What Is The Ocean Floor Made Of
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The ocean floor is made of relatively young basaltic rock which is pushed up as magma at the mid oceanic ridges the place where the sea floor spreads apart.
What is the ocean floor made of. The ocean floor has the same general character as the land areas of the world. The topmost layer about 500 metres 1 650 feet thick includes lavas made of basalt that is rock material consisting largely of plagioclase feldspar and pyroxene. Can plates carry continents or pats of.
Today however scientists reveal the clearest map of the ocean floor ever they didn t explore the ocean floor. The crust and the solid mantle layer together constitute oceanic lithosphere. Most of the rest is basalt.
Known as manganese nodules they are composed of layers of different metals like manganese iron nickel cobalt and copper and they are always found on the surface of the ocean floor. The lack of weathering and erosion in most areas however allows geological processes to be seen more clearly on the seafloor than. The bottom of the ocean is dark mysterious and vast nearly all of it unmapped.
It is composed of the upper oceanic crust with pillow lavas and a dike complex and the lower oceanic crust composed of troctolite gabbro and ultramafic cumulates. Most of the ocean floor is made up of ocean plains. The ocean floor is just the bottom of the ocean so it s nothing but a boundary.
The ocean floor is not smooth the ocean floor is made up of rocks ledges and ditches. How did the ocean floor start. The ocean floor isn t made of anything.
The crust overlies the solidified and uppermost layer of the mantle. If you could sit right under a ridge you would see rocks from the earth s mantle the hot layer underlying the crust melting and percolating up toward the seam between the two plates. The outer rocky layer of the earth includes about a dozen large sections called tectonic plates that are arranged like a spherical jig saw puzzle floating on top of the earth s hot flowing mantle.
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