CSS Geology Past Paper 2014

GEOLOGY (PAPER-I)

PART-2(Subjective) 80 Marks

Attempt ONLY FOUR questions from PART-II. (20×4)

PART-II

Q. No. 2. How can orthopyroxenes be differentiated from clinopyroxenes under a polarizing microscope? Name the members of ortho- and clinopyroxenes. Write all optical properties of orthopyroxenes.

Q. No. 3. With the help of a diagram, give the classification of sandstones proposed by Dott or Folk. Describe the composition of each class.

Q. No. 4. What are deltas, and how are they formed? Describe deltaic landforms and give the characteristics of deltaic sediments.

Q. No. 5. What are volcanoes, and how are they formed? Discuss their relationship with orogeny and plate tectonics. Also, describe the types of eruptions related to various types of volcanoes.

Q. No. 6. What do you understand by palaeocurrent analysis? What are the tools used for this analysis? How is the palaeocurrent direction determined using a Rose diagram or a Vector diagram?

Q. No. 7. Differentiate between chronostratigraphic and lithostratigraphic units. Which of these units are essentially synchronous and why? Write the stratigraphic succession of the Bara Nala Section of Sindh.

Q. No. 8. Write short notes on the following:
(a) Interference figure
(b) Metamorphic facies
(c) Types of fold
(d) Suture in Cephalopods

GEOLOGY (PAPER-II)

PART-2(Subjective) 80 Marks

Attempt ONLY FOUR questions from PART-II. (20×4)

PART-II

Q. No. 2. Discuss those geotechnical properties which are considered essential for the selection of durable building material.

Q. No. 3. Describe the genesis and metallogeny of the Muslim Bagh chromite deposits.

Q. No. 4. What are the possible causes of waterlogging and salinity in Pakistan? Discuss some remedial measures for the reclamation of such soil.

Q. No. 5. Evaluate the Thar coal deposits for power generation. Describe the major constraints in this regard.

Q. No. 6. Discuss different geophysical techniques used to prospect hydrocarbon deposits in an area.

Q. No. 7. Describe the formation and occurrences of salt deposits in the Salt Range area and its utilization in various industries.

Q. No. 8. Write notes on any TWO of the following:
(a) Geothermal energy
(b) Drilling mud
(c) Landslides