BGYCT-133 EM 2024 SOLVED ASSIGNMENT

Description

Tutor Marked Assignment
CRYSTALLOGRAPHY, MINERALOGYAND ECONOMIC GEOLOGY
Course Code: BGYCT-133
Assignment Code:BGYCT-133/TMA/2024
Maximum Marks:100
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Note: Attempt all questions. The marks for each question are indicated against
it. Write all answers in your own words; do not copy from the course
material.
Part A
1. Write short notes on the following:
a) Crystallographic axis (5)
b) Interfacial Angles and its measurement (5)
2. Discuss briefly about the crystallographic axes, symmetry elements
and forms of tetragonal system.
(10)
3. Give a detailed account of physical properties of minerals depending on light. (10)
4. Explain the structural classification of silicates. (10)
5 Describe the physical properties of mica minerals muscovite and biotite. (10)
Part B
6. Describe the parts and working of polarizing microscope. (10)
7. Write short notes on the following:
a) Nature of ore bodies (5)
b) Clarke and Clarke concentration (5)
8. Discuss optical properties of minerals studied between cross nicol. (10)
9. Discuss the optical properties of pyroxene group minerals. (10)
10. Write short notes on the following:
a) Magmatic Concentration (5)
b) Industrial minerals