1. What is metamorphism?
2. What are the changes that occur on rocks during the process of metamorphism?
How does these changes occur?
3. Compare and contrast contact and regional metamorphism using a Venn diagram.
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1. What is metamorphism?
2. What are the changes that occur on rocks during the process of metamorphism?
How does these changes occur?
3. Compare and contrast contact and regional metamorphism using a Venn diagram.
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Answer:
1.Metamorphism is defined as follows: The mineralogical and structural adjustment of solid rocks to physical and chemical conditions that have been imposed at depths below the near surface zones of weathering and diagenesis and which differ from conditions under which the rocks in question originated
2.Metamorphism is the changing of rocks by heat and pressure. During this process, rocks change either physically and/or chemically. They change so much that they become an entirely new rock. Figure 4.13: The platy layers in this large outcrop of metamorphic rock show the effects of pressure on rocks during metamorphism.
3.Contact metamorphism is a type of metamorphism where rock minerals and texture are changed, mainly by heat, due to contact with magma. Regional metamorphism is a type of metamorphism where rock minerals and texture are changed by heat and pressure over a wide area or region.
Explanation:
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