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Keywords = Mentelle Basin

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7 pages, 1455 KiB  
Proceeding Paper
Petrophysical Characteristics of Hydrothermally Altered Volcaniclastic-Rich Sedimentary Sequence on the Naturaliste Plateau, Offshore Southwestern Australia (IODP Site U1513)
by Eun Young Lee, Laurent Riquier, Maria Luisa G. Tejada, Seung Soo Chun, Lloyd T. White, Bernhard Schnetger and Hans-Jürgen Brumsack
Proceedings 2023, 87(1), 5; https://doi.org/10.3390/IECG2022-13955 - 9 Jan 2023
Viewed by 1241
Abstract
Drilling at Site U1513 recovered the Lower Cretaceous volcaniclastic-rich sedimentary sequence on the Naturaliste Plateau and Mentelle Basin, offshore southwestern Australia. The sequence exhibits distinct lithologic characteristics, which are attributed to volcanism and subsidence that occurred during the breakup between Greater India and [...] Read more.
Drilling at Site U1513 recovered the Lower Cretaceous volcaniclastic-rich sedimentary sequence on the Naturaliste Plateau and Mentelle Basin, offshore southwestern Australia. The sequence exhibits distinct lithologic characteristics, which are attributed to volcanism and subsidence that occurred during the breakup between Greater India and Australia–Antarctica. It consists of sandstones, siltstones, and silty claystones with abundant volcanic clasts, lithics, and hydrothermal alteration. This study characterizes petrophysical properties of the sequence and correlate them with lithologic and mineralogical features. The properties show noticeable variations. Our results confirm that the petrophysical characteristics are associated with grain size, volcanic matter, organic content, as well as hydrothermal alteration minerals. Full article
(This article belongs to the Proceedings of The 4th International Electronic Conference on Geosciences)
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