An archipelagic apron for a fan-shaped gently sloping region of sea floor found around oceanic islands, particularly in the south Pacific Ocean. The name was first proposed by Henry William Menard in 1956 because of the resemblance of the slope to an apron. While most such underwater sedimentary surfaces are generally smooth, some are rough in tex...
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http://en.wikipedia.org/wiki/Archipelagic_apron
layers of volcanic rock that form a fanlike slope around groups of ancient or recent islands, most commonly in the central and southern Pacific ...
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http://www.britannica.com/eb/a-z/a/95
No exact match found.
