Ⅰ. TO EXPLANATE THE FOLLOWING TERMS
( Ten terms , 2 marks per term, total 20 marks)
1. Ore Minerals; 2. Ferrous metal; 3. Precious metal; 4. Siderophilic elements; 5. Mineralization epoch; 6. Grade; 7. Hydrothermal solution; 8. Mineralization stage 9. Paragenesis; 10. Magma-related vapor-liquid hydrothermal deposit;
Ⅱ. SELECTING THE CORRECT TERMS FROM THE GIVEN ANSWERS ( Ten questions , 3 marks per question, total 30 marks)
What is the most important mineral concentrated by fractional crystallization?
A. Chromite; B. platinum; C. cassiterite; D. gypsum
2. Within the 5 ways minerals become concentrated, which of the following occur by weathering processes? A. Magmatic Mineral Deposits; B. Sedimentary Mineral Deposits;
C.Residual Mineral Deposits; D. Hydrothermal Mineral Deposits; E. Placers
3. Nonmetallic substances are mainly used as? A. Chemicals; B. Fertilizers; C. Building Materials; D. Chemicals and Fertilizers;
E. All of the above
4. What is an ore? A. the distribution of many kinds of mineral deposits; B. sedimentary mineral deposits; C. when a mineral deposit can be worked profitably; D. cooling magma
5. True or False. The distribution of many kinds of mineral deposits is controlled by plate tectonics. A. True; B. False
6. Which of the following is the best example of a renewable resource? A. Cement; B. Steel; C. Water; D. Copper; E. Nickel
7. Copper, Gold, lead, galena, sphalerite. What is the geologic concentration process of these raw materials? A. soil leaching; B. placer sorting; C. hydrothermal precipitaion; D. igneous cooling; E. evaporation
8. Which of the following is NOT a material that comes from igneous cooling. A. quartz; B. lithium; C. diamond; D. feldspar; E. gypsum
9. Which of the following materials is not produced by hydrothermal precipitation? A. Copper; B. Galena; C. sphalerite; D. talc; E. lead
10. True or False, Coal is the most abundant of the fossil fuels.
A. True; B. False
Ⅲ. Briefly answer following the questions. ( 3 questions , 10 marks per question, total 30 marks) （answering questions in Chinese is allowed）
1. How many concentration processes that lead to the formation of ore deposits are there in our study?
Which genesic kinds can the ore-bearing fluid be devided into? and explain their main characters and features?
3. What are the features of magma?
Ⅳ. Explanation the model figures with geological charaters of ore deposits (Choicing to answer 2 questions from 3 questions , 10 marks per question, total 20 marks) （answering questions in Chinese is allowed）
1. Explanation the formation conditions and processes of epithermol ore deposit by reading the following model figure.
2. To describe the main charaters of zoning and alteration in porphyry copper ore deposit by unscrambling the following figures.
3. To find the possible types of ore deposits and briefly give their properties from following model figure.
