Igneous rocks contain small crystals. Is this answer correct or incorrect? The earth consists of a large number of types of rocks, which give a different pattern to the environments in the ground and on its surface, so scientists classified those rocks under what is called petrology. The internal structure of the Earth, how it originated, what are its different types and characteristics, and in this context, this article will provide us with an opportunity to refer to this article to answer our questions and learn more about igneous rocks.
Igneous rocks contain small crystals
Underground volcanic rocks, also called volcanic rocks, contain a certain amount of silicon oxide, which is lava found in the ground, and has very high temperatures that made it melt and turn into liquid, due to the high temperature. And high pressure, that lava is expelled from the inside, and the earth moves towards the surface, in the form of volcanoes, and then cools due to the lower surface temperature compared to the inside, and rocks are formed, and this results in the re-formation of its crystals.
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Types of igneous rocks
There are several types of igneous rocks found on our planet, and each type is classified according to the percentage of silicon oxide in it, and these types are:
- Acidic igneous rocks: This type contains a relatively high percentage of silicon oxide, about 63%, and an example of this is rock (granite).
- Intermediate igneous rocks: These rocks contain less silica (silicon oxide), which ranges from 52 to 62%, such as diorite.
- Female rock: It is a type of igneous rock that contains 45 to 51% of silica. An example of this is (basalt).
- Female rocks above the base: These are the rocks that contain the lowest percentage of silica, i.e. less than 45%, and an example of them is alunite.
And here is the end of this article in which we talk about igneous rocks, and we answered the question, igneous rocks underground contain small crystals, so is this the correct answer? The answer is yes, this is the correct answer.