Ⅰ. TO EXPLANATE THE FOLLOWING TERMS ( Ten terms , 2 marks per term, total 20 marks) 1. Ore; 2. Gangue Minerals; 3.Non-ferrous metal (Base metal); 4. Precious metal; 5. Sulfophilic elements; 6. Host Rock; 7. connate water; 8. Country Rocks; 9
Chapter 2 Primary Sedimentary Structures Main types of bedding Determination of younger direction of beds from primary structures Types of stratigraphic break Angular unconformity Soft sedimentary structures