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divergent boundaries
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What is a oceanic ridges?
a ridge in the ocean
What is the relationship between distance from the ridges and age of the crust?
At the oceanic ridges the age of igneous basalt rocks is approximately zero (as that is where they formed) and the rocks get older the farther away. The ages of sedimentary and metamorphic rocks does not correlate reliably with distance from the oceanic ridges like the ages of igneous rocks, because they can form anywhere not mainly at oceanic ridges. Igneous granite rocks are generally formed around continental volcanos not oceanic ridges.
Where do Rift zones rift valleys linear oceans and oceanic ridges features form?
They form in areas of the Earth in which continental or oceanic plates are pulling apart.
What feature forms at diverging oceanic plates?
Mid-ocean ridges form at diverging oceanic plates. As the plates move apart, magma rises to fill the space, creating new oceanic crust. This process results in the formation of underwater mountain ranges along the divergent boundary.
What are 2 landforms that are created at by oceanic oceanic crust?
Two landforms created by oceanic-oceanic crust interactions are oceanic ridges and volcanic islands. Oceanic ridges form at divergent plate boundaries where two oceanic plates move apart and magma rises to create new crust. Volcanic islands, on the other hand, form where two oceanic plates converge and one plate subducts beneath the other, leading to volcanic activity and the formation of islands.
What is oceanic ridges?
a ridge in the ocean
Where are the youngest portion of Earth's crust found?
The youngest parts of the Earth's crust are found in the oceanic crust. This crust is continuously being created at the mid-oceanic ridges.
Is new oceanic lithosphere is unable to form at mid-ocean ridges?
New oceanic lithosphere is able to form at mid-ocean ridges through the process of seafloor spreading. As tectonic plates move apart, magma rises from the mantle and solidifies to create new oceanic crust. This process contributes to the growth of the ocean basins and renewal of the Earth's lithosphere.
What are 2 metamorphic minerals formed along oceanic ridges?
Minerals are not classified as metamorphic. The mid-oceanic ridges are generally considered to be areas where new basaltic crust is formed from uprising magma. The basalt is considered an igneous rock in classification.
What is mid - oceanic ridges?
mountainous topography
Where is oceanic crust created?
New oceanic crust is created at the mid-oceanic ridges, a divergent plate boundary.
Which forms at mid-ocean ridges?
New oceanic crust is created along mid ocean ridges. These are areas of the earth where there is divergence or splitting of the ocean floor and basaltic magma oozes out from within the mantle to occupy the gaps and form new crusts.
