Understanding The Geology of Bukit Tinggi, Pahang Through Geophysical Study

Bukit Tinggi area is located near the Pahang – Selangor boundary and is situated on a big fault zone, known as Bukit Tinggi Fault Zone and comprises of two main lithologies; plutonic igneous rock and metamorphic rock. The plutonic igneous rock in this area is mainly S-type granite and is part of the...

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Main Author: Binti Mohd Azli, Nadiah
Format: Final Year Project
Language: English
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-utpedia.18222 /
Published: Universiti Teknologi PETRONAS 2016
Subjects:
G Geography (General)
Online Access: http://utpedia.utp.edu.my/18222/1/UNDERSTANDING%20THE%20GEOLOGY%20OF%20BUKIT%20TINGGI%20PAHANG%20THROUGH%20GEOPHYSICAL%20STUDY.pdf
http://utpedia.utp.edu.my/18222/
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spelling utp-utpedia.182222018-11-22T14:40:35Z http://utpedia.utp.edu.my/18222/ Understanding The Geology of Bukit Tinggi, Pahang Through Geophysical Study Binti Mohd Azli, Nadiah G Geography (General) Bukit Tinggi area is located near the Pahang – Selangor boundary and is situated on a big fault zone, known as Bukit Tinggi Fault Zone and comprises of two main lithologies; plutonic igneous rock and metamorphic rock. The plutonic igneous rock in this area is mainly S-type granite and is part of the Main Range Granite while the metamorphic rock is categorized as series of schist and granitic gneiss. The Bukit Tinggi Fault Zone was formed by dextral strike-slip faulting that occurred in Jurassic – Creataceous and later reactivated to sinistral strike-slip fault in Mid to Late Cretaceous. Thirteen small earthquakes were recorded in this area from November 2007 to January 2008 with magnitude of 2.0 to 3.5. Thus, this study is aimed to see the lineament orientations after these several earthquake occurences and to examine the relationship of lineaments of Bukit Tinggi Fault Zone observed on megascale from DEM data and the lineament orientations on mesoscale from magnetic study as well as from structural analysis. One geological fieldwork and one geophysical fieldwork were conducted in Bukit Tinggi area for this project. Six outcrops in Bukit Tinggi and four outcrops in Janda Baik were studied during the geological fieldwork. In Bukit Tinggi area, the igneous rocks were felsic with medium to coarse-grained biotite porphyritic granite and granite gneiss while in Janda Baik, it showed that the granite consisted of fine-grained biotite minerals. Structural analysis was done at the outcrops to interpret the lineament orientations to understand the direction of stress that caused the deformations. Magnetic survey was conducted at Kampung Bukit Tinggi during the geophysical fieldwork to map the lineaments of this area. Eight loops were done, which covered an area of approximately 500m x 500m. The magnetic data was processed and mapped in Surfer 11 software for interpretation. In megascale study, DEM interpretation on the lineaments was done, from Bukit Tinggi area to eastern Selangor. The results obtained from all three methods; outcrop studies, DEM interpretation and magnetic study showed the same lineament orientations with NW-SE major trend and NE-SW as well as E-W minor trends, which followed the regional trend of Bukit Tinggi Fault Zone. However, the magnetic data only showed the NW-SE trend due to limited survey coverage because of inaccessible area of thick vegetation and high hills as well as safety issues. Universiti Teknologi PETRONAS 2016-01 Final Year Project NonPeerReviewed application/pdf en http://utpedia.utp.edu.my/18222/1/UNDERSTANDING%20THE%20GEOLOGY%20OF%20BUKIT%20TINGGI%20PAHANG%20THROUGH%20GEOPHYSICAL%20STUDY.pdf Binti Mohd Azli, Nadiah (2016) Understanding The Geology of Bukit Tinggi, Pahang Through Geophysical Study. Universiti Teknologi PETRONAS. (Submitted)
institution Universiti Teknologi Petronas
collection UTPedia
language English
topic G Geography (General)
spellingShingle G Geography (General)
Binti Mohd Azli, Nadiah
Understanding The Geology of Bukit Tinggi, Pahang Through Geophysical Study
description Bukit Tinggi area is located near the Pahang – Selangor boundary and is situated on a big fault zone, known as Bukit Tinggi Fault Zone and comprises of two main lithologies; plutonic igneous rock and metamorphic rock. The plutonic igneous rock in this area is mainly S-type granite and is part of the Main Range Granite while the metamorphic rock is categorized as series of schist and granitic gneiss. The Bukit Tinggi Fault Zone was formed by dextral strike-slip faulting that occurred in Jurassic – Creataceous and later reactivated to sinistral strike-slip fault in Mid to Late Cretaceous. Thirteen small earthquakes were recorded in this area from November 2007 to January 2008 with magnitude of 2.0 to 3.5. Thus, this study is aimed to see the lineament orientations after these several earthquake occurences and to examine the relationship of lineaments of Bukit Tinggi Fault Zone observed on megascale from DEM data and the lineament orientations on mesoscale from magnetic study as well as from structural analysis. One geological fieldwork and one geophysical fieldwork were conducted in Bukit Tinggi area for this project. Six outcrops in Bukit Tinggi and four outcrops in Janda Baik were studied during the geological fieldwork. In Bukit Tinggi area, the igneous rocks were felsic with medium to coarse-grained biotite porphyritic granite and granite gneiss while in Janda Baik, it showed that the granite consisted of fine-grained biotite minerals. Structural analysis was done at the outcrops to interpret the lineament orientations to understand the direction of stress that caused the deformations. Magnetic survey was conducted at Kampung Bukit Tinggi during the geophysical fieldwork to map the lineaments of this area. Eight loops were done, which covered an area of approximately 500m x 500m. The magnetic data was processed and mapped in Surfer 11 software for interpretation. In megascale study, DEM interpretation on the lineaments was done, from Bukit Tinggi area to eastern Selangor. The results obtained from all three methods; outcrop studies, DEM interpretation and magnetic study showed the same lineament orientations with NW-SE major trend and NE-SW as well as E-W minor trends, which followed the regional trend of Bukit Tinggi Fault Zone. However, the magnetic data only showed the NW-SE trend due to limited survey coverage because of inaccessible area of thick vegetation and high hills as well as safety issues.
format Final Year Project
author Binti Mohd Azli, Nadiah
author_sort Binti Mohd Azli, Nadiah
title Understanding The Geology of Bukit Tinggi, Pahang Through Geophysical Study
title_short Understanding The Geology of Bukit Tinggi, Pahang Through Geophysical Study
title_full Understanding The Geology of Bukit Tinggi, Pahang Through Geophysical Study
title_fullStr Understanding The Geology of Bukit Tinggi, Pahang Through Geophysical Study
title_full_unstemmed Understanding The Geology of Bukit Tinggi, Pahang Through Geophysical Study
title_sort understanding the geology of bukit tinggi, pahang through geophysical study
publisher Universiti Teknologi PETRONAS
publishDate 2016
url http://utpedia.utp.edu.my/18222/1/UNDERSTANDING%20THE%20GEOLOGY%20OF%20BUKIT%20TINGGI%20PAHANG%20THROUGH%20GEOPHYSICAL%20STUDY.pdf
http://utpedia.utp.edu.my/18222/
_version_ 1741195315875151872
score 11.62408

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