CSS Geology Past Paper 2017

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. Describe the structure of neso silicates. Also, draw its sketch. Narrate the physical and optical properties of the olivine group of minerals.

Q. No. 3. Describe the development of different types of metamorphic facies during the subduction process. With the help of a temperature-pressure diagram, elaborate on the regimes of metamorphic facies.

Q. No. 4. What categories of information can be depicted from fossils found in sedimentary strata? Give examples. Describe some common processes of fossilization.

Q. No. 5. Outline important events of the Indian Plate drift and subsequent tectonics from the Mesozoic onwards in the Pakistan region. Draw sketches.

SECTION-II

Q. No. 6. Enlist methods of surface and near-surface prospecting for oil and gas. Describe the implementation details of any two methods leading to the successful discovery of hydrocarbons in a region.

Q. No. 7. Discuss the geological conditions that normally trigger landslides in northern Pakistan. Describe some measures to mitigate their effects.

Q. No. 8. Write notes on any TWO of the following:
(a) Polarizing microscope
(b) Paleobotany
(c) Geothermal energy