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Is the underlying rock beneath the ocean floor silica?
The underlying rock beneath the ocean floor is primarily basalt, which is a mafic rock rich in iron and magnesium. Silica-rich rocks like granite are typically found in continental crust, not beneath the ocean floor.
How do strips of magnetized rock on the ocean floor provide evidence of sea-floor spreading?
Strips of ocean-floor basalt record the polarity of earth's magnetic field at the time the rock formed. These strips form a pattern that is the same on both sides of the mid-ocean ridge. the pattern shows that ocean floor forms along mid-ocean ridges and then moves away from the ridge.
Rock on the ocean floor provided the final proof of sea -floor spreading with a record of?
Pangaea probably?
Iron rich volcanic rock that makes up much of the ocean floor is?
Basalt is the iron-rich volcanic rock that makes up much of the ocean floor. It forms from the cooling and solidification of magma that erupts through underwater volcanic activity, such as mid-ocean ridges. Basalt is a key component of Earth's oceanic crust.
Where is sea floor spreading?
i don't remember exactly, but i think its when magma melts the rock so it becomes magma, then the magma will come back up forming new rock, and push the old rock and it will melt and turn into magma. its like a cycle. but im not positive so my answer could be wrong.
What step in the rock cycle would be required to change granite into sand stone?
Grant particles settle on the ocean floor
What are three types of evidence provided support for the theory of sea-floor spreading?
Magnetic striping: Patterns of alternating magnetic polarity in the rock of the ocean floor provide evidence of the seafloor moving away from mid-ocean ridges. Age of the oceanic crust: Younger rocks are found nearer to mid-ocean ridges, supporting the idea of continuous seafloor creation. Ocean drilling samples: Rock samples from the ocean floor show consistent patterns of increasing age with distance from mid-ocean ridges, supporting the theory of seafloor spreading.
What happen to the oldest rock on the ocean floor to continue the rock cycle?
Or they get subducted and re-enter the mantle or they get obducted onto continent (the latter being called an ophiolite).
What type of rock is organic rock?
An Organic rock is an Sedimentary rock and it is made in the ocean from calcium and other minerals building up on the ocean floor :)
What happens to the oldest rocks on the ocean floor to continue the rock cycle?
Or they get subducted and re-enter the mantle or they get obducted onto continent (the latter being called an ophiolite).
On the ocean floor where is the oldest rock?
The oldest rock in oceanic crust is that which is found the greatest distance from a mid-ocean-ridge.
Do minerals come from the ocean?
yes, the minerals come from rock chimneys on the ocean floor
How is new rock added to the ocean floor?
New rock is added to the ocean floor through a process called seafloor spreading, where magma rises from the Earth's mantle at mid-ocean ridges, cools and solidifies to form new oceanic crust. This process helps expand the ocean floor and contributes to the movement of tectonic plates.
Is the underlying rock beneath the ocean floor silica?
The underlying rock beneath the ocean floor is primarily basalt, which is a mafic rock rich in iron and magnesium. Silica-rich rocks like granite are typically found in continental crust, not beneath the ocean floor.
A rock that makes up much of the ocean floor?
basalt
You find a rock deep in the ocean that contains a fossil What kind of rock is this?
Sedimentary is found below the ocean floor or area with water
What is the description of a sea-cactus?
It is like a cactus you find in deserts ,but its smaller and round and grow in groups and on the ocean floor or on a rock on the ocean floor.
