QUESTION 4 [10 MARKS Illustrate the process of weathering occur in fresh granite as shown in Figure 5. [10 marks) (A) (B

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Question 4 10 Marks Illustrate The Process Of Weathering Occur In Fresh Granite As Shown In Figure 5 10 Marks A B 1 (51.21 KiB) Viewed 10 times

Question 4 10 Marks Illustrate The Process Of Weathering Occur In Fresh Granite As Shown In Figure 5 10 Marks A B 2 (63.73 KiB) Viewed 10 times

QUESTION 4 [10 MARKS Illustrate the process of weathering occur in fresh granite as shown in Figure 5. [10 marks) (A) (B) Consola Profile Weet On IN mudah helpint cracks form along Decay of folkpar, bitte, crystal boundaries, and and magnetite progresses feldia, biotte, and a crads open, rock magrette start to decay weakens and is easily disintegrated Feldioar W Bote OOOO Magrethe Quartz (a) Fresh grante (1) Granite starting to weather (c) Granite stensively weathered Figure 5: Process of weathering in igneous rock QUESTION 5 110 MARKSI (a) Discuss the unconformity and their types using appropriate diagram. (b) Discuss the fault and joint using appropriate diagram. 15 marks) [5 marks]
Table 2 shows the rock mass description that forms a hill with joint set 1 (J1) and joint set 2 (J2). The strike/dip direction and dip angle of each joint set have been measured in the field and are shown in Table 3. Figure 6 shows the rock slope stability analysis of granitic rock slope. Based on description in Table 2, Table 3 and Figure 6. (a) Investigate the possible failure and the factor influencing the rock slope stability based on Figure 6 and rock mass description as Table 2. [40 marks] (b) Describe the formula for mass wasting. [6 marks] (c) Identify possible mitigation technique to solve problem in question 6(a) [4 marks) Table 2: Rock Mass description Type of Rock Granite Mineralogy Quartz, Feldspar, Mica, Plagioclase & Chlorite Grains Size/Texture Coarse Grain Size Discontinuity Type Joint and Fault Set of Discontinuity 2 set Aperture of Discontinuity Closed joint to moderately opened joint infill with clay Weathering Grade Grade II and Grade III Original Rock Colour Grey