The Okinawa Trough (OT) is the solitary active backarc basin in the world that is formed by extensional rifting in the continental marginal zone and is in the early stage of evolution.
冲绳海槽是当今世界上唯一的在大陆边缘张裂形成的、处于早期演化阶段的活动性大陆边缘弧后盆地。
The marginal basins along the trough between different massifs or the marginal zone between massif and ocean trough are favorable for oil and gas generation.
地块之间的海槽或地块与海槽过渡的边缘带盆地是油气形成的有利地带。
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