Write about the two types of igenous rocks how are extrusive and intrusive rocks formed
Answers
INTRUSIVE IGNEOUS ROCKS
The intrusive igneous rocks are formed beneath the earth's surface in the cracks & bents in very high temperature. These rocks takes along time to cool/solidify.. Ex - granite
EXTRUSIVE IGNEOUS ROCKS
The extrusive igneous rocks are formed by the cooling of lava on the surface of the earth. The rate of cooling is faster than the intrusive rocks. Ex-pumice
NOTE:
The crystals formed in intrusive igneous rocks are large where as the crystals formed in extrusive igneous rocks are small..
INTRUSIVE IGNEOUS ROCKS
The intrusive igneous rocks are formed beneath the earth's surface in the cracks & bents in very high temperature. These rocks takes along time to cool/solidify.. Ex - granite
EXTRUSIVE IGNEOUS ROCKS
The extrusive igneous rocks are formed by the cooling of lava on the surface of the earth. The rate of cooling is faster than the intrusive rocks. Ex-pumice
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