Abstract
Abstract. The Bentong-Raub Suture Zone (BRSZ) of peninsular Malaysia was selected as case study to evaluate the capability of the Phased Array type L-band Synthetic Aperture Radar (PALSAR) satellite remote sensing data for structural geology mapping in tropical environments. The structural elements in the BRSZ were enhanced using multi-polarization configuration of PALSAR data at a regional scale. Adaptive local sigma and directional filters were applied to PALSAR data for detailed structural mapping. Numerous tectonic lineaments with consistent variation in trend, length and density were detected in the study area. Structural analysis of the BRSZ reveals that two distinct parts can be defined, a western part affected mainly by ductile fabrics in the Cameron Highlands and an eastern part affected mainly by brittle deformation in the BRSZ. Ductile deformation indicates several generation of folding in the Cameron Highlands. Several faults, joints and fractures represent brittle deformation events in the BRSZ. The results of this study demonstrate the usefulness of PALSAR satellite remote sensing data for mapping geological structures in tropical environments.
Highlights
Structural geology mapping is one the most important analysis for hydrocarbon and mineral exploration and geotechnical investigations
Structural analysis reveals that two distinct parts can be defined in the study area, a western part affected mainly by ductile fabrics in the Cameron Highlands and an eastern part affected mainly by brittle deformation in the Bentong-Raub Suture Zone (BRSZ)
It is observed that Phased Array type L-band Synthetic Aperture Radar (PALSAR) remote sensing satellite data provide comprehensive structural geology information for mineral exploration and geotechnical applications in tropical environments
Summary
Structural geology mapping is one the most important analysis for hydrocarbon and mineral exploration and geotechnical investigations. Structural geology mapping is at the core of geotechnical site assessment for bridges, dams, tunnels, nuclear reactors, waste disposals and etc. Geological study could not be conducted without the input of structural information for any study area. For the Title and Abstract and in two columns for all subsequent text. All text should be single-spaced, unless otherwise stated. Numerous structural geology studies have been conducted in arid and semi-arid regions using optical and radar satellite data (Raharimahefa, and Kusky, 2007, 2009). The analysis of geological structures using optical satellite remote sensing data in tropical environments is complicated as a consequence of the vegetation cover, persistent cloud coverage and limited bedrock exposures
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