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18-Geol-A4 Structural Geology: December 2017

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 True/False Statements
  2. Question 2 Structural Geology Essay Topics
  3. Question 3 Structural Interpretation Items
  4. Question 4 Hydrofracture and Fault Reactivation
  5. Question 5 Stereonet Fold Analysis (π-diagram)

Start with Question 1 →

National Exams, Geological Engineering, 04-Geol-A4 Structural Geology, 2017-Dec. Open book; any non-communicating calculator permitted; 3 hours; 100 marks. The paper is printed as five lettered mega-questions (A–E): Question A “answer all” 20 T/F items (20 marks), Question B “any and only 5 of 10” essay topics (30 marks), Question C “any and only 4 of 7” items (24 marks), Question D a single compulsory 12-mark Mohr–Coulomb hydrofracture/fault-reactivation problem, and Question E a single compulsory 14-mark stereonet π-diagram problem.

Reference texts: Davis & Reynolds, Structural Geology of Rocks and Regions, 3rd ed. (fold and fault mechanics, stress and strain, Mohr–Coulomb analysis, fault-valve behaviour); Fossen, Structural Geology, 2nd ed. (rheology, shear zones, fold classification, finite strain, stereographic π-diagrams); Marshak & Mitra, Basic Methods of Structural Geology (stereonets, block diagrams, joint/vein mechanics).