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.
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.
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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.
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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 )
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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.
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5. Sq 1 , Sq 4, Sq 10 are three favorableexploratory sequence of the Silurian and Devonian in Tarim basin.
