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MS – 319

*MS319*

IV Semester B.Sc. Examination, May/June 2013 (Semester Scheme) GEOLOGY – IV Palaeontology and Stratigraphy (NS – 70-2012-13 & Onwards/NS – 60-2010-11 & Onwards) Time : 3 Hours

Max. Marks : 60/70

Instructions : 1) Answer all Sections. 2) Students of 2012 and 2013 answer all Sections (70 marks) 3) Students of 2010 and 2011 answer A B C and D Section only (60 marks). SECTION – A Answer all questions. All questions carry equal marks.

(5×2=10)

Define the following : 1. Persistant fossil. 2. Caladonian Orogeny. 3. Fossilization. 4. Intratrappeans. 5. Petrification. SECTION – B Answer any five questions. All questions carry equal marks.

(5×3=15)

Explain the following : 6. Carbonisation. 7. Kaladgi series. 8. Structural correlation. 9. Nallamali series. P.T.O.

MS – 319

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*MS319*

10. Ammonitic sutures. 11. Calamites. 12. Extinct fossils. SECTION – C Answer any three questions. All questions carry equal marks. Describe the following : (3×5=15) 13. Imperfection in Geological record. 14. The head of Trilobites. 15. Peninsular Gneiss. 16. Badami group. 17. Extinct fossils. SECTION – D Answer all questions. All questions carry equal marks.

(10×2=20)

18. Describe and classify Cuddapah super group. OR Describe the different types of corals and give their Geological range. OR 19. Describe the shell of cephalopoda, explain the different types of suture lines. OR Describe the physiographic division of India. SECTION – E 20. What is fossilization and describe the mode of fossilization. OR Describe the Archeans of Karnataka. ______________

(10×1=10)

*MS319*

MS – 319

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IV Semester B.Sc. Examination, May/June 2013 (OS) (Semester Scheme) (Prior to 2010-11) GEOLOGY – IV Petrology and Earths’ History Time : 3 Hours

Max. Marks : 60

Instructions : i) Answer all Sections. ii) Draw neat diagrams wherever necessary. SECTION – A Answer all questions. All questions carry equal marks.

(5×2=10)

Define the following : 1. Chemical Potential. 2. Columella. 3. Index fossil. 4. Diagenesis. 5. Unconformity. SECTION – B Answer any five questions. All questions carry equal marks. Explain the following : 6. Stratigraphic data. 7. Coiling in gastropod. 8. Binomial nomenclature. 9. Suture line in ammonites. 10. Deep sea environment.

(5×3=15)

MS – 319

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*MS319*

11. Phase rule. 12. Acid igneous rocks. SECTION – C Answer any three questions. All questions carry equal marks.

(3×5=15)

Describe the following : 13. Morphology of Brachiopods. 14. Palaeoclimate analysis. 15. Principles of Thermodynamics. 16. Facies concept in stratigraphy. 17. Cudapah system. SECTION – D Answer all questions. All questions carry equal marks.

(10×2=20)

18. Describe the classification, lithology and distribution of Gondwana super group. OR Give an account of stratigraphic classification and correlation. 19. Explain phase equilibria in two compliment silicate system. OR Describe the morphology of a typical coral and give its range in time. ______________