The Rock Cycle
The rock cycle is made up of 3 types of rocks Igneous, Sedimentary and Metamorphic.
I starts out as an igneous rocks. Than I form into magma that gets hot from the earth temperatures that it pushes me up through the magma chamber and when I comes out I turn into lava. When I comes out I lose heat and crystallizes and turns into an igneous rock. Some of the ways I can cool is when it rains or when under the oceans. Another way l can cool is an eruption from a volcano. The reason that would happen is that it’s from the earth’s crust. There are two ways they classify igneous rocks.
One way is call Extrusive Igneous Rock. Extrusive rocks are igneous rocks are magma that reaches the surface and cools down to create a rock like this. Some rocks that were created like this are basalt, rhyolite, and andesite
The other way of classifying igneous rocks is the intrusive igneous rock. What the intrusive igneous rock is different from an extrusive igneous rock because they both cool down, but this rock cools down slowly underground.
Any rock Igneous or Metamorphic Rocks can become a Sedimentary rock. When I reaches the center of the earth. Rain, Snow, Wind and Ice can all break me down. I wash away when exposed to the surface. I finally settle down and turn back to solid rock. I give us information about the early Earth. They (geologists) can also recover fossils that also tell us about plants and animal. The temperatures take affect on gas, oil and drinking water. A long time ago and even now the earth is being eroded by wind and rain. I have little parts of earth that wash down stream turn into Sedimentary rocks. Many layers of earth are set on top of each other; these layers are pressured until it slowly turns into new rock forms.
Sedimentary rocks can be classified in two ways to. One of the ways it can be classified is Clastic Sedimentary rocks and Not Clastic Sedimentary rocks.
Clastic Sedimentary rocks form from rocks breaking down into pebbles, clay or sand; this is called the weathering process. The reason these rocks break down are wind, ice and water. Some of the rocks that form from this process are Sandstone, Shale Breccia and Conglomerate.
The Not Clastic Sedimentary rocks form under water due to chemical reactions. Some of the rocks that are in this group are Limestone, Rock salt, Chert and Rock gypsum.
Any rock if it’s igneous, sedimentary it can turn into metamorphic rock.
How I am made to a metamorphic rocks are I am stuck way underneath the earth surface, but it doesn’t melt. The reason is I have textures and minerals. Metamorphic actually means Changing Form.
There are two ways to classify metamorphic rocks.
One way is Foliated Metamorphic Rocks and the other is Non Foliated Metamorphic rocks.
Non Foliated Metamorphic rocks are formed under the earth under really high temperatures. Some or the rocks included Slate, Phyllite, Schist and Gneiss.
Non Foliated Metamorphic rocks are formed similar to igneous rocks. Some of the rocks included in are Quartz and Marble.