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decompression melting and wet melting (the addition of volatiles)

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Q: Which two processes commonly generate magma?
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What two processes produce the layer of dark brown to black soil?

(1) melting and solidification of magma


What two processes can change a rock into a metamorphic rock?

The two processes resulting from sedimentary into metamorphic rock are known as contact metamorphism and regional metamorphism. Regional metamorphism most notably involves two tectonic plates colliding, while contact metamorphism occurs due to the intrusion of magma.


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The two main types of magma are mafic and felsic.


What two geological processes are involved in changing sedimentary rock to a metamorphic rock?

The two processes resulting from sedimentary into metamorphic rock are known as contact metamorphism and regional metamorphism. Regional metamorphism most notably involves two tectonic plates colliding, while contact metamorphism occurs due to the intrusion of magma.


What is magma and what happens when it cools down underground?

There are two known processes by which magma ceases to exist: by volcanic eruption, or by crystallization within the crust or mantle to form a pluton. In both cases the bulk of the magma eventually cools and forms igneous rocks.


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nuclear fusion and gravitational contraction. I'm cheating on my astronomy homework too :)


Which two processes result in variations that commonly influence the evolution of sexual reproducing species?

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How is magma classified?

Magma can be classified in the two ways. When it is inside the volcano it is called magma, but when it is out of the volcano, it's then called lava.


What is Magma that is high in silica and produces explosive eruption is called?

Rhyolitic magma. Boom! Basaltic magma is its exact opposite, while andesitic magma is in between the two.


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