Longitudinal and Temporal Evolution of the Tectonic Style Along the Cyprus Arc System, Assessed Through 2‐D Reflection Seismic Interpretation

Longitudinal and Temporal Evolution of the Tectonic Style Along the Cyprus Arc System, Assessed Through 2‐D Reflection Seismic Interpretation
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通过二维反射地震解释评估塞浦路斯弧系构造样式的纵向和时间演化

DOI:
10.1002/2017tc004667
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发表时间:
2018
期刊:
影响因子:
4.2
通讯作者:
N. Papadimitriou
N. Papadimitriou
中科院分区:
地球科学1区
文献类型:
--
作者:
V. Symeou;C. Homberg;F. Nader;R. Darnault;J. Lecomte;N. Papadimitriou

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塞浦路斯弧系统构成了东地中海地区主要的活动板块边界。这种结构与晚白垩世以来非洲板块和欧亚板块的向北汇聚直接相关。利用二维反射地震数据,对塞浦路斯岛南部的主要板块结构及其横向演化进行成像。对这些数据的解释可以识别塞浦路斯岛弧系统以南三个不同地壳域中的九个构造沉积包:(1)黎凡特盆地(衰减的大陆地壳),(2)埃拉托色尼微大陆(大陆地壳)和(3)希罗多德盆地(海洋地壳)。在这些领域内,记录和分析了许多构造结构,以便了解变形的机制和时间。在北部,中新世早期沿着拉纳卡和马尔加特山脊开始向南逼近逆冲,而在中新世之前沿着拉塔基亚山脊没有发现任何活动。因此,变形前缘向南迁移,并伴随着塞浦路斯盆地等弯曲盆地和地层上超的发育。变形的顶峰发生在中新世中晚期。上新世时代的区域性不整合标志着第一次变形序列的结束。在上更新世时期,安纳托利亚微板块向西逃逸导致现有结构的重新激活。沿着板块边界的变形演变是通过正花结构的产生来识别的,正花结构揭示了沿着拉纳卡和拉塔基亚山脊(东部区域)的压压运动,而在埃拉托色尼区域,弯曲盆地突出了压缩状态。
The Cyprus Arc system constitutes a major active plate boundary in the eastern Mediterranean region. This structure is directly linked with the northward convergence of the African and Eurasian plates since the Late Cretaceous. Two‐dimensional reflection seismic data were utilized, which image the main plate structures and their lateral evolution south of the island of Cyprus. Interpretation of these data allowed the identification of nine tectono‐sedimentary packages in three different crustal domains south of the Cyprus Arc system: (1) the Levant Basin (attenuated continental crust), (2) the Eratosthenes microcontinent (continental crust), and (3) the Herodotus Basin (oceanic crust). Within these domains, numerous tectonic structures were documented and analyzed in order to understand the mechanism and timing of deformation. In the north, south verging thrusting commenced in early Miocene along the Larnaca and Margat ridges, whereas no activity was identified before middle Miocene along the Latakia Ridge. Thus, the deformation front migrated southward and was accompanied by the development of flexural basins and stratigraphic onlaps as in the Cyprus Basin. The acme of deformation occurred in mid‐late Miocene. A regional unconformity of Pliocene age marks the end of the first deformation sequence. In Plio‐Pleistocene time, the westward escape of the Anatolian microplate resulted in the reactivation of existing structures. The evolution of deformation along the plate boundary is identified from the creation of positive flower structures revealing transpressive movements along the Larnaca and Latakia Ridges (eastern domains), whereas in the Eratosthenes domain a flexural basin highlights a compressive regime.
DOI: 10.1016/j.tecto.2014.04.002
发表时间: 2014-06
期刊: Tectonophysics
影响因子: 2.9
作者:
Jennifer Klimke;A. Ehrhardt
通讯作者: Jennifer Klimke;A. Ehrhardt
地中海最东端的赫卡泰乌斯海隆:非洲-安纳托利亚板块边界中新世-第四纪汇聚和早期大陆-大陆碰撞的结构记录
DOI: 10.1016/j.marpetgeo.2015.04.021
发表时间: 2015
影响因子: 4.2
作者:
Reiche;Hübscher
通讯作者: Hübscher
地中海东部塞浦路斯岛弧上从埃拉托色尼海山到赫卡泰乌斯海隆的地壳地震速度结构
DOI: 10.1093/gji/ggu447
发表时间: 2015
影响因子: 2.8
作者:
Welford;Hübscher;Reiche;Louden
通讯作者: Louden