Portal:Earth sciences/DYK/22

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 * ... that Gongnyong Ridge (pictured) in Seoraksan National Park, South Korea, acquired its name (lit. 'Dinosaur Ridge') from its peaks looking as "vigorous and dynamic as a dinosaur rising from the ground"?
 * ... that Galán, one of the largest exposed calderas in the world, contains the Laguna Diamante lake, where life has to tolerate extreme environmental conditions?
 * ... that a volcanic field in Death Valley formed only about 2,100 years ago?
 * ... that the many lakes in the Nancy Lake State Recreation Area were created during the retreat of glaciers 9,000 years ago?
 * ... that in the early history of the Earth's crust, the dichotomy between oceanic crust and elevated continental crust may have been caused by a massive meteorite bombardment?
 * ... that the underwater Ujlān volcanic complex in the Marshall Islands is a potential site for cobalt mining?