Enivronmental geology

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• 2. Advantages and disadvantages of surface water and the for groundwater (5, 9)
• 3. Opencast and underground mining and geological factors such as- faulting, washout and seam splitting make it difficult (4, 6)
• 5. Types of spring- lithological, faults, intrusions and unconformities. (7)
• 6. Underground facilites for natural gas (7, 3, 3, 3)
• 8. Such as- Anticline, fault, salt dome, unconformity, lithology and how oil can be lost (5)
• 9. Crustal abundance and concentration factors and the cut-off grades of ores (8, 8)
• 10. The requirments- source rock, maturation, migration,reservoir rock, cap rock and a trap (4, 3, 7, 3)