The Top Layer Of The Ocean Floor Is Primarily

The topmost layer about 500 metres 1 650 feet thick includes lavas made of basalt that is rock material consisting largely of plagioclase and pyroxene.

The top layer of the ocean floor is primarily. The oceanic crust composed of sima mafic rocks and basalt. Outermost layer of the two mantle layers. But i ll answer what i think you re asking. A gently sloping shallow area of the ocean floor that extends outward from the edge of a continent continental crust the portion of the earth s crust that primarily contains granite is less dense than oceanic crust and is 45 miles thick.

The top layer of the ocean floor is primarily a sediment b. This is the top layer of the lithosphere which is found in the ocean floor. The oceanic crust composed of sima mafic rocks and basalt. Most of the rest is basalt.

There s also coral and more. This is the top layer of the lithosphere which is found in the ocean floor. This is the top layer of the lithosphere which is found in the ocean floor. Very common features less than 1000 m high guyots.

Oceanic crust differs from continental crust in several ways. Composed of solid rock most of which flows due to convection currents within the mantle. Basalt d granite ocean floor configuration 1 9k likes 600 views 300 shares mariana trench is located in the ocean floor. Thermocline the middle layer of the ocean that is about 700 m deep and the temperature drops faster than any other zone.

Includes the asthenosphere and lower lithosphere. It is thinner denser younger and of different chemical composition. The warm top layer of the ocean that is mixed by currents and is about 300 m deep. Steep sided volcanoes on the ocean floor that may breach the surface.