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Articles sur Geology

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Tharp with an undersea map at her desk. Rolled sonar profiles of the ocean floor are on the shelf behind her. Lamont-Doherty Earth Observatory and the estate of Marie Tharp

Marie Tharp pioneered mapping the bottom of the ocean 6 decades ago – scientists are still learning about Earth’s last frontier

Born on July 30, 1920, geologist and cartographer Tharp changed scientific thinking about what lay at the bottom of the ocean – not a featureless flat, but rugged and varied terrain.
Surface detail of the Tomanowos meteorite, showing cavities produced by dissolution of iron. Eden, Janine and Jim/Wikipedia

Tomanowos, the meteorite that survived mega-floods and human folly

Tomanowos, aka the Willamette Meteorite, may be the world's most interesting rock. Its story includes catastrophic ice age floods, theft of Native American cultural heritage and plenty of human folly.

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