Gravity And Magnetic Data Analysis To Detect The Basement Rock Structure At Sungai Pahang Delta Area
The objective of this study is to model and establish a geological structure, mainly the basement rock, using potential field analysis. Two potential field methods, i.e. gravitational field and magnetic field were used in this study. The coastal margin sedimentary basin at Sungai Pahang Delta in P...
| Main Authors: | Mohd Noh, Khairul Arifin, Tuan Harith, Zuhar Zahir, Mohd Nordin, Mohd Nawawi |
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| Format: | Conference or Workshop Item |
| Institution: | Universiti Teknologi Petronas |
| Record Id / ISBN-0: | utp-eprints.5706 / |
| Published: |
2008
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| Subjects: | |
| Online Access: |
http://eprints.utp.edu.my/5706/1/112.pdf http://eprints.utp.edu.my/5706/2/detail.php%3Fpubid%3D42902 http://www.eegs.org/ http://eprints.utp.edu.my/5706/ |
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| Summary: |
The objective of this study is to model and establish a geological structure, mainly the basement rock,
using potential field analysis. Two potential field methods, i.e. gravitational field and magnetic field
were used in this study. The coastal margin sedimentary basin at Sungai Pahang Delta in Pekan, Pahang
was chosen as the study site. This is to identify the basement rock structure due to delta development
such as fault zone evolution, basement expansion and compaction. The data were interpreted both
qualitatively and quantitatively. The qualitative interpretation is based on anomalies on the contour
maps, and the quantitative interpretation is based on data modeling. There is good correlation between
the gravitational and the magnetic field methods since the same features are found at the same locations.
The result from the magnetic field method shows that the basement rock contains extended basalt
intrusion. However, the gravitational data show a more localized intrusion and the presence of a
metamorphism contact zone. |
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