TITLE

Applying Seismic Refraction Method in Depicting Geological Contact at Bukit Bunuh, Lenggong, Perak, Malaysia

AUTHOR(S)
Ali, Nisa'; Saad, Rosli; Saidin, M. Mokhtar; Nordiana, M. M.
PUB. DATE
May 2012
SOURCE
International Proceedings of Chemical, Biological & Environmenta;2012, Vol. 36, p59
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The study objective is to delineate geological contact for subsurface geological structure. The study area situated at Bukit Bunuh, Lenggong, Perak, Malaysia, covered 8km long with West-East direction. A combination of 62 seismic spread with 115m each spread, data acquisition conducted using 20kg weight drop as the wave source, 24 units of 24Hz geophones and a seismograph. Time-travel of the seismic wave is used for interpretation using computer software. The geological contact is determined by distinct changes of the seismic velocity as this indicates that the wave has entered a new earth material with different elastic property. Result shows that the study area basically consist of two main zones which are alluvium mix with boulders with seismic velocity of 400-1400m/s and granite bedrock with velocity of 2100-6000m/s. Correlation made with borehole data has confirmed that the earth materials are alluvium and granite. The thickness of the first layer which also indicates depth to bedrock was 4.1-28.7m.
ACCESSION #
83447729

 

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