Students have surely stumbled upon igneous rocks on one of their science lessons. Truth be told – the various kinds of rocks may sound complicated at first. However, upon reading on, there are things that can be learned about them.
What are these?
Basically, most igneous rocks are formed as magma cools down and then solidifies. There is a tendency for this to occur above, or just below the surface of it. There is indeed a possibility for magma to become rocks. These are the ones being blown out through the eruption of volcano. This may even be forced just on its lava or on its surface. This means to show that there is a possibility for it to have a rough time. This is always stated in various igneous rock facts around.
Magma is made up of the different molecules and atoms which are melted in minerals. These will be responsible in deciding the process of arrangement. These may be the time that they become mineral grains later on. As these cool down, the rock will eventually form. This is the time when they grow together. This can be quite neat in appearance.
Are there other kinds of igneous rocks? Rocks are usually categorized through the way they are being formed. As mentioned above, igneous rocks come from magma. This is the result of the hardening and cooling down of such. It would not matter if it is under that of the Earth, or just on the surface. The exact location of the said rock formation would be responsible in determining the kind of igneous rock available. Being ready to learn about sort of igneous rocks will definitely be of great help.
There is also this so called extrusive rock. Basically, this is the result of the rising up of the magma to the Earth’s surface. This will typically become hard. Once it does, the so called extrusive igneous rock will be the result. This rock type is a bit glassy in nature. This is the case because the formation time of it is really quick. Aside from this, such rock can be basalt and pumice as well. This is another consideration to take upon.
Pumice is normally utilized in heaps such as cosmetic, cement and even toothpaste products. This can be quite a strange mixture or combination. Even if this is the case though, basalt is typically being used in most statues and even buildings. There are instances when these extrusive rocks are being termed as volcanic rocks. These are volcanoes and these are crucial in form. Aside from such, there is also the intrusive igneous rocks. As contrary, it may take a very long time to be formed. They can be quite grainy. These rocks are gabbro and granite. Granite is quite common as this is being used in the creation of gravestone. The same is also true with countertops and statues. Gabbro is also interesting. This is dug around by many. This goes with a ton of silver, chromium and even gold.