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Ees 311:Principles Of Geophysics Question Paper

Ees 311:Principles Of Geophysics 

Course:Principles Of Geophysics

Institution: University Of Eldoret question papers

Exam Year:2012



Answer all questions
1.a)Describe briefly the shape of the earth(5marks)
b)With reference to the structure of the earth,describe briefly the mantle (5marks)
2.Describe briefly the following geophysical phenomena:
a)Heat flow in the earth (5marks)
b)Electromagnetic waves (5marks)
3a)What is meant by isostassy?(2marks)
b)What is meant by plate tectonics (2marks)
c)With reference to plate tectonics,describe the gravity related forces (6marks)
4a)Explain what is meant by geophysical survey (2marks)
b)Describe briefly the principle of reflection seismology (5marks)
c)During exploration of a mineral,a seismic wave of velocity 1500m/s is sent into the ground and reflected wave received after 8 seconds.Estimate the depth of the mineral (3marks)
5.a)Explain what is meant by a magnetometer (3marks)
b)Briefly describe the electromagnetic geophysical survey method (7marks)
6.Explain briefly the following geophysical survey methods:
a)Radiometric survey (5marks)
b)Neutron logging (5marks)




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