One of the most important mineral that the earth possess would be rocks. These things are pretty much useful in holding the planet together and strongly as possible. However aside from that, it is proven that these minerals do have a lot of potential in creating many possible stuff which people find useful. Because of that, there happens to be mining where they rock ripper to go and grab ample amount of these things to make use of it.
But they just cannot get any rocks they see because depending on their needs, there are three main rock formation on the layers of ground. All three has its distinct character, appearance and formation process. They have different uses and you cannot expect these three to be of the same kind generally.
You have the first one which is the sedimentary. This specific kind are developed and formed from different particles such as sand, shell, pebbles and so much more of a fragmented materials out there. These particles are combined gradually and is called sediment. For this sediment to consider as a rock, there needs to be a long time of development for it to completely harden.
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, amongst the three, this specific type are known to be only one which possesses fossils in it. You could see that once it all breaks down and you can see what its really made up of. Some of the most common type of these rock formation would be the limestone and the one which is named conglomerate.
Then next are metamorphic which are often formed right at the lower surfaces of the earth. It develops through a phase called metamorphoses and is changing due to the heat and pressure they have been exposed to underneath. This makes them shiny in appearance like a crystal or minerals.
They do develop in a long time as well but as they do, they normally would grow bigger. These could be considered as the most alive kinds of rock formation. Anyway, this can be pretty useful in many ways but is expensive because its precious. Common types of this one are marble and also the rock gneiss.
Then you have the igneous kinds of rock which are formed out of magma. Magma is a molten rock deep down within the earth surface. As it hardens and cools down, it becomes this kind. There are few times that the magma are to cool down just inside the earth surface but often times they could erupt out of the surface.
Normally, you could only see them below the surface but occasionally they can go out in a form of a lava. But for that to happen, it normally involves a volcanic eruption. Although, they are not crystal in form, they are usually glasslike as it cools down. There you would also notice holes from the gas bubbles. Basalt as well as obsidian are some of its kind.
But they just cannot get any rocks they see because depending on their needs, there are three main rock formation on the layers of ground. All three has its distinct character, appearance and formation process. They have different uses and you cannot expect these three to be of the same kind generally.
You have the first one which is the sedimentary. This specific kind are developed and formed from different particles such as sand, shell, pebbles and so much more of a fragmented materials out there. These particles are combined gradually and is called sediment. For this sediment to consider as a rock, there needs to be a long time of development for it to completely harden.
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, amongst the three, this specific type are known to be only one which possesses fossils in it. You could see that once it all breaks down and you can see what its really made up of. Some of the most common type of these rock formation would be the limestone and the one which is named conglomerate.
Then next are metamorphic which are often formed right at the lower surfaces of the earth. It develops through a phase called metamorphoses and is changing due to the heat and pressure they have been exposed to underneath. This makes them shiny in appearance like a crystal or minerals.
They do develop in a long time as well but as they do, they normally would grow bigger. These could be considered as the most alive kinds of rock formation. Anyway, this can be pretty useful in many ways but is expensive because its precious. Common types of this one are marble and also the rock gneiss.
Then you have the igneous kinds of rock which are formed out of magma. Magma is a molten rock deep down within the earth surface. As it hardens and cools down, it becomes this kind. There are few times that the magma are to cool down just inside the earth surface but often times they could erupt out of the surface.
Normally, you could only see them below the surface but occasionally they can go out in a form of a lava. But for that to happen, it normally involves a volcanic eruption. Although, they are not crystal in form, they are usually glasslike as it cools down. There you would also notice holes from the gas bubbles. Basalt as well as obsidian are some of its kind.
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