A rift.
If the magma cools on the surface of the crust, it is called extrusive igneous rock, such as pumice, basalt or rhyolite. If the magma cools inside the crust, it is called intrusive igneous rock, such as granite.
Intrusive
Plate tectonics.
rift
tension
the answer is rift valley
A rift.
If the magma cools on the surface of the crust, it is called extrusive igneous rock, such as pumice, basalt or rhyolite. If the magma cools inside the crust, it is called intrusive igneous rock, such as granite.
If the magma cools on the surface of the crust, it is called extrusive igneous rock
Intrusive
It is called a fissure
At a mid-ocean ridge, as the plates are spreading apart, magma rises up in between and cools into new crust. by: Vontamayosa
new crust forms at divergint bounderies where plates move apart magma oozes up and cools down and creates new crust and the old crust moves away and sucks in the earth
No. Granite forms underground in the crust. If granitic magma reaches the surface and cools it forms a rock called rhyolite.
Divergence.
Plate tectonics.
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