晚志

大宁岩体由二长花岗岩、花岗闪长岩及石英二长闪长岩组成，侵入时代为晚志留世（K&Ar法407、445Ma）。

Daning pluton is composed of monzonitic granite , granodiorite and quartz monzodiorite . It 's intrusive era is late silurian epoch ( K-Ar method : 407 、 445Ma ) .

新疆北塔山晚志留&早泥盆世苔藓虫

Late Silurian - Early Devonian bryozoans from Baytik mountain of Xinjiang

北祁连山发现晚志留世牙形刺

The discovery of late Silurian conodonts in the northern Qilian Mountains

西准噶尔晚志留世、早泥盆世孢子和疑源类

Late silurian - Early Devonian spores and acritarchs from west Junggar

云南曲靖晚志留世和早泥盆世介形类

Late Silurian and Early Devonian Ostracodes from the Qujing area , Yunnan

西秦岭晚志留世&泥盆纪的虫颚化石

Upper Silurian to Devonian scolecodont fossils from West Qinling Mountains

滇东曲靖地区晚志留世四射珊瑚动物群

Late Silurian rugose coral fauna from the Qujing district , East Yunnan

晚志留世时已经进入造山期后演化阶段。

In Late Silurian epoch , the ocean closed and started postorogenic evolution .

晚志留世-泥盆纪盆地处于挤压状态，出现了大范围的隆起；

During upper Silurian-Devonian , the basin is in extrusion state , and turn up large scale uplift ;

甘肃公婆泉铜矿田中&晚志留世浅海相火山喷发旋回及火山作用演化

The Middle and Late Silurian Marine Volcano Eruption Cycle and Volcano Action Evolution of Gongpoquan Copper Ore Field , Gangsu Province

华北古陆板块北侧古蒙古洋板块俯冲、消亡及晚志留&泥盆系的沉积作用

The subduction and consumption of Ancient Mongolian Ocean plate and the upper Silurian-Devonian sedimentation in the flank of the North China plate

矿化过程经历晚志留世火山热液充填交代作用和海西早期岩浆热液的叠加、改造作用。

The mineralization was formed by filling metasomasis of the Upper Silurian volcanic hydrothermal solution , and superimposition reformation of the Hercynian magmatic hydrothermal solution .

晚志留世-早泥盆世期间沿大陆边缘局部撕裂形成一系列拉张断陷盆地，同时引发的火山喷发作用和岩浆侵入作用是成矿作用发生的直接诱因。

Because of the subduction , a series of stretched and fault-through basins formed in late Silurian to early Devonian , volcanic emission and magmatic intrusion directly urged metallogenesis .