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首页> 外文期刊>Geologia >RIFT-RELATED ENVIRONMENTAL CHANGE IN THE NORTHERN TETHYS BASED ON ND AND SR ISOTOPES IN THE MIDDLE AND UPPER JURASSIC CARBONATES OF THE PIENINY KLIPPEN BELT
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RIFT-RELATED ENVIRONMENTAL CHANGE IN THE NORTHERN TETHYS BASED ON ND AND SR ISOTOPES IN THE MIDDLE AND UPPER JURASSIC CARBONATES OF THE PIENINY KLIPPEN BELT

机译：纪尼彭带中，上侏罗统碳酸盐岩中ND和SR同位素对北半球的漂移相关环境变化

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摘要

The Pieniny Klippen Belt was formed during the Late Cretaceous-Cenozoic tectonic movements due to the closure of the Pieniny Klippen Basin (PKB), a former part of northern sector of the Tethys Ocean. Data collected from the Middle and Upper Jurassic rocks from the Veliky Kamenets section, Western Ukraine (see Lewandowski et al., 2005,3Palaeo, 216, 53-72) to the Western Slovakia (Lewandowski et al., in prep.) speak in favor of significant paleogeographic rearrangement of the crustal units, which formed the substratum of PKB. A direct implication of observed shallowing of paleolatitude, amounting 10° between the Early Callovian and the Middle Oxfordian (ca. 10 Ma), was a rapid and a longrange drift of PKB basement, rifted off the northern European Craton toward the South. Sedimentary record of this event is lacking, a hiatus embracing the Middle Callovian/Early Oxfordian time span. Our goal was to test the rifting scenario using geochemical signatures of rocks bracketing the hiatus.
机译：Pieniny Klippen带是在白垩纪-新生代构造运动期间形成的，这是由于Pieniny Klippen盆地（PKB）（特提斯海洋北部的前部分）的关闭所致。从乌克兰西部的Veliky Kamenets断层（见Lewandowski等，2005，3Palaeo，216，53-72）到斯洛伐克西部（Lewandowski等，准备）的中侏罗纪岩石和上部侏罗纪岩石收集的数据说。有利于地壳单元的重大古地理重排，形成了PKB的底层。观察到的古纬度浅度的直接影响是早期卡洛夫期和中牛津期之间（约10 Ma），共10°，这是PKB基底的快速而长期的漂移，它从欧洲北部的Craton向南裂开。缺乏该事件的沉积记录，包括中卡洛维时期/牛津早期时期的中断。我们的目标是使用包围裂孔的岩石的地球化学特征来测试裂谷情景。

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