Permian-Triassic granites of the Schladming complex (Austroalpine basement): Implications for subduction of the Paleo-Tethys Ocean in the Eastern Alps

Huang, Qianwen; Neubauer, Franz; Liu, Yongjiang; Genser, Johann; Guan, Qingbin; Chang, Ruihong; Shen, Yuan; Yu, Shengyao

doi:10.1016/j.gr.2022.05.006

Cited by 9 publications

(1 citation statement)

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“…One of the main geodynamic hypotheses of their origin explains that at the transition from Permian to Triassic, Eurasia was a place of a widespread mafic to acidic magmatism and rifting that caused the Pangea break up (Nikishin et al, 2002, and references therein). However, in separate segments of the orogen, some authors proposed a continuation of the Variscan subductionrelated magmatism (Bonev et al, 2021 in Sakar;Huang et al, 2022 in the Eastern Alps) or a crustal melting by mantle-derived melts, penetrating or underplating the crust in a post-orogenic environment (Poli et al, 2009;Peytcheva et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

Permian–Triassic A-type rhyolites from the Central Balkanides (Stara Planina Mountains), Bulgaria

Georgiev¹,

Lazarova²,

Balkanska³

2022

Rev. Bulg. Geol. Soc.

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The rhyolites from the Central Balkan and Sinite Kamani areas are formed in a close time span from 254.6 to 250.7 Ma, while those next to the village of Vlado Trichkov are a little bit earlier (260.3±1.0 Ma). Both age groups follow the voluminous late Carboniferous to early Permian igneous activity that ceased around 290 Ma. The geochemical characteristics of the Vlado Trichkov dacite are comparable to those from the earlier magmatic event. On the other hand, the rocks from the Central Balkan and Sinite Kamani areas show trends of A-type granitoids. The origin of this magmatic products could be attributed to a crustal melting by mantle-derived melts, penetrating or underplating the crust in a post-orogenic setting during the initial extension and rifting, preceding the opening of the Vardar-Meliata Ocean.

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Section: Introductionmentioning

confidence: 99%