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Reconnaissance Basement Geology and Tectonics of South Zealandia

Tulloch, Andrew; Mortimer, Nick; Ireland, Trevor; Waight, Tod E.; Maas, Roland; Palin, J.; Sahoo, Tusar; Seebeck, Hannu; Sagar, Matt W.; Barrier, Andrea; Turnbull, Rose E.


We report new U‐Pb zircon ages, geochemical and isotopic data for Mesozoic igneous rocks, and new seismic interpretations of mostly submerged South Zealandia (1.5 Mkm2). We use these data, along with existing geological and geophysical data sets, to refine the extent and nature of geological units. Our new 1:25 M geological map of South Zealandia provides a regional framework to investigate the rifting and breakup that formed Zealandia, Earth's most submerged continent. Samples of prerift...[Show more]

CollectionsANU Research Publications
Date published: 2019-02-08
Type: Journal article
Source: Tectonics
DOI: 10.1029/2018TC005116
Access Rights: Open Access


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