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What process when the ocean floor and the continents go towards each other?
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The topography of the ocean floor?
Is a diverse as that of the continents
Why is it that ancient rocks are found on the continents and not on the ocean floor?
The entire ocean floor is recycled in roughly 160 million year cycles through the process of plate tectonics. Because continental plates do not subduct, the rock is much, much older, particularly in the continental interior.
Are oceanic rocks billion years old?
No. Oceanic crust is recycled into the mantle through a process called subduction and new ocean floor is formed at mid-ocean ridges. None of the ocean floor is more than about 180 million years old. Some rocks on the continents are billions of years old.
In the process of sea-floor spreading how does the ocean floor become wider?
New floor forms and spreads from mid-ocean ridges
Continents and the ocean floor are part of earths solid rocky surface called?
crust
What process helps explain how continents drifts?
Ocean-floor spreading.
What is it called when the sea floor spreads out from both sides of a mid ocean ridge and moves towards continents?
sea floor spreading or divergent boudary
What is composed of the continents and the oceans floor?
Earth's crust is composed of the continents and the ocean floor.
In which layer of the Earth is the ocean floor?
The crust contains the ocean floor and also the continents on Earth.
The topography of the ocean floor?
Is a diverse as that of the continents
Can plated carry continents or parts of the ocean floor but not both?
Tectonic Plates can't carry both ocean floor and continents on the same plate.
What is things rest upon crustal plates?
The continents and the ocean floor rest upon the plates.
What to do in case of a tsunami?
# Do not run towards the newly exposed ocean floor # Do not run towards the newly exposed ocean floor # Do not run towards the newly exposed ocean floor # Do not run towards the newly exposed ocean floor # Head for high ground immediately # Do not try and collect small valubles prior to heading out. The ocean will take care of any thieves, or it will take care of people who hang around collecting their bits. # Do not run towards the newly exposed ocean floor # Do not run towards the newly exposed ocean floor # Do not run towards the newly exposed ocean floor # Do not run towards the newly exposed ocean floor # If there is a traffic jam, run to the highest building and wait.
What makes the continent and the ocean floor unstable?
The continents and ocean floor are unstable because the plates of the lithosphere move. When the plate move, they cause the continents and ocean floor to move.
Do continents reach the bottom of the ocean?
They do touch the ocean floor. they're like a giant mound, and the beaches flow into the water.
What is the surface of the planet that forms the continents and ocean floor?
The crust.
Why are basalt and granite important igneous rock?
As it turns out, most of the ocean floor is basalt, and most of the continents are granite.
