Imagine that an amateur geologist gave you three rock samples-granite (an igneou
ID: 113543 • Letter: I
Question
Imagine that an amateur geologist gave you three rock samples-granite (an igneous rock), shale (a This person wants to know where these rocks came from-a mountain? A volcano? A floodplain? The seafloor? Using knowledge gained from GLGY 201, describe where each of these rocks could have formed The amateur geologist also wants to know if each of these rocks can become any of the others through geologic processes. Describe the geologic processes involved and the evidence you would use to support your claim. You can use drawings to illustrate your answer.Explanation / Answer
Granite rock is a rock that is a product of volcano. When the hot molten lava is erupted, it settles at one point and starts cooling. During this process small crystals are formed. These crystals are a mixture of quartz and also feldspar. This crystalized mixture of quartz and feldspar is knwon as Granite.
Shale is a sediment that is formed due to the action of water flow. The initial form is mudstone and due to continuous deposition and the overlying pressure the mud stone gets hard and becomes shale
Schist is a metamorphic rock. This means it is some kind of rock or a material that transformed due to the action of heat or pressure or other factors. It can be an igneous rock or a sedinetary rock and then it is metamorphosed. Usually you can see quartz, feldspar, mica, graphite and other constituents in this rock.
In a process called rock cycle the igneous rocks transform into sedimentary or metamorphic rocks. Or these rocks go back into the Volcano and melt to become magma again
The shale transforms into gneiss or slate or into schist
Schist also undergoes metamorphism to become gneiss