A Late Cretaceous ensimatic arc developed during closure of the northern branch of Neo-Tethys (central-northern Turkey)

Beyazpirinç, Metin; Akçay, Ali Ekber; Yılmaz, Ali Osman; Sönmez, Meftun Kerem

doi:10.1016/j.gsf.2018.05.013

Cited by 2 publications

(1 citation statement)

References 29 publications

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“…This model is widely accepted and proposes that the ophiolitic units that are exposed between the Pontide arc and the Tauride belt are remnants of a suprasubduction zone ophiolite, as well. In addition, double north-dipping subduction zones have been suggested to describe the tectonic evolution of the northern branch of the Neo-Tethys, in the Jurassic and/or Early Jurassic Topuz et al, 2013;Uysal et al, 2015), Jurassic-Cretaceous (Parlak et al, 2013;Robertson et al, 2013), Cretaceous (Sarıfakıoğlu et al, 2009), and Late Cretaceous periods (Yılmaz and Yılmaz, 2013;Beyazpirinç et al, 2018).…”

Section: Discussionmentioning

confidence: 99%

Structural evolution of the Eastern Anatolian Basins: an example from collisional to postcollisional tectonic processes, Turkey

Yılmaz¹,

Yılmaz²

2019

Turkish J Earth Sci

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Section: Discussionmentioning

confidence: 99%

Structural evolution of the Eastern Anatolian Basins: an example from collisional to postcollisional tectonic processes, Turkey

Yılmaz¹,

Yılmaz²

2019

Turkish J Earth Sci

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Origin and Evolution of the Late Cretaceous Reworked Phosphorite in the Sirhan-Turayf Basin, Northern Saudi Arabia

Zhang

Dini

et al. 2021

Minerals

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The redeposition of pristine phosphorite plays an important role in phosphorus accumulation, which created reworked phosphorite extensively on the continental shelf. This paper, using geochemical analysis combined with data from petrology and diagenesis, focuses on the reconstruction of the formation processes of the Late Cretaceous Thaniyat phosphorite deposition in northwestern Saudi Arabia, which is a part of the famous large Neo-Tethys Ocean’s phosphorite deposit. The results of our study illustrate that the phosphorites represent the reworked products from the north, close to the edge of the Neo-Tethys Ocean’s shelf, where upwelling had accreted the pristine phosphorite. The reworked phosphatic grains were redeposited near the shore in sandstone, forming sandy phosphorite and on a carbonate platform and creating calcareous phosphorite. The microscale sedimentological and geochemical information hosted in the eroded phosphorite grains indicates that the source sediment, pristine phosphorite, occurred under a fluctuating geophysical condition and in a relatively limited geochemical environment. They were physically crushed and transported landward and deposited under oxic conditions, forming the Thaniyat phosphorites. Early diagenesis in the Thaniyat phosphorite was evidenced by recrystallization of the phosphate minerals, geochemical depletion, and C and O isotope excursion.

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A Late Cretaceous ensimatic arc developed during closure of the northern branch of Neo-Tethys (central-northern Turkey)

Cited by 2 publications

References 29 publications

Structural evolution of the Eastern Anatolian Basins: an example from collisional to postcollisional tectonic processes, Turkey

Structural evolution of the Eastern Anatolian Basins: an example from collisional to postcollisional tectonic processes, Turkey

Origin and Evolution of the Late Cretaceous Reworked Phosphorite in the Sirhan-Turayf Basin, Northern Saudi Arabia

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