Combined analysis of 2-D electrical resistivity, seismic refraction and geotechnical investigations for Bukit Bunuh complex crater

Interest in studying impact crater on earth has increased tremendously due to its importance in geologic events, earth inhabitant history as well as economic value. The existences of few shock metamorphism and crater morphology evidences are discovered in Bukit Bunuh, Malaysia thus detailed studies...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2015-01, Vol.23 (1), p.12013-12018
Main Authors: Azwin, I N, Saad, Rosli, Saidin, Mokhtar, Nordiana, M M, Bery, Andy Anderson, Hidayah, I N E
Format: Article
Language:English
Subjects:
Boreholes
Craters
Data acquisition
Earth
Electrical resistivity
Geology
Geophysical methods
Geotechnics
Metamorphism
Moisture content
Morphology
P waves
Refraction
Shock metamorphism
Two dimensional analysis
Velocity
Water content
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Summary:Interest in studying impact crater on earth has increased tremendously due to its importance in geologic events, earth inhabitant history as well as economic value. The existences of few shock metamorphism and crater morphology evidences are discovered in Bukit Bunuh, Malaysia thus detailed studies are performed using geophysical and geotechnical methods to verify the type of the crater and characteristics accordingly. This paper presents the combined analysis of 2-D electrical resistivity, seismic refraction, geotechnical SPT N value, moisture content and RQD within the study area. Three stages of data acquisition are made starting with regional study followed by detailed study on West side and East side. Bulk resistivity and p-wave seismic velocity were digitized from 2-D resistivity and seismic sections at specific distance and depth for corresponding boreholes and samples taken. Generally, Bukit Bunuh shows the complex crater characteristics. Standard table of bulk resistivity and p-wave seismic velocity against SPT N value, moisture content and RQD are produce according to geological classifications of impact crater; inside crater, rim/slumped terrace and outside crater.
ISSN:1755-1315
1755-1307
1755-1315
DOI:10.1088/1755-1315/23/1/012013