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Holocene Sea-level Change and The Development of Perak Coastal Plain, Perak, West Malaysia

Abd Manaf, Maizatul Asnida and Abd Rahman, Abdul Hadi and Ab Talib, Jasmi (2012) Holocene Sea-level Change and The Development of Perak Coastal Plain, Perak, West Malaysia. In: Second International Conference on Integrated Petroleum Engineering and Geosciences 2012 (ICIPEG 2012), 12-14 June 2012, Kuala Lumpur. (Submitted)

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Official URL: http://www.utp.edu.my/icipeg2012/

Abstract

This paper focuses on the geomorphology, sedimentology and stratigraphy of Perak coastal deltaicplain in relation to Holocene sea level change. Based on analysis of topographic maps and aerial photographs, Perak River has undergone five stages of evolutions before its current river course. The first course (I) runs in a westerly direction near Kg Tg. Blanja. The second (II) and third (III) course stream towards southerly direction. The forth (IV) course branch from the recent river. The fifth flows along Kg. Ulu Dudap towards southerly direction. The first course develop may has been influenced by the Quaternary and Holocene development of the coastal plain. The river shifting towards southerly direction resulted in partial silting of the estuary. The Perak River has been shifted several times and finally followed the direction of the current river. Shallow boreholes from seventeen (17) locations within the area of Parit- Lumut- Bagan Datoh- Langkap in south of Perak has been analyzed. These data show that the Perak coastal plain sedimentary succession can be divided into three major intervals. The oldest interval A (Simpang Formation) was deposited within fluvial environment during the Pleistocene age. The second interval B (Gula Formation) was deposited within a marine environment possibly related to a sea level transgression. The third interval C forms terrestrially; it shows similar characteristics as to Beruas Formation, marked by the occurrences of peat and gravel sediments. It records a phase sea level drop. Keywords: Geomorphology, sedimentology, stratigraphy, transgression, regression.

Item Type:Conference or Workshop Item (Lecture)
Subjects:Q Science > QE Geology
Academic Subject One:Sedimentology
Academic Subject Two:Geoscience
Academic Subject Three:petroleum engineering
Departments / MOR / COE:Departments > Geoscience & Petroleum Engineering
ID Code:8698
Deposited By: Mr Jasmi Ab Talib Ab Talib
Deposited On:16 Jan 2013 02:07
Last Modified:20 Mar 2017 02:03

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