Gondwana's interlinked peripheral orogens

نویسندگان

چکیده

After its Ediacaran-Early Cambrian assembly, Gondwana was flanked by a system of peripheral orogens, Terra Australis, Avalonian-Cadomian and newly defined North Indo-Australie, which display broad temporal correlations their lithotectonic records. Prior to initial histories were primarily controlled the early Neoproterozoic breakup Rodinia with second order variances reflecting differing relationships basement continental blocks that supercontinent. The Australis Orogen developed on previously occupied interior locations within successions record development passive margin. Indo-Australie orogen records similar history margin development, but at least Indian portion likely separate from Rodinia. exterior around indicating convergent plate As assembled, convergence terminated about same time as commenced in orogens. absence complete long-lived contemporaneous subduction girdle prevented breakup, contrast Pangea, presence girdles corresponds lithospheric extension across supercontinents precursor ultimate breakup.

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ژورنال

عنوان ژورنال: Earth and Planetary Science Letters

سال: 2021

ISSN: ['1385-013X', '0012-821X']

DOI: https://doi.org/10.1016/j.epsl.2021.117057