|
|
| JFZ3005 | Gravity and magnetics prospection | 2+1+0 | ECTS:3 | | Year / Semester | Fall Semester | | Level of Course | First Cycle | | Status | Compulsory | | Department | DEPARTMENT of GEOPHYSICAL ENGINEERING | | Prerequisites and co-requisites | None | | Mode of Delivery | Face to face | | Contact Hours | 14 weeks - 2 hours of lectures and 1 hour of practicals per week | | Lecturer | Prof. Dr. Aysel ŞEREN | | Co-Lecturer | None | | Language of instruction | Turkish | | Professional practise ( internship ) | None | | | | The aim of the course: | | To provide the students with the necessary knowledge, application and evaluation skills for gravity and magnetic prospecting. |
| Learning Outcomes | CTPO | TOA | | Upon successful completion of the course, the students will be able to : | | | | LO - 1 : | design gravity and magnetic geophysical surveys and adapt techniques to achieve specific exploration objectives | 3,5 | 1 | | LO - 2 : | write computer programs to model the geophysical responses measured in a variety of gravity and magnetic techniques. | 2 | 1 | | LO - 3 : | process and invert a variety of gravity and magnetic geophysical measurements into their causative earth models. | 5 | 1 | | 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 | | |
| Applications of gravity and magnetic methods, physical principles on which they are based, measurements for prospecting of them (land, sea and air). Obtaining of anomaly maps after corrections to be applied on these measurements. Methods used to distinguish between regional (regional) and residual (local) anomalies in gravity and magnetic anomaly maps (filtering, analytical extension methods, horizontal and vertical derivatives anomalies). migrogravity, gradiometry Measurement methods of direct residual anomaly values while taking measurements in the field. To obtain gravity and magnetic anomalies of different geometric shapes and to evaluate these anomalies. Calculation and interpretation of gravity and magnetic anomalies of randomly shaped masses by Talwani method (Grav2dc/Mag2dc). |
| |
| Course Syllabus | | Week | Subject | Related Notes / Files | | Week 1 | Introduction to potential theory, the foundations of gravity and magnetic methods,
principles of physical, garvity and magnetic fields. | | | Week 2 | Earth gravity change, calculation of the Bouguer anomaly (corrections), latitude corrections and comparison with examples, height adjustment (plate free air and Bouguer correction) algorithm for the deriving | | | Week 3 | measurements for prospecting of gravity and magnetic(land, sea and air). Obtaining of anomaly maps after corrections to be applied on these measurements. | | | Week 4 | Corrections,regional anomaly separation residual (graphic-hand rounding, the average value method, polynomial fitting, polynomial fitting to the surface and sample calculations, the interpretation of anomalies residual | | | Week 5 | Concepts and interpretation of regional and residual anomalies. | | | Week 6 | Measurement of residual anomaly values (migrogravity, gradiometry) during field studies. | | | Week 7 | Simple geometric shaped anomalies, gravity anomalies and depth calculations of structures such as sphere or point mass, vertical fault, graphical representation. | | | Week 8 | Simple geometric shaped anomalies, gravity anomalies and depth calculations of structures such as sphere or point mass, vertical fault, graphical representation. | | | Week 9 | Mid-term exam | | | Week 10 | Magnetic potentials of single magnetic pole and magnetic dipol and magnetic fields of these derived components. | | | Week 11 | horizontal and vertical magnetic anomalies of dipoles with horizontal, vertical and different slopes. | | | Week 12 | horizontal or vertical dipoles standing custom algorithms, with a horizontal angle alpha which dipole in different positions of the general algorithm deriving, related programs using the same dipoles magnetic field components for the calculation of specific algorithms and general algorithms and validity of the test limits detection. | | | Week 13 | Different magnetic model calculations, graphics and geometric as casting and their algorithmic reviews, the sphere of the components of the magnetic field derived algorithm, linear magnetic pole algorithm | | | Week 14 | Different models using the relevant programs, to calculate the magnetic field components, chart breakdowns, algorithmic and geometric comments | | | Week 15 | Gravity and magnetic anomalies between the Poisson relation, with the land application of magnetic devices, and laboratory measurements süsebtibilite | | | Week 16 | End-of-term exam | | | |
| Method of Assessment | | Type of assessment | Week No | Date | Duration (hours) | Weight (%) | | Mid-term exam | 9 | | 1,5 | 50 | | End-of-term exam | 16 | | 1,5 | 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 | | Arasınav için hazırlık | 6 | 1 | 6 | | Arasınav | 2 | 1 | 2 | | Uygulama | 1 | 14 | 14 | | Ödev | 1 | 4 | 4 | | Dönem sonu sınavı için hazırlık | 10 | 1 | 10 | | Dönem sonu sınavı | 2 | 1 | 2 | | Total work load | | | 122 |
|