Geomorphology and karstification of the southern field high carbonates in Central Luconia Province

Kiat, C.W. and Menier, D. and Fathiyah Jamaludin, S.N. and Ghosh, D. (2016) Geomorphology and karstification of the southern field high carbonates in Central Luconia Province. In: UNSPECIFIED.

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Abstract

The development of the Central Luconia carbonates in offshore Sarawak has been governed by the orientation of the Luconia Platform, syn-depositional features generated by the rifting and oceanographic parameters, such as sea level fluctuations, hydrodynamic, climate changes, salinity, and oxygen levels. The studied carbonate platform is developed over a southern field high of Central Luconia Province. The prevalent high frequency sea level fluctuations during the Miocene (Burdigalian to Serravallian stages) developed an extensive array of karst by rapid sub-aerial exposure and re-submergence of the carbonate platforms. Multi-attribute was applied to the 3D seismic volume of one of the selected carbonate platforms in Central Luconia Province to recognise karstic feature developed within the platforms. Though it is explicit that karstification occurred mainly along fractures and faults, the karst distribution in the Central Luconia carbonates remains to be an enigma due to their heterogeneous nature, which in turn provides a challenge in drilling and exploration. The studied platform exhibits patchy growth distribution during the Burdigalian stage. This growth is deemed as the initial stage of carbonate growth followed by a combination of build-out and backstepping for the second growth stage. A major karstification stage is highlighted on the second stage build-up, which correlates with a major sea level drop and the distinctive collapsed-paleocave topography. Drowning is evident on the final stage of the platform that can be correlated to the final surge of sea level rise in the Serravallian. © 2016, Offshore Technology Conference

Item Type: Conference or Workshop Item (UNSPECIFIED)
Additional Information: cited By 2; Conference of Offshore Technology Conference Asia 2016, OTCA 2016 ; Conference Date: 22 March 2016 Through 25 March 2016; Conference Code:138191
Uncontrolled Keywords: Antennas; Carbonates; Carbonation; Climate change; Geomorphology; Landforms; Seismology, Carbonate platforms; Fractures and faults; High frequency HF; Karstification; Multi-attributes; Sea-level drops; Sea-level fluctuations; Sealevel change, Sea level
Depositing User: Mr Ahmad Suhairi UTP
Date Deposited: 09 Nov 2023 16:19
Last Modified: 09 Nov 2023 16:19
URI: https://khub.utp.edu.my/scholars/id/eprint/7319

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