"It's pretty surreal to walk between two major pieces of Earth's crust that are drifting in different directions," Brooke ...
Marie Tharp, studying echo soundings, discovers that the Mid-Atlantic Ridge conceals a long rift valley, which turns out to be part of a hidden volcanic rent that girds the global deep.
ZME Science on MSN3mon
A stunning map of the Atlantic Ocean seafloor — and one woman’s pioneering quest to publish itThis underwater mountain range is now called the Mid-Atlantic Ridge, and it was one ... more startling was the central valley ...
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