Web5. 8.Which of the following is a process by which new ocean floor is formednear the mid-ocean ridge and moves outward?A. Mid- ocean ridgeB. Rift valleyC. Seafloor spreadingD. Trench 6. Q9. If new ocean floor is being formed near the ridge, what will happen to the old oceanic crust materials? Note: recall lesson on types of plate boundaries. 7. Webdeep-sea trench, also called oceanic trench, any long, narrow, steep-sided depression in the ocean bottom in which occur the maximum oceanic depths, approximately 7,300 to more than 11,000 metres (24,000 to …
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WebA long narrow and steep-sided depression on the ocean floor is called a trench. They are deepest parts of the ocean floor and usually 5500 metres deep. The trenches are formed … WebMay 1, 2024 · Ocean trenches. After scaling the mid-ocean ridge and traversing hundreds to thousands of miles of abyssal plains, you might encounter an ocean trench. The Mariana … rc shop halifax
Cayman Trough - Wikipedia
Oceanic trenches are prominent, long, narrow topographic depressions of the ocean floor. They are typically 50 to 100 kilometers (30 to 60 mi) wide and 3 to 4 km (1.9 to 2.5 mi) below the level of the surrounding oceanic floor, but can be thousands of kilometers in length. There are about 50,000 km (31,000 mi) of oceanic trenches worldwide, mostly around the Pacific Ocean, but also in the e… WebA trench is a type of excavation or depression in the ground that is generally deeper than it is wide (as opposed to a wider gully, or ditch), and narrow compared with its length (as opposed to a simple hole or pit).. In geology, … WebMay 6, 2024 · The main features of the Pacific Ocean floor are the continental slopes, which drop from about 200 meters to several thousand meters over a distance of a few hundred kilometers, the abyssal plains—exceedingly flat and from 4,000 meters to 6,000 meters deep, volcanic seamounts and islands, and trenches at subduction zones that are up to 11,000 … rc shop bunbury