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首页> 外文期刊>Earth and Planetary Science Letters: A Letter Journal Devoted to the Development in Time of the Earth and Planetary System >The Middle Triassic magnetostratigraphy from the Peri-Tethys basin in Poland
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The Middle Triassic magnetostratigraphy from the Peri-Tethys basin in Poland

机译：波兰Peri-Tethys盆地的中三叠世地层学

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摘要

The paper presents the first complete magnetic polarity scale obtained for the Middle Triassic of the northern Peri-Tethys area. The Roetian and Muschelkalk deposits of southern Poland (Upper Silesia, the Holy Cross Mountains) were studied paleomagnetically. The obtained paleopole 'A' (52°N, 143°E) fits well to the Middle Triassic (ca. 240 Ma) segment of the Stable European APWP. A set of various quality characteristic directions isolated in 106 samples was used for construction of the composite polarity scale. This Peritethyan scale has been tied with conodont zonation and referred to the scale erected earlier in the Tethyan realm. Comparison of both scales indicates that the whole Roetian succession in the southern Polish basin should be correlated with the latest Olenekian. The normal marine sedimentation ceased in the Polish basin as early as in the late Fassanian time. The obtained magnetostratigraphic scale combined with the sequence stratigraphic framework enables a reliable chronological correlation of the late Olenekian-Ladinian succession over the entire Peri-Tethys Basin.
机译：本文介绍了北佩特提斯地区中三叠纪获得的第一个完整的磁极性标度。波兰南部（上西里西亚，圣十字山脉）的Roetian和Muschelkalk矿床被古地磁研究了。所获得的古极'A'（52°N，143°E）非常适合欧洲稳定APWP的中三叠纪（约240 Ma）段。在106个样本中隔离的一组各种质量特征方向用于构建复合极性标尺。该Peritethyan规模与牙形体分区相关联，并指的是早在Tethyan领域中建立的规模。两种量表的比较表明，波兰南部盆地的整个Roetian演替应该与最新的Olenekian相关。早在法萨尼时代晚期，波兰盆地就停止了正常的海洋沉积。所获得的地层刻度与层序地层格架相结合，使得整个佩里-特提斯盆地晚奥列尼克期-拉丁期演替具有可靠的时间相关性。

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