Comparison Between Second Vertical Derivative and Tilt Angle Methods in Detecting Edges of Gravity Anomaly

• Author(s): Ahmad Alhassan ; Auwal Aliyu ; Yusuf Abdulhameed ; Nasiru Bala ; Abdullahi Hussaini
• Paper ID: 1703006
• Page: 83-87
• Published Date: 18-12-2021
• Published In: Iconic Research And Engineering Journals
• Publisher: IRE Journals
• e-ISSN: 2456-8880
• Volume/Issue: Volume 5 Issue 6 December-2021

Abstract

Edge detection is very important in description of subsurface structures. Interest is usually placed on boundaries or edges especially during exploration minerals. Second vertical derivative and tilt angle methods are among the most commonly used methods in detection of lithological boundaries. The choice of which method to select in edge/boundary detection is very vital and that is why this paper addresses the two methods. Satellite gravity data of Hadejia segment of chad basin Nigeria acquired from Bureau Gravimetric International (BGI)was used as case study. The area is a contact region between Chad sedimentary formation and cretaceous northern basement complex. Second vertical derivative and tilt angle maps were plotted on surfer software to produce maps that shows boundaries between the two formations. Comparison was made between the two results pointing out some similarities and differences between the two results. This will guide an individual researcher while making choice of which among the two methods will suit his research based on his interest.

Keywords

Second vertical derivative, Tilt angle, Edge detection, Gravity anomaly.

Citations

IRE Journals:
Ahmad Alhassan , Auwal Aliyu , Yusuf Abdulhameed , Nasiru Bala , Abdullahi Hussaini "Comparison Between Second Vertical Derivative and Tilt Angle Methods in Detecting Edges of Gravity Anomaly" Iconic Research And Engineering Journals Volume 5 Issue 6 2021 Page 83-87

IEEE:
Ahmad Alhassan , Auwal Aliyu , Yusuf Abdulhameed , Nasiru Bala , Abdullahi Hussaini "Comparison Between Second Vertical Derivative and Tilt Angle Methods in Detecting Edges of Gravity Anomaly" Iconic Research And Engineering Journals, 5(6)