Geophysical Parameters For Sedimentary Rock In Northwestern Peninsula Malaysia

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dc.contributor.authorBadrul Hisham, Hazrul Hisham
dc.date.accessioned2019-08-27T01:34:36Z
dc.date.available2019-08-27T01:34:36Z
dc.date.issued2017-07
dc.description.abstractGeophysical methods have been utilized in studying the subsurface geology of the earth. Broad range of seismic velocity and resistivity values of rocks makes it difficult to interpret the type of subsurface material. In northwestern Peninsula Malaysia, five localities have been selected to conduct seismic refraction tomography and electrical resistivity tomography to be integrated with the porosity and permeability of rocks. The rock samples from the site were tested in laboratory to obtain its porosity and permeability. In Kedah, the Semanggol Formation at Bukit Kukus, Kuala Ketil consist of Permian facies; chert and claystone. The chert facies give seismic velocity of >1500 m/s and resistivity of 1400 – 45000 Ωm while claystone gives 600 – 1200 m/s and 400 – 1000 Ωm respectively. The porosity and permeability of chert is 3% and 2.05 x 10-4 μd while for claystone, both properties are high due to its friable characteristics. The Triassic facies of Semanggol Formation located in Kulim – Baling area where thinly chert facies characterized by seismic velocity of >1400 m/s and resistivity 5000 – 60000 Ωm. In Perlis, the Chepor Member of Kubang Pasu Formation is located at Bumita Quarry, Utan Aji and Hill B, Guar Jentik. It consists of red mudstone, grey mudstone and sandstone. The red mudstone and grey mudstone gives nearly the same seismic velocity. Unlike resistivity value, where red mudstone with low resistivity value (10 – 150 Ωm) and grey mudstone gives higher resistivity (120 – 500 Ωm). The porosity value for red mudstone is 0.95% and 1.9% for grey mudstone. The permeability value of both mudstones shows nearly the same value. The uppermost Kubang Pasu Formation at Bukit Chondong, Beseri consists of repetitive facies of sandstone and mudstone.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/8672
dc.language.isoenen_US
dc.publisherUniversiti Sains Malaysiaen_US
dc.subjectGeophysical parameters for sedimentary rocken_US
dc.subjectNorthwestern Peninsula Malaysiaen_US
dc.titleGeophysical Parameters For Sedimentary Rock In Northwestern Peninsula Malaysiaen_US
dc.typeThesisen_US
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