BGYCT-135 PETROLOGY in English Solved Assignment 2022-2023


Tutor Marked Assignment
Course Code: BGYCT-135
Assignment Code: BGYCT-135/TMA/2023
Maximum Marks: 100

Title Name

BGYCT-135 Solved Assignment 2022-2023

University IGNOU
Service Type Solved Assignment (Soft copy/PDF)
Course BSCG
Language ENGLISH
Semester 2022-2023 Course: B.SC(G) CBCS
Session Valid from 1st January, 2023 to 31st December 2023
Short Name BGYCT-135
Assignment Code BGYCT-135/TMA/2023
Product Assignment of BSCG 2022-2023 (IGNOU)
Submission Date This assignment is valid from 1st January 2023 to 31st December 2023



Part A
1. Write short notes on the following:
a) Rock cycle (5)
b) CIPW classification (5)
2. Discuss the different types of structures found in igneous rocks with the
help of neat well labelled diagrams.
3. Explain the chemical and mineralogical composition of magma in detail. (10)
4. Discuss the megascopic and microscopic characters of granodiorite
with the help of neat well labelled diagrams.
5 Explain Bowen’s reaction series. (10)
Part B
6. Explain the processes that are involved in the formation of sedimentary
7. Discuss the effects of packing of grains on the porosity and
permeability of rocks.
8. Discuss in brief the factors affecting metamorphism. (10)
9. Write short notes on the following:
a) Grain size parameters (5)
b) Graded Bedding (5)
c) Palimpsest Texture (5)
d) Foliation and lineation



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