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PALAEOGEOGRAFIA ARKTYKI W JURZE Palaeogeography of Arctic during Jurassic times

机译:侏罗纪时期的北极古地理

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摘要

Four maps illustrate geodynamic evolution and development palaeoenvironment and palaeolithofacies of the circum-Arctic region during Jurassic times. Plate tectonic process involved break-up of the supercotinent Pangea, rifting and spreading, closure on Mongol-Okhock and Anui oceans, collision of terranes with North America. Clastic sedimentation prevailed during Jurassic in the region. Important source rocks were deposited during Late Jurassic-Early Cretaceous times.
机译:四张地图分别说明了侏罗纪时期北极圈内地球动力学演化和​​发展古环境和古岩相。板块构造过程包括超级余热的Pangea破裂,裂谷和扩散,蒙古-奥克ock和Anui海洋的封闭,地层与北美的碰撞。在该地区的侏罗纪,碎屑沉积普遍存在。重要的烃源岩在侏罗纪-早白垩世时期沉积。

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