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Metamorphic rocks are formed due to
1. Cementation of sedimentary rocks
2. Proximity of sedimentary rocks with molten magma
3. Cooling and solidification of lava
Select the correct answer using the codes below:
- a)1 only
- b)2 and 3 only
- c)2 only
- d)1 and 2 only
Correct answer is option 'C'. Can you explain this answer?
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Metamorphic rocks are formed due to 1. Cementation of sedimentary roc...
- Metamorphic rocks are made by either heating up or squashing the Earth’s crust. They are often found in mountainous regions. One example is slate. Slate was originally a black mud laid down on the bottom of the sea or lake.
- Sometimes, metamorphic rocks are formed when rocks are close to some molten magma, and so get heated up. When metamorphic rock is formed under pressure, its crystals become arranged in layers. Slate, which is formed from shale, is like this. Slate is useful for making roof tiles because its layers can be split into separate flat sheets.
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Metamorphic rocks are formed due to 1. Cementation of sedimentary roc...
Formation of Metamorphic Rocks
Metamorphic rocks are formed through the process of metamorphism, which involves changes in mineral composition and texture of existing rocks. There are various ways in which metamorphic rocks can be formed, but in this case, we are looking at the specific scenarios mentioned in the question.
Proximity of Sedimentary Rocks with Molten Magma
- When sedimentary rocks come into contact with molten magma beneath the Earth's surface, the intense heat and pressure cause the minerals within the sedimentary rocks to recrystallize and reorganize, leading to the formation of metamorphic rocks. This process is known as contact metamorphism.
Cooling and Solidification of Lava
- When lava, which is molten rock that has reached the Earth's surface, cools and solidifies, it can form igneous rocks. However, if the cooling and solidification occur at great depths within the Earth's crust, the resulting rocks can undergo metamorphism due to the high pressure and temperature. This process is known as regional metamorphism.
Therefore, in the context of the question, metamorphic rocks are formed due to the proximity of sedimentary rocks with molten magma and the cooling and solidification of lava. Cementation of sedimentary rocks is not directly involved in the formation of metamorphic rocks, making options 2 only the correct answer.
Metamorphic rocks are formed through the process of metamorphism, which involves changes in mineral composition and texture of existing rocks. There are various ways in which metamorphic rocks can be formed, but in this case, we are looking at the specific scenarios mentioned in the question.
Proximity of Sedimentary Rocks with Molten Magma
- When sedimentary rocks come into contact with molten magma beneath the Earth's surface, the intense heat and pressure cause the minerals within the sedimentary rocks to recrystallize and reorganize, leading to the formation of metamorphic rocks. This process is known as contact metamorphism.
Cooling and Solidification of Lava
- When lava, which is molten rock that has reached the Earth's surface, cools and solidifies, it can form igneous rocks. However, if the cooling and solidification occur at great depths within the Earth's crust, the resulting rocks can undergo metamorphism due to the high pressure and temperature. This process is known as regional metamorphism.
Therefore, in the context of the question, metamorphic rocks are formed due to the proximity of sedimentary rocks with molten magma and the cooling and solidification of lava. Cementation of sedimentary rocks is not directly involved in the formation of metamorphic rocks, making options 2 only the correct answer.
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Metamorphic rocks are formed due to 1. Cementation of sedimentary rocks2. Proximity of sedimentary rocks with molten magma3. Cooling and solidification of lavaSelect the correct answer using the codes below: a) 1 onlyb) 2 and 3 onlyc) 2 onlyd) 1 and 2 onlyCorrect answer is option 'C'. Can you explain this answer?
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Metamorphic rocks are formed due to 1. Cementation of sedimentary rocks2. Proximity of sedimentary rocks with molten magma3. Cooling and solidification of lavaSelect the correct answer using the codes below: a) 1 onlyb) 2 and 3 onlyc) 2 onlyd) 1 and 2 onlyCorrect answer is option 'C'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Metamorphic rocks are formed due to 1. Cementation of sedimentary rocks2. Proximity of sedimentary rocks with molten magma3. Cooling and solidification of lavaSelect the correct answer using the codes below: a) 1 onlyb) 2 and 3 onlyc) 2 onlyd) 1 and 2 onlyCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Metamorphic rocks are formed due to 1. Cementation of sedimentary rocks2. Proximity of sedimentary rocks with molten magma3. Cooling and solidification of lavaSelect the correct answer using the codes below: a) 1 onlyb) 2 and 3 onlyc) 2 onlyd) 1 and 2 onlyCorrect answer is option 'C'. Can you explain this answer?.
Metamorphic rocks are formed due to 1. Cementation of sedimentary rocks2. Proximity of sedimentary rocks with molten magma3. Cooling and solidification of lavaSelect the correct answer using the codes below: a) 1 onlyb) 2 and 3 onlyc) 2 onlyd) 1 and 2 onlyCorrect answer is option 'C'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Metamorphic rocks are formed due to 1. Cementation of sedimentary rocks2. Proximity of sedimentary rocks with molten magma3. Cooling and solidification of lavaSelect the correct answer using the codes below: a) 1 onlyb) 2 and 3 onlyc) 2 onlyd) 1 and 2 onlyCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Metamorphic rocks are formed due to 1. Cementation of sedimentary rocks2. Proximity of sedimentary rocks with molten magma3. Cooling and solidification of lavaSelect the correct answer using the codes below: a) 1 onlyb) 2 and 3 onlyc) 2 onlyd) 1 and 2 onlyCorrect answer is option 'C'. Can you explain this answer?.
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