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| JLJ3013 | Geochemistry | 3+1+0 | ECTS:5 | | Year / Semester | Fall Semester | | Level of Course | First Cycle | | Status | Compulsory | | Department | DEPARTMENT of GEOLOGICAL ENGINEERING | | Prerequisites and co-requisites | None | | Mode of Delivery | | | Contact Hours | 14 weeks - 3 hours of lectures and 1 hour of practicals per week | | Lecturer | Prof. Dr. Gülten YAYLALI ABANUZ | | Co-Lecturer | PROF. DR. Gülten YAYLALI ABANUZ, | | Language of instruction | Turkish | | Professional practise ( internship ) | None | | | | The aim of the course: | | aims to provide the students with a general knowledge on different layers of the earth and their mineralogical and chemical composition, to enable them to understand how chemical reactions develop to form new minerals, to help them use their knowledge to understand the chemical processes taking place on the earth, to teach them how to search for new mineral deposits and how to sustain a livable environment. |
| Learning Outcomes | CTPO | TOA | | Upon successful completion of the course, the students will be able to : | | | | LO - 1 : | summarise the stellar evolution and explain its relation to the formation of earth | 1,2,5 | 1, | | LO - 2 : | identify different types of meteorites and classify them based on their mineralogical and chemical composition | 1,2,5 | 1,3, | | LO - 3 : | describe the chemical and mineralogical composition of all layers of earth | 1,2,5 | 1, | | LO - 4 : | determine how minerals are formed | 1,2,5 | 1,3, | | LO - 5 : | work out the effects of ions in water samples | 1,2,5 | 1,3, | | LO - 6 : | calculate the stability fields of any given mineral paragenesis, determine their formation conditions, and present the results | 1,2,5 | 1,3, | | LO - 7 : | apply various techniques in search of mineral deposits | 1,2,5 | 1,3,5,6 | | LO - 8 : | evaluate the results of a geochemical sampling programme, determine areas of potential interest and present the results before an audience | 1,2,5 | 1,3, | | CTPO : Contribution to programme outcomes, TOA :Type of assessment (1: written exam, 2: Oral exam, 3: Homework assignment, 4: Laboratory exercise/exam, 5: Seminar / presentation, 6: Term paper), LO : Learning Outcome | | |
| Nucleosynthesis: Stellar evolution, composition of a primitive star, big-bang theoryMeteorites: Classification, different types, their originComposition of the earth: Chemical and mineralogical composition of core, mantle and crustAcids and basis: Chemical reactions and equilibrium, dissociation of acids, solubility of silica and salts, hydrolysisActivity and concentration, Thermodynamics: First and second rules of thermodynamicsPreparation of stability diagrams: Eh-pH diagrams, fugacity diagrams, concentration based diagrams, application of these diagrams into geology. Stable isotopes: Principles of isotope fractionation, oxygen-, hydrogen-, sulphur-, and carbon isotopes, isotopic composition of rock types and fluids, isotopic fractionation between minerals, use of fractionation to calculate formation temperature |
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| Course Syllabus | | Week | Subject | Related Notes / Files | | Week 1 | Introduction to geochemistry: Background, contents, description of basic terms | | | Week 2 | Elements: General knowledge, periodic table, origin of elements, evolution of stars, hydrogen burning, big bang, geochemical classification of elements | | | Week 3 | Ionic radii, chemical bonds, coordination principle, ionic potentil, ionic replacement | | | Week 4 | Meteorites: Classification, mineralogy and chemical composition of different meteorite types, relationship netween the meteorites and the earth | | | Week 5 | The earth: core, mantle, continental crust, mineralogical and chemical composition of these layers | | | Week 6 | The earth (continued): oceanic crust, mineralogical and chemical composition, magma generation, fast and slow-spreading mid-oceanic ridges | | | Week 7 | Acids and bases: Chemical equilibrium, dissolution, dissolution of acids and bases, hysrolysis reactions, dissolution of amorphous silica, dissolution of salts | | | Week 8 | Activity and concentration, mineral precipitation and dissolution, saturation indexes, calculatio of SI. | | | Week 9 | Mid-term exam | | | Week 10 | Thermosynamics: System, first and second rules, Gibbs free energy, variation of Gibbs Free Energy with temperature and pressure, variation of equilibrium constant with temperature, problems | | | Week 11 | Mineral stability diagrams: Backgrouns and general information, Eh-pH values in nature, preparation of diagrams | | | Week 12 | Mineral stability diagrams: Drawing of Eh-pH diagrams, stability fields of Fe-Mn minerals, preparation of dissolution and fugaciity diagrams, interpretation of diagrams | | | Week 13 | Applied geochemsitry: Basic terms, indicator and path-finder elements, primay geocjemical dispersion patterns and sampling methods | | | Week 14 | Applied geochemsitry: Secondary dispersion patterns, Sampling methods, drainage geochemistry, soil geochemistry, plant (bio) geochemistry, sampling patterns | | | Week 15 | Statistical tests, recognition of anomalies, regression and correlation analysis, multi variate statistics | | | Week 16 | End-of-term exam | | | |
| 1 | Akçay, M. 2002, Jeokimya: temel kavramlar ve uygulamaya aktarimlari. KTÜ, Trabzon, 506 p. | | | 2 | http://www.makcay.ktu.edu.tr/dersler | | | |
| 1 | Faure, G. 1994, Principles and Applications of Inorganic Geochemistry. MacMillan Pub., New York, 626 p. | | | 2 | Rose, A.W., Hawkes, H.E., Webb, J.S., 1979, Geochemistry in Mineral Exploration, 2nd ed., Academic Press, London, 657 p. | | | |
| Method of Assessment | | Type of assessment | Week No | Date | Duration (hours) | Weight (%) | | In-term studies (second mid-term exam) | 9 | 13/11/2012 | 1 | 50 | | End-of-term exam | 16 | 12/01/2013 | 2 | 50 | | |
| Student Work Load and its Distribution | | Type of work | Duration (hours pw) | No of weeks / Number of activity | Hours in total per term | | Yüz yüze eğitim | 3 | 14 | 42 | | Sınıf dışı çalışma | 3 | 14 | 42 | | Laboratuar çalışması | 0 | 0 | 0 | | Arasınav için hazırlık | 2 | 8 | 16 | | Arasınav | 1 | 1 | 1 | | Uygulama | 1 | 14 | 14 | | Klinik Uygulama | 0 | 0 | 0 | | Ödev | 4 | 2 | 8 | | Proje | 0 | 0 | 0 | | Kısa sınav | 0 | 0 | 0 | | Dönem sonu sınavı için hazırlık | 2 | 14 | 28 | | Dönem sonu sınavı | 2 | 1 | 2 | | Diğer 1 | 0 | 0 | 0 | | Diğer 2 | 0 | 0 | 0 | | Total work load | | | 153 |
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