Web2 days ago · What can you conclude about the oceanic crust in the image? A. It's composed mostly of granitic rock. B. It sits at a higher elevation than the continental crust. C. It's denser than the continental crust. D. It exerts no upward force on the continental crust. (More) Question Asked by Rogersk1 Not Answered Updated 7/30/2024 8:26:42 PM WebOceanic crust is primarily composed of more dense rock, which forms distinct layers. As of 2014, geologists had not been able to successfully drill through the oceanic crust to the …
Mid-ocean ridges - NOAA Pacific Marine Environmental Laboratory …
WebMay 15, 2024 · Oceanic crust is most commonly formed when basaltic magma rises to the surface at mid-ocean ridges, such as the Mid-Atlantic spreading ridge, and is thinner — typically about 7 kilometers thick — and denser than continental crust. WebHow does new oceanic crust form? When molten material erupts through the mid ocean ridge called sea-floor spreading What happens to the rock along the ridge when new … dream vacations chambersburg pa
How does new oceanic crust form at a divergent boundary?
WebMar 18, 2024 · Earth's surface is made up of two types of lithospheric plates: continental and oceanic. The crust that makes up continental plates is thicker yet less dense than oceanic crust because of the lighter rocks … WebNew oceanic crust is formed when the seafloor spreads as hot molten rock (magma) wells up into the rifts of the mid ocean ridge. What happens to older oceanic crust as new rock is formed? As old oceanic crust is subducted and melted into magma, new oceanic crust in the form of igneous rock is formed at mid-ocean ridges and volcanic hotspots. … WebMar 13, 2024 · The rock then cools into new crust. Decompression melting also occurs at mantle plumes, columns of hot rock that rise from Earth’s high- pressure core to its lower- pressure crust. When located beneath the … dream vacations by katina