Characteristics of the bottom simulating reflectors near mud diapirs: offshore southwestern Taiwan
Resource
Geo-Marine Letters 20 (1): 3-9
Journal
Geo-Marine Letters
Pages
3
Date Issued
2000
Date
2000
Author(s)
Abstract
Single-channel seismic recording was carried out off the southwestern coast of Taiwan. Six characteristic seismic facies associated with bottom simulating reflectors (BSRs) and mud diapirs are identified. The existence of reflections which mimic the seafloor, the reverse polarity, weak amplitude blocks, and strong diffraction patterns around the mud diapirs all suggest that gas hydrates exist in the deep-water regions. The bases of the hydrate stability zones upturn in the vicinity of mud volcanoes. The high heat flows of mud volcanoes provide heat sources which destabilize the gas hydrates and upturn the BSRs.
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Type
journal article
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