The Oceanic trench reference article from the English Wikipedia on 24-Apr-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Oceanic trench

The oceanic trenches are the deepest parts of the ocean floor, typically formed when one tectonic plate slides under another. Major world trenches include:

• Aleutian Trench
• Cayman Trench
• Japan Trench
• Kermadec Trench
• Kuril Trench
• Mariana Trench
• Middle America Trench
• Peru-Chile Trench
• Puerto Rico Trench
• Tonga Trench

See also: Oceanic ridge, plate tectonics, earth science, list of landforms.

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