what are the main feafures of igneous rocks
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1. Formed by the cooling and solidification of lava.
2. Hard in nature
3. Consists of crystals,hence, also called as crystalline rock
4. Examples are Granite and Basalt. These rocks are formed inside as well as on the earth.
5. Fossils are not present in this rock.
6. Igneous rocks are of two types : a. Extrusive rocks b. Intrusive rocks - i Plutonic rocks ii Hypabyssal rock
7. It is non porous rock
2. Hard in nature
3. Consists of crystals,hence, also called as crystalline rock
4. Examples are Granite and Basalt. These rocks are formed inside as well as on the earth.
5. Fossils are not present in this rock.
6. Igneous rocks are of two types : a. Extrusive rocks b. Intrusive rocks - i Plutonic rocks ii Hypabyssal rock
7. It is non porous rock
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Answer:
Explanation:
Normally contains no fossils.
Rarely reacts with acid.
Usually has no layering.
Usually made of two or more minerals.
May be light or dark colored.
Usually made of mineral crystals of different sizes.
Sometimes has openings or glass fibers.
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