Marie Tharp and Ocean Mapping

Marie Tharp, a pioneering geologist and cartographer, revolutionized our understanding of the ocean floor in the 1950s. Despite facing gender biases, she used sonar data to map the Atlantic Ocean, discovering a rift that supported the then-controversial theory of continental drift. Her work, initially met with skepticism, was later validated by underwater photography, proving the existence of the Mid-Atlantic Ridge. Tharp's maps were instrumental in advancing the study of plate tectonics, reshaping our knowledge of Earth's geological history.

What technology did Marie Tharp use to study the ocean floor?

• LIDAR

• Satellite Imaging

• Sonar

• Radar

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Why was Marie Tharp unable to join research expeditions at sea?

• She lacked the necessary qualifications

• She was not interested in fieldwork

• Boat captains were superstitious about having women on board

• She preferred working in the lab

How did Marie Tharp fill in the gaps in the ocean floor data?

• By consulting with other geologists

• By using her mathematical skills to interpolate

• By guessing based on previous maps

• By using satellite images

What did Marie Tharp's maps reveal about the ocean floor?

• A flat and featureless surface

• A rift running across the ocean floor

• A series of underwater volcanoes

• A large underwater canyon

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What was Bruce Hazen's initial reaction to Marie's discovery of the rift?

• He was skeptical and erased her work

• He published the findings without her consent

• He immediately supported her findings

• He ignored the discovery

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Who did Marie Tharp collaborate with to confirm the existence of the rift?

• Howard Foster

• Charles Darwin

• Alfred Wegener

• Bruce Hazen

What additional data did Marie and her colleague use to confirm the rift?

• Earthquake activity data

• Tidal patterns

• Volcanic activity data

• Ocean current data

What technology provided undeniable proof of the Mid-Atlantic Ridge?

• Satellite imaging

• Deep-sea drilling

• Underwater camera

• Submarine exploration

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What was the impact of Marie Tharp's work on the scientific community?

• It was considered a minor contribution

• It was only recognized after her death

• It led to a paradigm shift in understanding plate tectonics

• It was largely ignored

What ongoing research did Marie Tharp's work pave the way for?

• Climate change studies

• Marine biology

• Plate tectonics research

• Ocean pollution analysis