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Forms by lava from volcanoes on the sea floor
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What is the process that creates new ocean crust to form molten rock?
Sea Floor Spreading
How could small pieces of the Himalayas form new rock?
Over millions of years, the piled weight of eroded particles will squeeze the bits together on the sea floor. New rock will form
How could small pieces of Himalayas form new rock?
Over millions of years, the piled weight of eroded particles will squeeze the bits together on the sea floor. New rock will form
Hardens to form new rock at mid-ocean ridges?
Sea- Floor Spreading molten material erupts through the valley that runs along the center of some mid-ocean ridges. This material hardens to form the rock of the ocean floor. Mid-ocean ridges an undersea mountain chain where new ocean floor is produced.
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.
The shell of oysters collect on the ocean floor. What type of rock is going to form?
Eventually they will form limestone, a sedimentary rock.
How does new ocean floor form?
Sea Floor Spreading!
Describe how molten rock can form new oceanic crust?
Some of the molten rock overflows onto the ocean floor in tremendous eruptions. material from the mantle canwell up, forming a ridge and new oceanic crust.
Where does the new rocks form on the sea floor?
Forms by lava from volcanoes on the sea floor
What happens in sea-floor spearding?
new rocks form
How does glaciers and rivers form new rocks?
Glaciers and rivers transport eroded rock material (sediment), that can form new sedimentary rock after deposition.
How do strip 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.
