BGYCT-133 EM 2026 SOLVED ASSIGNMENT

Description

Tutor Marked Assignment

CRYSTALLOGARPHY, MINERALOGY AND ECONOMIC GEOLOGY

Course Code: BGYCT-133

Assignment Code: BGYCT-133/TMA/2026

Maximum Marks: 100 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) Measurement of interfacial angle

b) Structural classification of silicates

2.Describe the physical properties of minerals belonging to feldspar group giving suitable examples.

3.Discuss the crystallographic axes, symmetry elements and forms of normal class of isometric crystal system with the help of neat well labeled diagrams.

4.Explain the three elements of symmetry with the help of well-labelled diagrams giving suitable examples.

5.Discuss the physical properties of minerals depending upon light, atomic structure and state of aggregation giving suitable examples

. Part B

6.Discuss the nature and morphology of ore bodies with the help of neat well labelled diagrams.

7.Write short notes on the following:

a) Optical properties of muscovite

b) Ore formation by magmatic concentration

8.Explain the parts and functioning of polarizing microscope with the help of neat well labelled diagrams.

9.Differentiate the following:

a) Isotropic and anisotropic minerals

b) Metallic and non-metallic ore minerals

10.Describe in detail the origin, mode of occurrence and geographical distribution of coal in India.