CSS Geology Past Paper 2018

PART-2(Subjective) 80 Marks

Attempt ONLY FOUR questions from PART-II by selecting TWO questions from
EACH SECTION. (20×4)

PART-II
SECTION-I

Q. No. 2.
(a) Briefly describe the internal structure and composition of the earth.
(b) What do you know about isostasy and isostatic adjustment? Explain.

Q. No. 3.
(a) Describe various modes of fossilization.
(b) Briefly describe various lithostratigraphic units.

Q. No. 4.
(a) Describe various sedimentary structures of clastic rocks. Also, write down their importance in the field.
(b) Describe various types of volcanic material and their characteristic features.

Q. No. 5.
(a) Write down the genetic classification of faults. Also, relate principal stresses with all those faults.
(b) Briefly describe the various types of plate boundaries and the associated earth features along them.

SECTION-II

Q. No. 6. Briefly describe various types of gravity anomalies and their corrections.

Q. No. 7.
(a) What do you know about the trapping mechanism of hydrocarbons? Explain. Also, describe various types of traps.
(b) What do you know about the bright spot technique? Explain.

Q. No. 8. Write short notes on any TWO of the following:
(a) Stratigraphic Sequence
(b) Copper deposits of Pakistan
(c) Earthquakes (Elastic Rebound Theory and Locating Epicenter)