Cameroon GCE ordinary level June 2025 geology 2
Cameroon GCE ordinary level June 2025 geology 2
From image_882535.jpg (SECTION A):
- (a) (i) State the relationship between Geology and the following subjects:
- Biology.
- Chemistry. (ii) What do you understand by the term Solar System?
- (b) Distinguish between the following terms;
- (i) Earthquake magnitude and Earthquake intensity.
- (ii) Earthquake focus and Earthquake epicentre.
- (c) Define the term continental drift.
From image_88253c.jpg:
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(a) Distinguish between physical and chemical weathering.
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(b) List the factors that affect the rate of weathering.
The flow diagram below, (Figure 1) shows a rock cycle.
(Diagram showing Magma, Igneous rocks, Sedimentary rocks, Metamorphic rocks with arrows and labels W, X, Y, Z, Erosion, transportation and diagenesis, Pressure and temperature, Melting)
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(c) Identify the processes indicated by W, X, Y and Z.
- W………………………………………….(1 mark)
- X………………………………………….(2 marks)
- Y………………………………………….(2 marks)
- Z………………………………………….(1 mark)
From image_882558.jpg:
(c) Which processes are responsible for the formation of the following? * (i) Transformation of magma to igneous rocks. * (ii) Transformation of igneous rocks to sedimentary rocks. * (iii) Transformation of sedimentary rocks to metamorphic rocks. * (iv) Transformation of sedimentary rocks to magma.
(a) List the various crystal systems in crystallography. (b) What do you understand by the following terms as used in mineralogy? * (i) Cleavage.
