Geophysical evidence of a large occurrence of mud volcanoes associated with gas plumbing system in the Ross Sea(Antarctica)
作者机构：National Institute of Oceanography and Applied Geophysics–OGSBorgo Grotta Gigante 42/c34010 SgonicoTriesteItaly
出 版 物：《Geoscience Frontiers》 (地学前缘（英文版）)
年 卷 期：2024年第15卷第1期
页 面：304-324页
核心收录：
学科分类：070902[理学-地球化学] 070801[理学-固体地球物理学] 0709[理学-地质学] 07[理学] 0708[理学-地球物理学]
基 金：Aspen Technology Inc Landmark Schlumberger® for the educational and academic licences of Vista Teledyne Reson, (PDS2000) VALFLU
主 题：Ross Sea Antarctica Mud volcanoes Gas plumbing system Gas hydrate Bottom Simulating Reflector
摘 要：Seafloor and buried reliefs occur along continental margin of the Ross Sea(Antarctica).These features are several kilometres wide and tens of metres high,exhibiting cone or flat-top dome *** studies have proposed a volcanic or glacial origin for these formations,but these hypotheses do not account for all the available *** this study,we use morpho-bathymetric data,intermediate resolution multichannel seismic and high resolution chirp profiles,as well as magnetic lines to investigate these clusters of *** employing targeted processing techniques to enhance the geophysical characterization of the seafloor and buried reliefs,and to understand the underlying geological features,we propose that the reliefs are mud *** of these formations appear to be associated with a plumbing system,as indicated by acoustic anomalies linked to sediment containing *** formations are likely fed by clayey source rocks of Miocene ***,other reliefs might be the result of mud mobilisation caused by gravity instability and fluid overpressure.
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