东北大学15春学期《矿相学》在线作业三（Northeastern University, 15 spring semester, ore survey online homework three）.docVIP

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东北大学15春学期《矿相学》在线作业三（Northeastern University, 15 spring semester, ore survey online homework three）.doc

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东北大学15春学期《矿相学》在线作业三（Northeastern University, 15 spring semester, ore survey online homework three）

东北大学15春学期《矿相学》在线作业三（Northeastern University, 15 spring semester, ore survey online homework three） 15 spring semester ore survey online homework three I. judgment questions (50 questions, 100 points altogether) 1., two sets of specimen collection location need not be marked on the map, nor draw drawings or take pictures of the sampling points A. error B. correct Correct answer: a 2. the study of ore petrography does not need to study the technological properties of ores. A. error B. correct Correct answer: a The 3. areas of petrographic research include the major sections of metal mineralogy and mineralogy A. error B. correct Correct answer: a 4. reflective color refers to the surface of the mineral polished surface under the vertical irradiation of white light vertical reflection of the color A. error B. correct Correct answer: a 5., it is found that the edges of the structural mineral particles are serrated because of corrosion, and the intersection of the veins is often widened and widened. Therefore, the metasomatic structure can be determined only if the boundary of the mineral contact is not straight and coarse A. error B. correct Correct answer: a 6. structure of the metasomatic ore mineral aggregate metasomatic vein wall was irregular, boundary is not clear, controlled by lithology, significant metasomatic dissolution phenomenon A. error B. correct Correct answer: a Identification of 7. minerals by metallography requires the identification of the naked minerals and the identification of the minerals under the microscope A. error B. correct Correct answer: a 8., the study of ore can obtain some information about the genesis of the deposit A. error B. correct Correct answer: a 9. acquisition of specific ore mineralogy and mineral facies significance specimens that acquisition of various minerals (ore minerals and gangue minerals, primary minerals and secondary minerals, different mineralization stages and different generations of minerals), typical structure,