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Deep-sea trench
Deep-sea trench
A long, narrow, characteristically very deep and asymmetrical depression of the sea floor, with relatively steep sides. Oceanic trenches characterize...
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Figure 1. Deep-sea trenches in the Pacific-Melanesian-Indonesian hemisphere. Broken line indicates filled trench.
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Figure 2. Interpretive section across Tonga Trench near 20°S, based on dredged rock distribution, seismic refraction and reflection surveys, and seabeam data;...
From Encyclopedia article '
Deep-sea trench
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deep-sea trench
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