Geology CSS Paper II 2011

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FEDERAL PUBLIC SERVICE COMMISSION
COMPETITIVE EXAMINATION FOR
RECRUITMENT TO POSTS IN BS-17
UNDER THE FEDERAL GOVERNMENT, 2011
GEOLOGY, PAPER-II
TIME ALLOWED: THREE HOURS
(PART-I MCQs) 30 MINUTES MAXIMUM MARKS: 20
(PART-II) 2 HOURS & 30 MINUTES MAXIMUM MARKS: 80
NOTE: (i) First attempt PART-I (MCQs) on separate Answer Sheet which shall be taken back after 30 minutes.
(ii) Overwriting/cutting of the options/answers will not be given credit.
(PART-I MCQs) (COMPULSORY)
Q.1. Select the best option/answer and fill in the appropriate box on the Answer Sheet. (1 x 20=20)
(i) The quality of coal of Thar coal deposits is:
(a) Anthracitic (b) Bituminous (c) Lignitic (d) Sub-bituminous (e) All of these
(ii) Liptinite type of maceral group, after maturation is capable to generate:
(a) Condensate (b) Oil (c) Gas (d) Coal (e) None of these
(iii) Dolomite deposits of Jhampir (Sindh) occur in:
(a) Laki Formation (b) Nari Formation (c) Dungan Formation (d) Kirthar Formation (e) All of these
(iv) The heavy minerals, Zircon, Rutile and Apatite are found in:
(a) Sand and Sandstone (b) Chalk and Limestone (c) Kaolinite and Claystone (d) Chlorite and Claystone (e) None of these
(v) During geological mapping the following can be used as base map:
(a) Toposheet (b) Aerial Photograph (c) Satellite Image (d) Habitation map (e) All of these
(vi) Hemimorphite, Franklinite and Smithsonite are ores of:
(a) Cu (b) Ti (c) Cr (d) Zn (e) None of these
(vii) Following is a very well proven reservoir rock in Lower Indus Basin:
(a) Gaj Formation (b) Nari Formation (c) Goru Formation (d) Parh Limestone (e) None of these
(viii) F. H. Lahee and R. R. Compton are the authors of the famous books on the subject:
(a) Geomorphology (b) Field Geology (c) Stuctural Geology (d) Engineering Geology (e) None of these
(ix) Khas Kheli oil field in lower Sindh was discovered in:
(a) 1991 (b) 1981 (c) 1971 (d) 1961 (e) None of these
(x) Warsak dam is built on:
(a) Kabul River (b) Kurram River (c) Gomal River (d) Swat River (e) None of these
(xi) Alpine-type Chromite deposits occur at:
(a) Chagai (b) Kohistan (c) Raskoh (d) Muslimbagh (e) All of these
(xii) Which of the following prospecting method is most suitable for locating Asbestos, Pyrrhotite and Manganese?
(a) Air-born magnetic survey (b) Ground magnetic survey (c) Seismic method (d) Electrical Resistivity method (e) All of these
(xiii) To obtain information about magnetic minerals from Stereogram/Stereopair following instrument is used:
(a) Stereometer (b) Magnetometer (c) Resistivitymeter (d) Seismometer (e) None of these
(xiv) Following rocks are not suitable as construction materials due to ASR and ACR hazards respectively:
(a) Granite and Diorite (b) Dolomite and Calcite (c) Andesite and Dolomite (d) Basalt and Gabbro (e) None of these
(xv) Presence of Pegmatite is especially an indicator of possible occurrence of:
(a) Base-metals (b) Radioactive minerals (c) Magnetic minerals (d) Non-metals (e) All of these
(xvi) For exploration and determination of underground water quality most suitable method is:
(a) Seismic (b) Magnetic (c) Geochemical (d) Resistivity (e) None of these
(xvii) If a map shows distribution of rocks and other geological materials (features also) of different ages over the Earth’s surface or below, it is known as:
(a) Topographic Map (b) Geological Map (c) Physiographic Map (d) Mine-Survey Map (e) None of these
(xviii) A map which shows the surface contours on an imaginary surface to which water would rise in a drilled well is termed as:
(a) Piezometric Contour Map (b) Groundwater Contour Map (c) Water Table Contour Map (d) Sonometric Contour Map (e) All of these
(xix) Following is the term describes the Iron-Oxide rich zone which lies above a Sulphide bearing ore deposit:
(a) Greisen (b) Genesis (c) Gossan (d) Gneiss (e) None of these
(xx) Oil seepages in the Sulaiman Range are from the rocks of the following ages:
(a) Triassic and Jurassic (b) Jurassic and Cretaceous (c) Cretaceous and Paleocene (d) Paleocene and Eocene (e) All of these
PART-II
NOTE:(i) PART-II is to be attempted on separate Answer Book.
(ii) Attempt ONLY FOUR questions from PART-II. All questions carry EQUAL marks.
(iii) Extra attempt of any question or any part of the attempted question will not be considered.

Q.2. Name various geochemical prospecting methods for minerals. Describe any one of them in detail with examples. (20)
Q.3. What geological considerations are essential before selecting a site for and during construction of a tunnel? Discuss in detail. (20)
Q.4. Elaborate Hydrologic Cycle. How the water-flow budget of an hydrologic basin is calculated? (20)
Q.5. What are Kimberlites? Discuss their distribution in space and time, geological setting and petrography. (20)
Q.6. (a) Give the criteria for lithological interpretation on an aerial photograph. (10)
(b) Briefly discuss the merits and demerits of Aerial Photography and Satellite Remote Sensing over each other. (10)
Q.7. Write about the tectonic setting and metallogenic province of RecoDiK Copper – Gold Belt of Balochistan. Discuss the genesis and petrography of the deposit. (20)
Q.8. Give the occurrence of coal deposits in the Kirthar Province of Lower Indus Basin. Describe their stratigraphic association, coal varieties and reserves. (20)
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