Okinawa oceantrough and Ryukyu island arc were formed in late Miocene.
中新世晚期,冲绳海槽和疏球岛弧形成。
2
The marginal basins along the trough between different massifs or the marginal zone between massif and oceantrough 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。
3
Woodside argues that an onshore plant would be both much more expensive and technically risky, entailing a pipeline through a “seismically active” 3km-deep oceantrough.