrocarbon accumulation stages occurred in this belt, one in late permian, with possible cambrian-ordovician source rocks and high maturity;

结合一维热模拟计算结果，总结出琼库尔恰克构造带有两期油气成藏作用：第1期发生于晚二叠世，源岩可能为寒武-奥陶系烃源岩，油气成熟度较高；

the ore-bearing bed consists of black rocks from upper sinian series to lower cambrian series.

含矿层为上震旦统—下寒武统黑色岩系。

Middle and late Cambrian trilobites from Fenghuang Dama area, western Hunan

湘西凤凰大马地区中、晚寒武世三叶虫

Mount Taishan is the representative place for the study of the Ante Cambrian geology in China.

泰山是我国研究早前寒武纪地质的经典地,也是国际早前寒武纪研究的知名地区.

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.

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.

Abstract: The Gongxi barite deposit hosts in the Niutitang formation of the lower Cambrian.

文摘: 湖南新晃贡溪重晶石矿床赋存于下寒武统牛蹄塘组中.

The Gongxi barite deposit hosts in the Niutitang formation of the lower Cambrian.

湖南新晃贡溪重晶石矿床赋存于下寒武统牛蹄塘组中.

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-Ordovician petroleum system is the most important system type in the northern region of Tarim basin.

寒武系 — 奥陶系源岩含油气系统是塔北地区最重要的一类已知含油气系统.

The Cambrian phosphoric ore is mainly composed of calcic phosphate, carbonate, silica and silicate minerals.

寒武系磷矿主要由钙磷酸盐 、 碳酸盐 、 硅质及硅酸盐类等矿物组成.

It has an important significance for researching the evolution of the Early Metabiota of Cambrian.

时代为早寒武世末期,介于著名的早寒武世早期澄江动物群和中寒武世早期凯里动物群之间,对于早期后生动物的演化研究具有重要的意义.