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Consider the following statements regarding rock classification:
1. Igneous rocks are formed through the cooling and solidification of molten material and are typically crystalline in structure.
2. Sedimentary rocks are crystalline and often contain fossils of animals and plants.
3. Metamorphic rocks contain fossils and exhibit stratification.
Which of the statements given above is/are correct?
- a)1 Only
- b)1 and 2 Only
- c)1 and 3 Only
- d)1, 2 and 3
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
Consider the following statements regarding rock classification:1. Ig...
1. Statement 1 is correct. Igneous rocks are indeed formed through the cooling and solidification of molten material, such as magma. This process often results in a crystalline structure. These rocks do not contain fossils because they are formed from molten material.
2. Statement 2 is incorrect. Sedimentary rocks are generally non-crystalline and are often stratified. They are known to contain fossils of animals, plants, and other microorganisms, which suggests a different characteristic than being crystalline. The presence of fossils is a defining feature of sedimentary rocks due to the accumulation and compaction of organic material over time.
3. Statement 3 is incorrect. Metamorphic rocks are formed from the transformation of pre-existing rocks (either igneous or sedimentary) under heat and pressure, which alters their structure and mineral composition. This process typically destroys any fossils that might have been present in the original rock. Metamorphic rocks do not exhibit stratification, as the process of metamorphism often results in the re-crystallization of minerals into a denser, more compact form without layering.
Therefore, only statement 1 is correct.
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Consider the following statements regarding rock classification:1. Igneous rocks are formed through the cooling and solidification of molten material and are typically crystalline in structure.2. Sedimentary rocks are crystalline and often contain fossils of animals and plants.3. Metamorphic rocks contain fossils and exhibit stratification.Which of the statements given above is/are correct?a)1 Onlyb)1 and 2 Onlyc)1 and 3 Onlyd)1, 2 and 3Correct answer is option 'A'. Can you explain this answer?
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Consider the following statements regarding rock classification:1. Igneous rocks are formed through the cooling and solidification of molten material and are typically crystalline in structure.2. Sedimentary rocks are crystalline and often contain fossils of animals and plants.3. Metamorphic rocks contain fossils and exhibit stratification.Which of the statements given above is/are correct?a)1 Onlyb)1 and 2 Onlyc)1 and 3 Onlyd)1, 2 and 3Correct answer is option 'A'. 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 Consider the following statements regarding rock classification:1. Igneous rocks are formed through the cooling and solidification of molten material and are typically crystalline in structure.2. Sedimentary rocks are crystalline and often contain fossils of animals and plants.3. Metamorphic rocks contain fossils and exhibit stratification.Which of the statements given above is/are correct?a)1 Onlyb)1 and 2 Onlyc)1 and 3 Onlyd)1, 2 and 3Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements regarding rock classification:1. Igneous rocks are formed through the cooling and solidification of molten material and are typically crystalline in structure.2. Sedimentary rocks are crystalline and often contain fossils of animals and plants.3. Metamorphic rocks contain fossils and exhibit stratification.Which of the statements given above is/are correct?a)1 Onlyb)1 and 2 Onlyc)1 and 3 Onlyd)1, 2 and 3Correct answer is option 'A'. Can you explain this answer?.
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