Multibeam study of the Flores Backarc Thrust Belt, Indonesia

Silver, Eli A.; Breen, Nancy A.; Prasetyo, Hardi; Hussong, Donald M.

doi:10.1029/jb091ib03p03489

Cited by 57 publications

(33 citation statements)

References 31 publications

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“…An oil exploration and geological studies of the North Sumatera fore-arc Basin (Izart et al, 1994), Central Sumatera Basin (Matson and Moore, 1992), West Sumatera Basin (Beaudry and Moore, 1985), East Java Basin (Letouzey et al, 1990;Brensden et al, 1992;Koesoemadinata et al, 1999;Basden et al, 2000;Sribudiyani et al, 2003) and fore-arc basin off southwest Sumatera and southwest Java (Susilohadi et al, 2005) give a valuable information on the geological evolution of this region. Studies of central Indonesian basins such as: Flores and Savu-Lombok fore-arc Basins (Silver et al, 1986;Van Weering et al, 1989;Van der Werff et al, 1994) and Bali back-arc basin (Kusnida, 2001) provide a broad outline of the geometry and sedimentary sequences of this active margin system and portray the Cenozoic evolution of the basin.…”

Section: Background and Aims Of Studymentioning

confidence: 99%

Deep Sea Sediment Gravity Flow Deposits in Gulf of Tomini, Sulawesi

Kusnida¹

2008

IJOG

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Micro plate collision against the Eastern Arm of Sulawesi since Pliocene has resulted in a major supply of terigenous sediments into Late Miocene rift-basins in Gulf of Tomini. Studies on offshore multi-channel seismic reflection data complemented by published on-land geological data indicate a series of tectonic events that influenced the depositional system in the Gulf of Tomini. During the Late Neogene, alternating pulses of terigenous sediments were deposited in the basins in the form of deep-sea slump-turbidite-pelagic sediments. A sediment gravity flow deposit system at the slope and the base of the basins changed gradually into a deep-sea pelagic fill system toward the center of the basins.Three tectono-stratigraphy sequences (A, B, and C) separated by unconformities indicating the Late Neogene history and the development of the basins were identified. These tectonic processes imply that the earlier sediments in the Gulf of Tomini are accomplished by a differential subsidence, which allows a thickening of basin infill. The Pliocene-Quaternary basin fill marks the onset of a predominant gravity flow depositional system Keywords: Gulf of Tomini, basin, slump, turbidite, pelagic, seismic stratigraphy Sari Tumbukan benua mikro dengan Lengan Timur Sulawesi sejak zaman Pliosen telah mengakibatkan pasokan sedimen terigenus dalam jumlah besar ke dalam cekungan regangan berumur Miosen

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Section: Background and Aims Of Studymentioning

confidence: 99%

Deep Sea Sediment Gravity Flow Deposits in Gulf of Tomini, Sulawesi

Kusnida¹

2008

IJOG

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“…[138] Offshore geophysical surveys revealed MVism near the island of Sumba as well as along the Flores thrust zone [e.g., Silver et al, 1986] in the Sunda forearc and back arc, respectively. In the forearc wedge as well as on the abyssal plane off the Timor Trough, MVs and mud ridges are observed .…”

Section: A35 Timor-ceram Arcmentioning

confidence: 99%

Significance of Mud Volcanism

Kopf

2002

Reviews of Geophysics

734

646

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Mud volcanism and diapirism have puzzled geoscientists for ∼2 centuries. They have been described onshore and offshore in many places on Earth, and although they occur in various tectonic settings, the majority of the features known to date are located in compressional tectonic scenarios. This paper summarizes the main thrusts in mud volcano research as well as the various regions in which mud volcanism has been described. Mud volcanoes show variable geometry (up to tens of kilometers in diameter and several hundred meters in height) and a great diversity regarding the origin of the fluid and solid phases. Gas (predominantly methane), water, and mud may be mobilized at subbottom depth of only a few meters but, in places, can originate from several kilometers depth (with minor crustal or mantle input). The possible contribution of mud extrusion to global budgets, both from quiescent fluid emission and from the extrusive processes themselves, is important. In regions where mud volcanoes are abundant, such as the collision zones between Africa and Eurasia, fluid flux through mud extrusion exceeds the compaction‐driven pore fluid expulsion of the accretionary wedge. Also, quiescent degassing of mud volcanoes may contribute significantly to volatile budgets and, hence, to greenhouse climate.

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“…Silver [23] predicted that fault is located at the west side until Bali basin which is located at northern Bali. This fault is called Flores back arc thrust.…”

Section: A Tectonic Condition Of Bali and Its Surroundingsmentioning

confidence: 99%