By Walter Murphy


Not everyone are aware of how generally important rocks are. Naturally speaking, this holds the ground way effectively to prevent erosions and other possible calamity caused by moving of the ground. However, after knowing that these things may also be used in creating several stuff, industries began collecting these resources to make their business grow. They normally do that by using a rock ripper.

However, not all rocks you see is applicable for this kind of needs. Know that there are three main kinds of rocks and some firms have specific needs when it comes to the kind of rock they need for the business they own. Anyway, to provide you an adequate idea about what are these types are and their characteristic, you may read that below.

Sedimentary rocks are those which has been formed from particles found on sand, pebbles, shell and other fragment material there is. If you combine all these particles together, they are referred to as the sediment. However, to develop these kinds of materials, there needs to be a long period of time needed.

But even after years of its formation, sometimes it is not even enough to make it as hard compared to other forms. Out of the three main types of this formation, sedimentary is by far the weakest. You can present it in a slight pressure and it will then be crushed down to pieces exposing all the particles which has harden within it.

But even with its weakness, these are by far the only types of rock which contains fossils in it. You could probably notice that once they have broken into several pieces and some of its parts are crushed through the surface exposing what its made of. Some of its example would include conglomerate and a limestone.

The next formation is going to be the metamorphic which are kind of located in a quite deeper surface of the earth. They develop through metamorphoses causing it to look kind of more attractive. Eventually, it develops in a shiny form which may be considered as a crystal or mineral that can be used on some industries like flooring and so on.

They even are considered as crystal and mineral because of the way they look. Their development also takes time like the first ones. And they do grown over the time, making them way more expensive and precious. Some samples you have for this formation would be the marble which may be used on flooring and a gneiss.

Last you have the igneous rocks which are way down below the surface wherein its hot. This is made up of magma which has harden through time and have cool down already. It does not really look quite close with a crystal but this is somehow shiny in appearance. You may see these rocks only underneath but they can casually come out.

When that happens, you usually see them out of the volcanoes in a form of lava. Lava are normally known to cool down quickly but they do not come in crystal formation at all. They do have a shiny glasslike look though. However, because of the sudden eruption, they do come in gas bubbles which are trapped right inside the rock as the cooling process happens. That is the reason of tiny holes and spaces in it. Some of its type are basalt and obsidian.




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