Geochemistry and apatite U–Pb geochronology of alkaline gabbros from the Nodoushan plutonic complex, Sanandaj–Sirjan Zone, Central Iran: Evidence for Early Palaeozoic rifting of northern Gondwana

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2019-07-01

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Alavijeh, Badieh Shahsavari
Rashidnejad‐omran, Nematollah
Toksoy Köksal, Fatma
Chew, David
Szopa, Krzysztof
Ghalamghash, Jalil
Aleksandra, Gaweda

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https://hdl.handle.net/11511/74081

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Geological Journal

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Geochemistry and apatite U-Pb geochronology of alkaline gabbros from the Nodoushan plutonic complex, Sanandaj-Sirjan Zone, Central Iran: Evidence for Early Palaeozoic rifting of northern Gondwana Alavijeh, Badieh Shahsavari; Rashidnejad-Omran, Nematollah; Toksoy Köksal, Fatma; Chew, David; Szopa, Krzysztof; Ghalamghash, Jalil; Gaweda, Aleksandra (2019-07-01) The Zagros Orogen formed during the Cenozoic collision of Arabia with Eurasia and resulted in the closure of the Neo-Tethys Ocean. Collision was preceded by a complicated tectonic history involving Pan-African orogenesis, Late Palaeozoic rifting and the formation of Neo-Tethys, and subsequent Mesozoic convergence on the northern margin of the ocean contemporaneous with ophiolite obduction on its southern margin. The Sanandaj-Sirjan Zone (SaSZ) is a metamorphic belt within the Zagros Orogen of Gondwanan prov...
Geochemistry and Tectonic Implications of Leucogranites and Tourmalines of the Southern Menderes Massif, Southwest Turkey Bozkurt, Erdin; Mittwede, Steven K.; Ottley, Christopher J. (Informa UK Limited, 2006-10) Granitoid rocks of the southern Menderes Massif, SW Turkey include widespread possibly Ediacaran high-grade granitic orthogneisses and younger (Tertiary) sheets, sills and/or dikes of variably deformed tourmaline-bearing leucogranites. The latter are confined to the immediate footwall of the regional-scale ductile southern Menderes shear zone. Although both sets of granitoid rocks are essentially calc-alkaline and peraluminous, the syn- to post-collisional tourmaline-bearing leucogranites are chemically dis...
GEOCHEMISTRY AND PETROGENESIS OF THE ARC-RELATED KÖSDAĞ METAVOLCANICS, SOUTHERN CENTRAL PONTIDES, NORTHERN TURKEY Berber, Faruk; Sayıt, Kaan; Department of Geological Engineering (2021-12-27) The Kösdağ Metavolcanics (KM) in the southern Central Pontides crops out between the Izmir-Ankara-Erzincan Suture Zone (IAESZ) in the south and the Sakarya Composite Terrane in the north. The unit is represented by a low-grade metamorphic assemblage including meta-basics, meta-intermediates, and meta-felsics, interlayered with recrystallized limestone, mudstone, and chert. While the unit is bounded to the north by the North Anatolian Fault Zone (NAFZ), the Dikmen Formation stratigraphically overlie the unit...
Geochemistry and Zircon U-Pb Dates of Felsic-Intermediate Members of the Late Cretaceous Yuksekova Arc Basin: Constraints on the Evolution of the Bitlis-Zagros Branch of Neotethys (Elazig, E Turkey) Ural, Melek; Sayıt, Kaan; KORALAY, OSMAN ERSİN; Göncüoğlu, Mehmet Cemal (2021-08-01) During the Late Cretaceous in the Eastern Mediterranean, the northern branch of the southern Neotethys was closed by multiple northward subductions. Of these, the most northerly located subduction created the Baskil continental arc at around 82-84 Ma. The more southerly and intra-oceanic subduction, on the other hand, produced an arc-basin system, the Yuksekova Complex, as early as the late Cenomanian-early Turonian. The abundant and relatively well-studied basaltic rocks of this complex were intruded by dy...
Geochemistry and petrogenesis of the diabase dykes from the Boğazkale region (Çorum, Central Anatolia) Balcı, Uğur; Sayıt, Kaan; Department of Geological Engineering (2018) The Izmir-Ankara-Erzincan (IAE) Suture Belt contains oceanic and continental fragments derived from the northern branch of Neotethys and associated continental entities. In the Boğazkale region (Çorum, Central Anatolia), the pieces of Neotethyan oceanic lithosphere are present in a chaotic manner, and form an ophiolitic mélange. Diabase dykes are observed in the mélange, which cross-cut various rock types of oceanic lithosphere, such as pillow basalts, gabbros and ultramafics. This study aims to investigate...

Citation Formats

B. S. Alavijeh et al., “Geochemistry and apatite U–Pb geochronology of alkaline gabbros from the Nodoushan plutonic complex, Sanandaj–Sirjan Zone, Central Iran: Evidence for Early Palaeozoic rifting of northern Gondwana,” Geological Journal, pp. 1902–1906, 2019, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/74081.