Subject Code: 2162201
GUJARAT TECHNOLOGICAL UNIVERSITY
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BE- SEMESTER-VI (NEW) EXAMINATION - WINTER 2020Subject Name: Ecology Geology-I
Date: 03/02/2021
Time: 02:00 PM TO 04:00 PM
Total Marks: 56
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Instructions:
- Attempt any FOUR questions out of EIGHT questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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Q.1 Describe mineral resources of India. MARKS 03
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Q.2 Write a short note on Placer deposits. MARKS 04
Q.3 What is an abrasive? Describe classification of abrasives. MARKS 07
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Q.4 Giving examples, define the terms: (i) Mineral (ii) Rock (iii) Ore (iv) Tenor. MARKS 03
Q.5 What is the importance of minerals in national economy? MARKS 04
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Q.6 Explain about minerals used in chemical fertilizers. MARKS 07
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Q.7 Describe origin of ore deposits. MARKS 03
Q.8 Explain “Acid refractory minerals”. MARKS 04
Q.1 Explain meso-thermal and epithermal deposits. MARKS 07
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Q.2 Write short note on nuclear minerals. MARKS 03
Q.3 Explain skarns as a process of formation of economic deposit. MARKS 04
Q.4 Write a note on Singbhum copper deposits with their uses. MARKS 07
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Q.5 Describe about magmatic deposits. MARKS 03
Q.6 Write a note on Gypsum deposits used in various industries. MARKS 04
Q.7 Explain importance of stock works in cavity filling deposits? MARKS 07
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Q.8 Describe about metasomatic deposits: MARKS 03
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Q.1 Explain the role of clays in ceramic industry. MARKS 04
Q.2 What are base metals? Explain mode of occurrence and geological distribution of base metals. MARKS 07
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Q.3 Write a short note on Gemstones. MARKS 03
Q.4 Write about the hydrothermal process of mineral deposits. MARKS 04
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Q.5 Explain refractory minerals. MARKS 07
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Q.6 Write a short note on Cement industry of Gujarat. MARKS 03
Q.7 Write a note on types of pegmatite. MARKS 04
Q.8 Write a brief note on role of intrusive rocks in economic mineralogy. MARKS 07
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