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  2. 1957
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    Beginning in 1957, Tharp and her research partner, Bruce Heezen, began publishing the first comprehensive maps that showed the main features of the ocean bottom – mountains, valleys and trenches.
    A revolutionary 1957 thematic map of the North Atlantic Basin by geologists Marie Tharp and Bruce Heezen, which contributed greatly to acceptance of the theory of plate tectonics and continental drift.
    Marie Tharp, born in 1920, was a geologist and oceanographer who created maps that changed the way people imagine two-thirds of the world. Beginning in 1957, Tharp and her research partner, Bruce Heezen, began publishing the first comprehensive maps that showed the main features of the ocean bottom – mountains, valleys and trenches.
     
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    Although Tharp was later recognized and credited for her work on the Mid-Atlantic Ridge, it was Heezen who, at the time in 1956, put out and received credit for the discovery that was made. Retirement and death See more

    Marie Tharp (July 30, 1920 – August 23, 2006) was an American geologist and oceanographic cartographer. In the 1950s, she collaborated with geologist Bruce Heezen to produce the first scientific map of the Atlantic … See more

    By 1948, Tharp had spent four years in Tulsa and was looking for her next career step. She moved to New York City and initially sought work … See more

    After Heezen's death, Tharp continued to serve on the faculty of Columbia University until 1983, after which she operated a map-distribution … See more

    Like many scientists, Marie Tharp was recognized mainly later in life. Her awards include:
    • 1978 … See more

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    Marie Tharp was born on July 30, 1920, in Ypsilanti, Michigan, the only child of Bertha Louise Tharp, a German and Latin teacher, and … See more

    Before the early 1950s, scientists knew very little about the ocean floor structure. Though studying geology on land was cheaper and … See more

    In 1948, she married David Flanagan and moved with him to New York. They divorced in 1952. See more

     
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  5. WEBIn 1977, Tharp and Heezen published the first complete world map of the ocean floors. Their work helped to prove the theory of plate tectonics, the idea that the continents move over time, which was controversial until …

  6. Marie Tharp’s Adventures in Mapping the Seafloor, In Her Own …

  7. WEBAug 23, 2020 · Beginning in 1957, Tharp and her research partner, Bruce Heezen, began publishing the first comprehensive maps that showed the main features of the ocean bottom – mountains, valleys and...

  8. WEBJul 29, 2020 · Beginning in 1957, Tharp and her research partner, Bruce Heezen, began publishing the first comprehensive maps that showed the main features of the ocean bottom – mountains, valleys and...

  9. How One Brilliant Woman Mapped the Ocean Floor’s Secrets

  10. The Contrary Map Maker - The New York Times

    WEBDec 31, 2006 · One day in 1952, Heezen gave Tharp a stack of soundings (sonar measurements of the ocean depth) for the Atlantic Ocean with the injunction, “Here, do something with these.”

  11. Saluting Marie Tharp, the Trailblazing Scientist Whose Maps …

  12. The centuries-long quest to map the ocean floor | Popular Science

  13. Marie Tharp: The lady who showed us the ocean floors

  14. Marie Tharp’s maps revolutionized our knowledge of the seafloor

  15. Marie Tharp pioneered mapping the bottom of the ocean – …

  16. 8 Surprising Facts About Marie Tharp, Mapmaker Extraordinaire

  17. 8 Surprising Facts About Marie Tharp, Mapmaker Extraordinaire

  18. Marie Tharp’s revolutionary physiographic map of the North Atlantic

  19. Marie Tharp’s Adventures in Mapping the Seafloor, In Her Own …

  20. Heezen-Tharp map and papers collection. | Library of Congress