CSS Geology Past Paper 2011

GEOLOGY (PAPER-I)

PART-2(Subjective) 80 Marks

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

PART-II

Here is the revised version with the specified formatting:

Q. 2. Define fossil, discuss various modes of fossilization. Describe the main morphological features of class Trilobita of Phylum Arthropoda.

Q. 3. What are faults, how are they recognized in the field? Give the classification of faults based on slip types.

Q. 4. Describe the morphological and structural characters of the Salt Range. Discuss its importance in the geology of Pakistan. Give the lithological characteristics of the Salt Range Formation.

Q. 5. In the context of earthquakes, define epicenter and focus. Using P and S waves, how is the epicenter of an earthquake located?

Q. 6. How are rock-forming minerals classified on the basis of silicate structure? Give examples of each class. Write down the physical properties of the mica group.

Q. 7. With examples, discuss the geological parameters that control the landforms of an area. Describe the landforms resulting from sedimentation through ice and meltwater.

Q. 8. Write notes on the following:
(a) Magmatic Differentiation
(b) Diagenesis
(c) Dolomitization
(d) Metasomatism

GEOLOGY (PAPER-II)

PART-2(Subjective) 80 Marks

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

PART-II

Q. 2. Name various geochemical prospecting methods for minerals. Describe any one of them in detail with examples.

Q. 3. What geological considerations are essential before selecting a site for and during the construction of a tunnel? Discuss in detail.

Q. 4. Elaborate the Hydrologic Cycle. How is the water-flow budget of a hydrologic basin calculated?

Q. 5. What are Kimberlites? Discuss their distribution in space and time, geological setting, and petrography.

Q. 6.
(a) Give the criteria for lithological interpretation on an aerial photograph.
(b) Briefly discuss the merits and demerits of Aerial Photography and Satellite Remote Sensing over each other.

Q. 7. Write about the tectonic setting and metallogenic province of the RecoDiK Copper – Gold Belt of Balochistan. Discuss the genesis and petrography of the deposit.

Q. 8. Give the occurrence of coal deposits in the Kirthar Province of Lower Indus Basin. Describe their stratigraphic association, coal varieties, and reserves.