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单词 Uralian Orogenic Belt
释义

Uralian Orogenic Belt

中文百科

乌拉尔造山运动 Uralian orogeny

(重定向自Uralian Orogenic Belt)

乌拉尔造山运动是指以乌拉尔山脉形成为代表的造山运动。开始于晚二叠纪,约2.7亿年前。结束于三叠纪约2.3亿年前。其根源是接合的西伯利亚大陆与哈萨克大陆,与西侧的波罗地大陆碰撞。形成盘古大陆的最后部份。

这场造山运动影响所及,成为乌拉尔造山带(Uralian orogenic belt),从亚速海到新地岛, 除了乌拉尔山脉外, 还包括最北端靠海的帕伊耶尔山以及哈萨克斯坦西北作为里海水系分水岭的穆戈贾尔山脉。总长度达3500千米,其中乌拉尔山长2500千米。

英语百科

Uralian orogeny 乌拉尔造山运动

(重定向自Uralian Orogenic Belt)

The Uralian orogeny refers to the long series of linear deformation and mountain building events that raised the Ural Mountains, starting in the Late Carboniferous and Permian periods of the Palaeozoic Era, ca. 318-299 and 299-251 Mya, and ending with the last series of continental collisions in Triassic to early Jurassic times. In terms of plate tectonics, the Uralian orogeny resulted from a southwestern movement of the Siberian plate, catching a smaller landmass, Kazakhstania, between it and the nearly completely assembled supercontinent, Pangaea. The mountains of Eastern Europe on the paleocontinent Laurussia, and those of Western Siberia both rose as the edge of Kazakhstania dove under the European plate. This event was the last stage in the assembly of Pangaea.

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更新时间:2025/6/20 19:49:10