Comparison Worksheet
Use the following mesa to comp atomic number 18 extrusive and searching rocks. Describe and comp are distributively type in at least 150 words.
|extrusive Rock |Intrusive Rock |
|Extrusive rock or igneous (produced in conditions of extreme |An intrusion is a dust of igneous rock that crystalized from |
|intense heat) which form by the crystallization of magma at the |molten magma from below the Earths climb up. Rocks of that kind |
|surface of the Earth. These particular rocks have a fine grain |are also referred to as igneous plutonic rocks or scrutinizing |
|texture be have of the cooling process near the surface of the |rocks. The main effect of extrusion is that once magma reaches |
|Earth which is very fast. So the major difference between the two|the Earths surface. Once there crystallization has very little |
|types of rock is the manner in which they are create |time to form so it rather becomes what is commonly known as |
| |obsidian. Bothe intrusive and extrusive rocks are alike in ways |
| |that the both are formed from magma from inside the Earth.
|
| |Another way that they are like is they cause crystallization. |
| |Although it is vastly different forms. The two main differences |
| |between intrusive and extrusive igneous rocks is that extrusive |
| |igneous rock cools on the outside of the Earths crust, intrusive|
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