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myrzilka [38]
3 years ago
15

Describe and give an example of how it possible for two igneous rocks to have the same mineral composition but be different rock

s.
Geography
1 answer:
Lana71 [14]3 years ago
6 0
Because there are 2 types of igneous rocks:- •Intrusive rocks-are rocks when the magma cool’s down before reaching the surface of the earth. •Extrusive rocks-are rocks when magma cools down after reaching the earths surface. So their composition can be different because of the formation of the rocks at different places. Eg:-Granite rock:-intrusive rock. Basalt:-extrusive rock
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Answer:

The correct option is <u>b. rate of cooling</u>

Explanation:

The <u>magmatic rock </u>also known as the <u>igneous rock</u>, is one of the three principal rock types, sedimentary, igneous and metamorphic.

The igneous rocks are also called primary rocks, as they crystallize from a liquid. They are formed by the process of <u>cooling and solidification of lava or magma.</u>

The<u> rate of cooling </u>of the melt determines the<u> texture </u>of the igneous rocks. If the cooling occurs slowly, large crystals are formed. But fast cooling results in the formation small crystals. <u>Therefore, the size of the crystal formed is determined by the rate of cooling.</u>

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PilotLPTM [1.2K]

Answer:

A is one of the the answer's.

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Because when they move they eventually start melting which leaves behind plenty of water to create basins and lakes.

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Karolina [17]

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Learn more about Resources here:-

brainly.com/question/18448459

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