This paper describes structurally controlled gas seeps and their influence on seafloor morphology at sites within Queen Charlotte Basin (QCB); a sedimentary...
A three-dimensional seismic reflection survey was carried out over a gas hydrate field offshore Vancouver Island in the area of Ocean Drilling Program Leg 146,...
A 1.5 km long, 1 km wide and 70-80 m high carbonate mound was identified on the mid-slope region of the subduction accretionary sedimentary prism offshore...
Below water depths of about 300 metres, pressure and temperature conditions cause methane to form ice-like crystals of methane hydrate. Marine deposits of...
Natural gas hydrate was first recognized on the Cascadia margin in 1985 through the characteristic bottom-simulating reflector (BSR) on conventional...
In November 2000, the commercial fishing vessel Ocean Selector recovered over 1000 kg of gas hydrate in a trawl net. The catch occurred in 800 m near the head...
This paper presents a comprehensive, multidisciplinary study of cold vents associated with near-seafloor gas hydrate. Several cold vents characterized by...
A multichannel seismic survey was carried out using the high?resolution deep?towed acoustics/geophysics system (DTAGS) to image the structure of deep?sea gas...
Integrated Ocean Drilling Program Expedition 311 is based on extensive site survey data and historic research at the northern Cascadia margin since 1985. This...
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