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Basalt is more dense than granite as it contains more iron and magnesium. This means that it is likely that the more dense basaltic plate would be forced under the less dense granitic plate.

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What happened when the juan de fuca collided with the north American plate 1980?

He didn't collided the north American plate in 1980


Which two tectonic plates collided to create the Himalaya mountains?

The Indian Plate and the Eurasian Plate collided to create the Himalaya mountains.


What plates are is the earth made of?

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Basalt is a fine grained VOLCANIC igneous rock of mafic composition typically made up of the minerals olivine, clino-pyroxene and calcium rich plagioclase. It is the product of undifferentiated magma at either constructive or destructive plate margins. Granite is a coarse grained PLUTONIC igneous rock of felsic composition typically made up of the minerals quartz, orthoclase, sodium rich plagioclase and either biotite or muscovite mica. It is the product of a highly differentiated, partial melting in which the felsic components have become a segregated fraction separate from the main subducting plate within a destructive plate margin. The two rocks are very different in colour; basalt is grey-brown whilst granite is pink or pale grey. They are however, both igneous rocks & may be used for construction. Granite is frequently used as the building blocks for houses, basalt is more commonly used for kerb stones.


What is the main material of a continental plate?

The main material of a continental plate is rock, primarily composed of granite and basalt. These rocks make up the crust and upper mantle of the Earth's surface, forming the rigid outer shell of the continents.


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Which mountains were formed when two continents collided?

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When did the Indian plate collided with Eurasian plate to form Himalayas?

pasific and tne km,


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What two plates collided to form the rockies?

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