GTU BE/B.Tech 2018 Winter Question Papers || Gujarat Technological University
Subject Name: Geology-I
Time: 02:30 PM TO 05:00 PM Total Marks: 70
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-III (NEW) EXAMINATION — SUMMER 2019
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Subject Code: 2132203 Date: 18/06/2019Subject Name: Geology-I
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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| Q.1 | (a) Define geology. Write a brief note on branches of geology. | 03 |
| (b) Distinguish between weathering and erosion. Add a note on thermal weathering of rock. | 04 | |
| (c) Describe the Internal Structure of Earth with a neat sketch. | 07 | |
| Q.2 | (a) Give a critical view about the origin of the earth. | 03 |
| (b) Discuss the plate tectonic theory. | 04 | |
| (c) What is drilling? Give the classification of drilling methods in various geological conditions. | 07 | |
| OR | ||
| (a) Explain important two erosional features developed by rivers. | 03 | |
| (b) Write physical properties of Quartz. | 04 | |
| (c) Describe chemical weathering of rocks. | 07 | |
| Q.3 | (a) What is a mineral? Explain how the following properties are useful in identification of minerals: (i) Streak (i1) Form | 03 |
| (b) Describe Feldspar Group of minerals. | 04 | |
| (c) Explain Fracture and Luster properties of minerals. | 07 | |
| Q.4 | (a) Write notes on sand dunes and river meandering. | 03 |
| (b) Critically explain fundamental laws of Stratigraphy. | 04 | |
| (c) Explain dip and strike of a bed/formation with a sketch. | 07 | |
| OR | ||
| (a) Describe the Archean System of India. | 03 | |
| (b) What are folds? Describe the parts of a typical fold with a sketch. | 04 | |
| (c) What is a fault? Describe Normal and Reverse type of faults with sketches. | 07 | |
| Q.5 | (a) What is unconformity? Describe various types of unconformities with diagrams. | 03 |
| (b) What is a remote sensing technique? Give its uses in mining engineering. | 04 | |
| (c) Give the physical properties of (i) Bauxite (i1) Galena | 07 | |
| OR | ||
| (a) Discuss the importance of geological maps and cross sections. | 03 | |
| (b) Give the importance of Geological Time Scale. | 04 | |
| (c) Discuss the role of aerial photo-interpretation in geological exploration for mining projects. | 07 |
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