Wealth of seafloor features emerges from new survey

A new survey of Earth’s deep ocean — 80 percent of which remains unmapped — has revealed a wealth of previously unknown features, including thousands of seamounts as well as a variety of undersea tectonic features that are either buried under too much sediment or were simply too small to be seen before.

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Timothy Oleson

Timothy Oleson

Tim is the news editor at EARTH, and writes the Bare Earth Elements blog. His scientific interests span the geosciences from biogeochemistry to seismology to space science. Formerly based in Madison, Wis., he now resides in the Washington, D.C., area.

Saturday, February 14, 2015 - 06:00