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Celebrating Marie Tharp

Marie Tharp’s pioneering contributions to seafloor mapping helped reveal Earth’s submarine landscape in unprecedented detail. Although her findings were initially dismissed by fellow researcher Bruce Heezen as "girl talk," her work ultimately played an essential role in the acceptance of the theory of plate tectonics.

Explore Marie Tharp’s groundbreaking 1977 World Ocean Floor map and discover how it transformed our understanding of the Earth in this fun, informative interactive!

Check out Google Doodle's‬ celebration of Marie Tharp with this creative exploration of her life, work, and legacy!

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Make a statement in your next meeting by using this iconic map as your background.

World Ocean Floor Map (1977) by Heezen & Tharp
World Ocean Floor Map (1977) by Heezen & Tharp

Reproduced with permission from Marie Tharp Maps LLC and Lamont-Doherty Earth Observatory.

Have a request for photos, maps, permissions, or historical information? Contact Stacey Vassallo at [email protected].