中国地质大学：《矿床学试题库》（英文版）标准试题四

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 I. SELECTING THE CORRECT TERMS FROM THE GIVEN ANSWERS (Ten questions, 3 marks per question, total 30 marks) 1. 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

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) 1. 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

II. BRIEFLY ANSWER FOLLOWING THE QUESTIONS. (3 questions, 10 marks per question, total 30 marks) (answering questions in Chinese is allowed l. How many concentration processes that lead to the formation of ore deposits are there in our study? 2. 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? I. 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 epithermal ore deposit by reading the following model figure. VOLCANIC-HYDROTHERMAL SYSTEM GEOTHERMAL SYSTEM 0-900 sC, HCL CO Crater lake Hotsprings CO2, HCLS High sulfidation Au cu Porphyry Cu(Mo, Au 、 Saline magmatic flud v apor ascent § A Schematic cross-section shouwing shallow sub-volcanic intrusions and assoiatted stratovolcano, and environments deduced for formation of porphyry Cu, and high- and low-sulfidation epithermal ore deposits Active volcanic-hydrothermal systems extend from degassing magma to fumaroles and acidic springs, and incorporate porphyry and/or high-sulfidation ore environments, whereas low-sulfidation are deposits form rom geothermal systems characterized by neutral- pH waters that may discharge as hot springs

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? 2. 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. Schematic cross-section shouwing shallow sub-volcanic intrusions and assoiatted stratovolcano, and environments deduced for formation of porphyry Cu, and high- and low-sulfidation epithermal ore deposits. Active volcanic-hydrothermal systems extend from degassing magma to fumaroles and acidic springs, and incorporate porphyry and/or high-sulfidation ore environments, whereas low-sulfidation are deposits form from geothermal systems characterized by neutral-pH waters that may discharge as hot springs

2. To describe the main charaters of zoning and alteration in porphyry copper ore deposit by unscrambling the following figures. -① ◎ 斑岩型铜(钼)矿床的成矿模式①基底岩石;②火山岩:③泥沙质岩:④碳酸盐岩:⑤泥 质岩:⑥深成岩基:⑦浅成斑岩体:⑧爆破角砾岩筒:⑨带黑点的范围表示斑岩型铜钼矿化:⑩矽 卡岩型矿化:ω钾化带底界;⑩绢英岩化带底界:⑩3青盘盐化带底界;⑩青盘盐化带顶界:③5上升 岩浆流体:(6循环天水 3. To find the possible types of ore deposits and briefly give their properties from following model figure

2. To describe the main charaters of zoning and alteration in porphyry copper ore deposit by unscrambling the following figures. + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 1 2 3 16 10 14 5 4 8 13 10 16 12 9 11 7 6 15 (C n M o) 、 斑岩型铜（钼）矿床的成矿模式①基底岩石；②火山岩；③泥沙质岩；④碳酸盐岩；⑤泥 质岩；⑥深成岩基；⑦浅成斑岩体；⑧爆破角砾岩筒；⑨带黑点的范围表示斑岩型铜钼矿化；⑩矽 卡岩型矿化；⑾钾化带底界；⑿绢英岩化带底界；⒀青盘盐化带底界；⒁青盘盐化带顶界；⒂上升 岩浆流体；⒃循环天水 3. To find the possible types of ore deposits and briefly give their properties from following model figure. 1 km