Mineral Identification on Sediments of Pergau Dam Intakes

Pergau Dam as the largest hydroelectrical generation station in Peninsular Malaysia within a mountainous region; is supplied by many flowing river as its intakes. Previous researches within Pergau area mostly focused on biodiversity while this research was to carry out baseline investigation on the...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2020-08, Vol.549 (1), p.12025
Main Authors: Chang, Chang Shen, Yusoff, Abdul Hafidz, Abas, Muhamad Azahar, Muhamad Nor, Amal Najihah, Sulaiman, Ahmad Ziad, Mohd Amin, Mohamad Faiz, Samsudin, Mohd Fikri, Sulaiman, Mohd Sofiyan, Mahmood, Abdul Aziz
Format: Article
Language:English
Subjects:
Biodiversity
Biotite
Chlorites
Diffraction patterns
Feldspars
Fluorescence
Isotopes
Mica
Mineralogy
Minerals
Monazite
Muscovite
Plagioclase
Quartz
Rocks
Sediments
Weathering
X ray fluorescence analysis
X-ray diffraction
X-ray fluorescence
Zircon
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Summary:Pergau Dam as the largest hydroelectrical generation station in Peninsular Malaysia within a mountainous region; is supplied by many flowing river as its intakes. Previous researches within Pergau area mostly focused on biodiversity while this research was to carry out baseline investigation on the minerals present in the intakes sediment of Pergau Dam through surface sampling. Through stereoscopic observation, assemblages of quartz, plagioclase, feldspar, muscovite, and biotite minerals in sediments implies a granitoid source rock. By computing X-ray Fluorescence (XRF) chemical compositional data of sediments into chemical weathering indices, overall weathering condition of Pergau Dam intakes area are unweathered to low chemical weathering intensity. Through Combination of XRF data and X-ray Diffraction (XRD) patterns of mineral phases, detailed mineralogy of plagioclases, K-feldspars, sericites, chlorites and accessory minerals such as epidotes, zircon and monazite were identified. Mineral assemblage and Streckeisen Diagram plots indicate the granitoid source rocks of the sediments are quartz monzorite and quartz monzodiorite.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/549/1/012025