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Tethyan oceans reconstructions with emphasis on the ‎Early ‎‎Carboniferous Pir-Eshagh A-‎‎type rhyolite and the ‎Late Palaeozoic magmatism in Iran

Jamei, Susan; Ghorbani, Mansour; Williams, Ian; Moayyed, Mohsen


The Late Palaeozoic rock associations, in particular A-type igneous rocks, of Iran are rarely exposed, but they are key to reconstructing the evolutionary history of the Tethyan oceans. Zircon U–Pb dating of a representative rhyolite sample from Pir-Eshagh, NW Iran, yields an Early Carboniferous (Visean) crystallization age of 340 ± 2.7 Ma. The extrusive rhyolite has the chemical characteristics of the A1 subtype of A-type magmas, providing evidence for a magmatic activity within extensional...[Show more]

CollectionsANU Research Publications
Date published: 2020
Type: Journal article
Source: International Geology Review
DOI: 10.1080/00206814.2020.1768443


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