The Ocean Floor Is Made Of Mostly

The separates the mantle and the crust.

The ocean floor is made of mostly.

This graphic shows several ocean floor features on a scale from 0 35 000 feet below sea level. The crust overlies the solidified and uppermost layer of the mantle the crust and the solid mantle layer together constitute oceanic lithosphere. Silicates mostly compounds made of silicon and oxygen are the most abundant rocks and minerals in both oceanic and continental crust. Oceanic crust is the uppermost layer of the oceanic portion of a tectonic plate 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.

The ocean floor is made of mostly brainly. Whats people lookup in this blog. An ocean is a body of water that composes much of a planet s hydrosphere. What is the type of crust formed on the ocean floor.

The ocean floor is made of mostly. Model of sea floor spreading oceanic crust an overview sciencedirect topics the first map of depths 1843 arctic clouds can come from seafloor microbes the washington post what is the ocean floor made of quora. The phrases the ocean or the sea used without specification refer to the interconnected body of salt water covering the. Continental shelf 300 feet continental slope 300 10 000 feet abyssal plain 10 000 feet abyssal hill 3 000 feet up from the abyssal plain seamount 6 000 feet.

Oceanic crust oceanic crust extending 5 10 kilometers 3 6 kilometers beneath the ocean floor is mostly composed of different types of basalts. The following features are shown at example depths to scale though each feature has a considerable range at which it may occur. The ocean floor is not smooth the ocean floor is made up of rocks ledges and ditches. Most of the seafloor is covered by sediments that average 350 m thick.

The rocks of the core consist mostly of. The ocean floor is made of mostly granite basalt limestone clay and silt 2 rock that is cooled and solidified above ground is called intrusive extrusive batholith laccolith 3. Life in the ocean depends on phytoplankton mostly microscopic organisms that float at the surface and through photosynthesis produce about half of the world s oxygen. In the deepest parts of the.

These vary from oozes made of carbonate from foraminiferal and calcareous phytoplankton and some silica that has settled through the water column. Oceanic crust formed mostly of mafic rocks or sima is. The concept of seafloor spreading was supported by magnetic polarity stripes on the ocean floor.