Nettet26. mar. 2012 · The trench is created by the subduction of some of the world’s oldest oceanic crust, which plunges underneath the Mariana Islands so steeply at places that it is going almost straight down.... NettetThe Mariana Trench is part of a global network of deep troughs that cut across the ocean floor. They form when two tectonic plates collide. At the collision point, one of the plates dives beneath the other into the Earth’s …

What kind of convergent plate boundary is Mariana Trench?

NettetThe Mariana Trench was discovered in 1875 by the H.M.S. Challenger during the Challenger Expedition. A better way to understand how deep the Mariana Trench is to imagine Mount Everest placed at the bottom. Mount Everest is … NettetJust 11 years ago, on March 25, 2012, James Cameron became the first man to explore the Mariana Trench alone, the deepest ocean trench on the planet. He did it aboard the Deepsea Challenger submarine, descending at a maximum speed of 9km/h, it took 2h and 36 minutes to reach the deepest place. grenkefactoring login

Planet Postcard: The Mariana Trench News National …

NettetThe Mariana Trench was named after the Mariana Islands. The Mariana Islands are a chain of islands about 124 miles east of the Mariana Trench. The Mariana Trench … NettetThe Mariana Trench was created geologically as the Pacific Plate plunged beneath the Philippine Sea Plate and into the Earth’s mantle and contains some of the deepest known points in the global ocean. The Mariana Trench is also recognized by the international scientific community as the oldest place geologically on the floor of any ocean on earth. Nettet31. mai 2024 · Like other oceanic trenches, the Mariana Trench has been proposed as a site for nuclear waste disposal in 1972, in the hope that tectonic plate subduction … fichier ce1 pdf