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Alp 2103: Geology And Geomorphology Question Paper

Alp 2103: Geology And Geomorphology

Course:Bachelor Of Science In Land Resources Planning

Institution: Jomo Kenyatta University Of Agriculture And Technology question papers

Exam Year:2012

JOMO KENYATTA UNIVERSITY
OF
AGRICULTURE AND TECHNOLOGY

University Examinations 2012/2013
FIRST YEAR SECOND SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE IN LAND RESOURCES PLANNING AND MANAGEMENT

ALP 2103: GEOLOGY AND GEOMORPHOLOGY

DATE: AUGUST, 2012 TIME: 2 HOURS

INSTRUCTIONS: Answer Question ONE and Any Other THREE Questions. Illustrate your answers as necessary.

Question One

a) Define the following terms:

i. Mineral
ii. Rock
iii. Essential mineral
iv. Accessory mineral
v. Secondary mineral [5 marks]

b) Describe the theory of plate tectomics and show how it explains the formation of the following:

i. Mid oceanic ridge
ii. The Rift Valley
iii. Himalayas [5 marks]

c) Describe the Bowen reaction series and show how it explains weathering of rocks.
[6 marks]
Question Two

a) Describe the cycle of rocks and processes associated with it. [4 marks]

b) Discuss the crystallization stages of minerals and the nature of the resultant minerals.
[5 marks]

c) Describe the mineralogical composition, texture and the naming system of the following rock clans:

i. Diorite clan
ii. Syenite clan [6 marks]

Question Three

a) Describe the following intrusive bodies and textures of the rocks they contain.

i. Batholiths
ii. Dykes [4 marks]

b) Outline the classification of detrital rocks. [6 marks]

c) Describe the following land forms which are common in Kenya.

i. Mountains
ii. Plateau
iii. Uplands
iv. Plains
v. Bottomlands [5 marks]

Question Four

a) Define weathering and describe the two main types of weathering. [4 marks]

b) Using chemical equations, show how chemical weathering takes place in rocks.
[5 marks]

c) Name the six factors of landscape formation and show each of them causes landscape evolution. [6 marks]

Question Five

a) Explain the principle of radiometric dating and state the approximate age of the earth.
[3 marks]

b) Define the principle of issostasy and explain how its is maintained between adjacent masses of equal cross section. [4 marks]

c) Name and describe four major metamorphic rocks formed through regional metamorphism. [8 marks]

Alp 2103: Geology And Geomorphology Question Paper

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