An American geologist and oceanographic cartographer who, barred from research ships for most of her career because she was a woman, mapped the ocean floor from Bruce Heezen's sounding data anyway, and read in its shape the Mid-Atlantic Ridge's central rift valley, the seafloor evidence that helped turn continental drift into plate tectonics.
Facts
BirthplaceYpsilanti, Michigan, United States 1 Defining ContributionCollaborated with geologist Bruce Heezen to produce the first scientific map of the Atlantic Ocean floor, and in doing so identified the rift valley running down the center of the Mid-Atlantic Ridge, a discovery that provided crucial physical evidence for seafloor spreading and continental drift at a time when both were still widely doubted. 1 Cross-Tradition Connections
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