Geochemical Analysis as a Complementary Tool to Estimate the Uplift of Sediments Caused by Shallow Gas Hydrates in Mounds at the Seafloor of Joetsu Basin, Eastern Margin of the Japan Sea
Figure 6
ROV Hyper Dolphin photos showing push coring operation at nongas hydrate seep site (756-MB-1) for reference at Joetsu Knoll (a) and at gas hydrate mound (833-MBL-1) at Umitaka Spur (b). Note carbonate nodules on the seafloor at gas hydrate mound.
