MAPPING OF MAGNETIC ANOMALIES IN SOME PARTS OF NIGERIA CHAD BASIN, USING AEROMAGNETIC DATA

• <p> </p><p><b>TABLE OF CONTENT</b><br></p><p>Title page    <a target="_blank" rel="nofollow">i</a><a target="_blank" rel="nofollow">[D1]</a>&nbsp;</p><p>Declaration</p><p>ii </p><p>Certification</p><p>iii</p><p>Dedication </p><p>iv</p><p>Acknowledgement</p><p>v </p><p>Abstract</p><p>vii</p><p>Content</p><p>viii-x</p><p>List of Figures</p><p>xi </p><p>List of Tables</p><p>&nbsp;xii</p><p>List of abbreviations and symbols</p><p>xiv-xv</p><p><b>

Chapter ONE

INTRODUCTION

• </b></p><p>
• 1.1Background to Study &nbsp;</p><p>1-6</p><p>
• 1.2Statement of Problem</p><p>7</p><p>
• 1.3Aim and Objectives</p><p>7</p><p>
• 1.3Aim and Objectives</p><p>7</p><p>
• 1.4The Geography of the Area</p><p>8-11<br>&nbsp; &nbsp;</p><p>&nbsp; &nbsp; 1.
• 4.1Topography</p><p>8</p><p>&nbsp; &nbsp; 1.
• 4.2Drainage</p><p>9</p><p>&nbsp; &nbsp; 1.
• 4.3Climate</p><p>9-10</p><p>&nbsp; &nbsp; 1.
• 4.4Vegetation</p><p>10-12</p><p>&nbsp; 1.
• 4.5People</p><p>12-13</p><p>&nbsp; 1.
• 4.6Economy</p><p>13-15</p><p><b>

Chapter TWO

LITERATURE REVIEW

• </b></p><p>
• 2.0Literature Review</p><p>15</p><p>
• 2.1Previous work done</p><p>15-19</p><p>
• 2.2Geology of the area</p><p>19-23</p><p>&nbsp; 2.
• 2.1The Chad Formation</p><p>23-27</p><p>
• 2.3Basic theory of aeromagnetic method</p><p>29-33</p><p><b>&nbsp;</b></p><p><b>

Chapter THREE

RESEARCH METHODOLOGY

• MATERIALS AND METHODOLOGY OF STUDY</b></p><p>
• 3.1Data Acquisition</p><p>34-36</p><p>
• 3.2Data Interpretation</p><p>37</p><p>3.
• 2.1Regional- Residual separation using the Fast Fourier Transform (FFT) </p><p>38</p><p>&nbsp; &nbsp; &nbsp; 3.
• 2.2Reduction-to-the-pole</p><p>38</p><p>&nbsp; &nbsp; &nbsp; 3.
• 2.3Edge detection methods (Source Edge Detection)</p><p>39</p><p>3.2.
• 3.1The tilt angle derivative (TDR)</p><p>39</p><p>3.2.
• 3.2Standard 3D-Euler Deconvolution (ED)</p><p>39-41</p><p>3.
• 2.4Depth to basement estimation</p><p>41</p><p>3.2.
• 4.1Analytic signal (total gradient) method</p><p>41-42</p><p>3.2.
• 4.3Source Parameter Imaging (SPI) Technique (local wave number technique)</p><p>42-43</p><p><b>

Chapter FOUR

DATA PRESENTATION AND ANALYSIS

• RESULTS AND DISCUSSION </b></p><p>
• 4.0Introduction</p><p>45</p><p>
• 4.1Results</p><p>45</p><p>4.
• 2.1Total Magnetic Intensity Data</p><p>45-46</p><p>4.
• 2.2Lineament Extraction and Presentation</p><p>47-49</p><p>4.
• 2.3Edge detection for depth map presentation</p><p>50</p><p>4.2.
• 3.1The tilt angle derivative (TDR)</p><p>50-51</p><p>4.2.
• 3.2Standard 3D-Euler Deconvolution (ED)</p><p>52-53</p><p>4.
• 2.4Depth to basement estimation (Analytic signal (total gradient))</p><p>54-55</p><p>4.
• 2.5Energy Power Spectrum</p><p>56-57</p><p>4.
• 2.6Source Parameter Imaging (SPI)</p><p>57-62</p><p><b>

Chapter FIVE

SUMMARY, CONCLUSION AND RECOMMENDATIONS

• </b></p><p>
• 5.1Introduction</p><p>63</p><p>
• 5.2Data Analysis</p><p>63</p><p>&nbsp; &nbsp; 5.
• 2.1Analyses of results of Total Magnetic Intensity</p><p>63-64</p><p>&nbsp; &nbsp; 5.
• 2.2Analyses of results from Lineament</p><p>64-65</p><p>5.
• 2.3Analyses of edge detection results</p><p>65</p><p>5.2.
• 3.1The tilt angle derivative (TDR)</p><p>65</p><p>5.2.
• 3.2Standard 3D-Euler Deconvolution (ED)</p><p>65-66</p><p>5.
• 2.4Analyses of depth to basement estimation results</p><p>66</p><p>5.2.
• 4.1Analytic signal (total gradient)</p><p>66</p><p>5.2.
• 4.2Energy Power Spectrum</p><p>67</p><p>5.2.
• 4.3Source Parameter Imaging</p><p>67-68</p><p><b>&nbsp;</b></p><p><b>CHAPTER SIX: CONCLUSION AND RECOMMENDATION </b></p><p>
• 6.1Summary</p><p>69</p><p>
• 6.2Conclusion</p><p>70-71</p><p>
• 6.3Recommendation</p><p>
• 6.4Appendix</p><p>71</p><p>72-79</p><p>Reference</p><p>80-84</p><br> <br><p></p>