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silurian

英 [sai'ljuəriən; si-] 美

n. [地质] 志留纪；希留利亚纪
adj. 志留纪的；希留利亚纪的

英英释义

1. from 425 million to 405 million years ago; first air-breathing animals

实用场景例句

Porphyry mineralization, occurred in the Silurian Period, finally formed ore bodies.: 晚期矿化发生于志留纪, 使矿床最终形成.

The contact relationship between Silurian and Devonian is parallel unconformity.: 泥盆系与志留系之间为平行不整合接触.

THE RETZIELLIDAE ( SILURIAN RIBBED IMPUNCTATE ATHYRIDIDINE BRACHIOPODS ): 论志留纪的小莱采贝类——具壳线、无疹无窗贝族(腕足动物 )

Silurian System in Tarim Basin is distributed in an area of about 23.: 塔里木盆地志留系分布面积约23.

Sq 1 , Sq 4, Sq 10 are three favorableexploratory sequence of the Silurian and Devonian in Tarim basin.: Sq1 、 Sq4、Sq10是塔里木盆地志留-泥盆系的三个有利勘探层序.

The hydrocarbon generation content in Lower Cambrian and Lower Silurian is up to 60 % ～80 % of total.: 原始生烃量以下古生界为主,下寒武统和下志留统的生烃量约占总生烃量的60%～80%.

From the Early Silurian large scale of retrogression had begun accompanying the Late Caledonian movement.: 晚加里东运动(始于早志留世)发生了大规模的海退.

It changed to ancient land due vertical movement in the end of the Silurian.: 南秦岭在早古生代是扬子板块的被动大陆边缘,在志留纪末曾因垂向隆升变为古陆.

The discovery of the Silurian - Devonian oil and gas reservoir reveals a good exploration prospect.: 塔里木盆地志留 - 泥盆系油气藏的发现,展示了志留-泥盆系良好的勘探潜力.

A rift trough along Mianxian - Lueyang ophiolitic melange belt was formed from Ordovician to Silurian.: 奥陶纪—志留纪大致沿勉略构造带形成南秦岭裂陷槽.

双语例句

1. Porphyry mineralization, occurred in the Silurian Period, finally formed ore bodies.: 晚期矿化发生于志留纪, 使矿床最终形成.

2. The contact relationship between Silurian and Devonian is parallel unconformity.: 泥盆系与志留系之间为平行不整合接触.

3. THE RETZIELLIDAE ( SILURIAN RIBBED IMPUNCTATE ATHYRIDIDINE BRACHIOPODS ): 论志留纪的小莱采贝类——具壳线、无疹无窗贝族(腕足动物 )

4. Silurian System in Tarim Basin is distributed in an area of about 23.: 塔里木盆地志留系分布面积约23.

5. Sq 1 , Sq 4, Sq 10 are three favorableexploratory sequence of the Silurian and Devonian in Tarim basin.: Sq1 、 Sq4、Sq10是塔里木盆地志留-泥盆系的三个有利勘探层序.

英文词源

Silurian (adj.): 1708, "pertaining to the Silures," from Latin Silures "ancient British tribe inhabiting southeast Wales." Geological sense is from 1835, coined by Sir Roderick Impey Murchison (1792-1871) because rocks of this period are especially frequent in Wales.

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