Silurian

Porphyry mineralization, occurred in the Silurian Period, finally formed ore bodies.

晚期礦化發生于志留紀, 使礦床最終形成.

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The contact relationship between Silurian and Devonian is parallel unconformity.

泥盆系與志留系之間為平行不整合接觸.

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THE RETZIELLIDAE ( SILURIAN RIBBED IMPUNCTATE ATHYRIDIDINE BRACHIOPODS )

論志留紀的小萊采貝類——具殼線、無疹無窗貝族(腕足動物 )

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Silurian System in Tarim Basin is distributed in an area of about 23.

塔里木盆地志留系分布面積約23.

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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-泥盆系的三個有利勘探層序.

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The hydrocarbon generation content in Lower Cambrian and Lower Silurian is up to 60 % ～80 % of total.

原始生烴量以下古生界為主,下寒武統和下志留統的生烴量約占總生烴量的60%～80%.

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From the Early Silurian large scale of retrogression had begun accompanying the Late Caledonian movement.

晚加里東運動(始于早志留世)發生了大規模的海退.

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It changed to ancient land due vertical movement in the end of the Silurian.

南秦嶺在早古生代是揚子板塊的被動大陸邊緣,在志留紀末曾因垂向隆升變為古陸.

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The discovery of the Silurian - Devonian oil and gas reservoir reveals a good exploration prospect.

塔里木盆地志留 - 泥盆系油氣藏的發現,展示了志留-泥盆系良好的勘探潛力.

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A rift trough along Mianxian - Lueyang ophiolitic melange belt was formed from Ordovician to Silurian.

奧陶紀—志留紀大致沿勉略構造帶形成南秦嶺裂陷槽.

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