The kinematic history of the Khlong Marui and Ranong Faults, southern Thailand

Watkinson, Ian M.; Elders, Chris; Hall, Robert

doi:10.1016/j.jsg.2008.09.001

Cited by 60 publications

(42 citation statements)

References 66 publications

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“…Another branch swings south into the Upper Peninsula and it is this one which likely meets with the Ranong Fault and the Khlong Marui Fault and so is part of the eastern boundary of the Phuket Terrane ( Fig. 1; Watkinson et al, 2008). The Three Pagodas Fault saw major ductile sinistral transcurrent movement on it in the Late Eocene-Early Oligocene (C.K.…”

Section: Structural Considerationsmentioning

confidence: 99%

“…The fact that the Ranong Fault juxtaposes at the surface similar rocks of the Kaeng Krachan Group does not preclude a vertical displacement at depth. Watkinson et al (2008) have shown that the Khlong Marui Fault and the Ranong Fault have a history of movement extending back to the Late Cretaceous; however, this latest suggestion that they formed part of the Phuket Terrane rift system would imply that their history goes back at least to the Early Permian.…”

Section: Structural Considerationsmentioning

confidence: 99%

“…In Peninsular Thailand, Watkinson et al (2008) have shown the Ranong Fault ( Fig. 1) was also a major dislocation with a long history of movement, and it is likely that it too was part of a set of faults forming the boundary of the rift.…”

Section: Structural Considerationsmentioning

confidence: 99%

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The Phuket Terrane: A Late Palaeozoic rift at the margin of Sibumasu

Ridd

2009

Journal of Asian Earth Sciences

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Section: Structural Considerationsmentioning

confidence: 99%

Section: Structural Considerationsmentioning

confidence: 99%

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The Phuket Terrane: A Late Palaeozoic rift at the margin of Sibumasu

Ridd

2009

Journal of Asian Earth Sciences

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“…Basin maximum horizontal stress is suitably oriented to yield the brittle, late sinistral motion suggested to occur on the seismically-active Ranong Fault Zone (Garson et al, 1975;Watkinson et al, 2008;Morley et al, in press). …”

Section: Accepted M Manuscriptmentioning

confidence: 99%

Present-day stress field of Southeast Asia

et al. 2010

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It is now well established that ridge push forces provide a major control on the plate-scale stress field in most of the Earth's tectonic plates. However, the Sunda plate that comprises much of Southeast Asia is one of only two plates not bounded by a major spreading centre and thus provides an opportunity to evaluate other forces that control the intraplate stress field. The Cenozoic tectonic evolution of the Sunda plate is usually considered to be controlled by escape tectonics associated with India-Eurasia collision. However, the Sunda plate is bounded by a poorly understood and complex range of convergent and strike-slip zones and little is known about the effect of these other plate boundaries on the intraplate stress field in the region. We compile the first extensive stress dataset for Southeast Asia, A C C E P T E D M A N U S C R I P T ACCEPTED MANUSCRIPTthe radiating stress patterns arising from the eastern Himalayan syntaxis. However, the present-day maximum horizontal stress is primarily oriented NW-SE in Borneo, a direction that may reflect plate-boundary forces or topographic stresses exerted by the central Borneo highlands. Furthermore, the South and Central Sumatra Basins exhibit a NE-SW maximum horizontal stress direction that is perpendicular to the Indo-Australian subduction front. Hence, the plate-scale stress field in Southeast Asia appears to be controlled by a combination of Himalayan orogeny-related deformation, forces related to subduction (primarily trench suction and collision) and intraplate sources of stress such as topography and basin geometry.

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“…Among them, Ranong fault zone (RFZ) and Khlong Marui fault zone (KMFZ) are the two NNE-SSW striking active fault zones located in the southern region of Thailand 4 . Although the two faults are capable of producing small earthquakes 5,6 , evidence from an earthquake of magnitude 4.3 hit on Phuket province in 2012 as well as the currently developed seismic hazard map for southern Thailand shows a high ground shaking along the fault zones where the maximum ground motion is located along the KMFZ 7 .…”

Section: Introductionmentioning

confidence: 99%

Detection of hidden faults beneath Khlong Marui fault zone using seismic reflection and 2-D electrical imaging

Saetang¹,

Yordkayhun²,

Wattanasen³

2014

ScienceAsia

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ABSTRACT:The Khlong Marui fault zone is a major fault located in the southern part of Thailand extending across the peninsula. In spite of the available information on fault segments and tectonic activity associated with faulting, the local scale fault characteristics are currently barely known and are often difficult to detect in areas where surface displacement has not occurred. The present geological field investigation reveals that the study area in Surat Thani province possibly contains more minor faults where the shallow faulting is evident. To detect fault locations and to study fault characteristics, seismic reflection analysis and 2-D electrical imaging were applied along the three survey lines as a case study. After data processing, an interpretation was proposed based on the correlation of geophysical results with the geological information. Discontinuities in the main horizons in seismic sections and correlatable zones in resistivity imaging indicate that faulting is present in a Permian-Carboniferous unit and may extend to the shallow subsurface in Quaternary sediments.

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The kinematic history of the Khlong Marui and Ranong Faults, southern Thailand

Cited by 60 publications

References 66 publications

The Phuket Terrane: A Late Palaeozoic rift at the margin of Sibumasu

The Phuket Terrane: A Late Palaeozoic rift at the margin of Sibumasu

Present-day stress field of Southeast Asia

Detection of hidden faults beneath Khlong Marui fault zone using seismic reflection and 2-D electrical imaging

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