Kinematics and Timing of Brittle-Ductile Shearing of Mylonites along the Bok Bak Fault, Peninsular Malaysia

Salmanfarsi, Ahmad Faiz and Shuib, Mustaffa Kamal and Ng, Tham Fatt and Mohamad Zulkifley, Mohamad Tarmizi (2018) Kinematics and Timing of Brittle-Ductile Shearing of Mylonites along the Bok Bak Fault, Peninsular Malaysia. Current Science, 114 (05). pp. 1110-1116. ISSN 0011-3891

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Official URL: https://doi.org/10.18520/cs/v114/i05/1110-1116

Abstract

Study on the Bok Bak fault in Peninsular Malaysia reveals it to be a predominantly dextral brittle-ductile strike slip fault zone. This fault zone is characterized by gentle to sub-horizontal NE stretching lineation. The deformation occurred in a brittle-ductile domain. 40Ar/39Ar radiometric dating of biotite from the mylonite assigns an age of 136.1 ± 1.4 Ma. This age is the first reported radiometric dating of the Bok Bak fault, suggesting that the fault affected Sundaland prior to the collision between India and Asia, and therefore indicates an early faulting in the Malay Peninsula.

Item Type: Article
Uncontrolled Keywords: 40Ar/39Ar dating; Bok Bak fault; Peninsular Malaysia; Strike slip; Sundaland
Subjects: Q Science > Q Science (General)
Q Science > QE Geology
Divisions: Faculty of Science > Dept of Geology
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 22 Mar 2019 05:48
Last Modified: 22 Mar 2019 05:48
URI: http://eprints.um.edu.my/id/eprint/20793

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