Berita Sedimentologi TIMOR & ARAFURA SEA Number 24 07/2012 Permian-Jurassic Palaeogeography of the SE Banda Arc Region page 5 MMMuuuddd VVVooolllcccaaannnooo iiinnn SSSooouuuttthhheeeaaasssttt MMMaaallluuukkkuuu::: EEEvvviiidddeeennnccceee fffooorrr NNNeeeooottteeeccctttooonnniiicccsss iiinnn EEEaaasssttt IIInnndddooonnneeesssiiiaaa pppaaagggeee 111888 HHHiiiggghhhllliiiggghhhtttsss aaannnddd IIImmmpppllliiicccaaatttiiiooonnn ooofff aaa DDDeeeeeeppp---CCCrrruuussstttaaalll SSSeeeiiisssmmmiiiccc RRReeefffllleeeccctttiiiooonnn SSSuuurrrvvveeeyyy iiinnn ttthhheee AAArrraaafffuuurrraaa SSSeeeaaa RRReeegggiiiooonnn pppaaagggeee 444888 Published by The Indonesian Sedimentologists Forum (FOSI) The Sedimentology Commission - The Indonesian Association of Geologists (IAGI) Number 24 – July 2012 Page 1 of 74 Berita Sedimentologi TIMOR & ARAFURA SEA Editorial Board Advisory Board Herman Darman Prof. Yahdi Zaim Chief Editor Quarternary Geology Shell International Exploration and Production B.V. Institute of Technology, Bandung P.O. Box 162, 2501 AN, The Hague – The Netherlands Fax: +31-70 377 4978 Prof. R. P. Koesoemadinata E-mail: [email protected] Emeritus Professor Institute of Technology, Bandung Minarwan Deputy Chief Editor Wartono Rahardjo Mubadala Petroleum (Thailand) Ltd. University of Gajah Mada, Yogyakarta, Indonesia 31st Floor, Shinawatra Tower 3, 1010 Viphavadi Rangsit Rd. Chatuchak, Bangkok 10900, Thailand Ukat Sukanta E-mail: [email protected] ENI Indonesia Fuad Ahmadin Nasution Mohammad Syaiful Total E&P Indonesie Exploration Think Tank Indonesia Jl. Yos Sudarso, Balikpapan 76123 E-mail: [email protected] F. Hasan Sidi Woodside, Perth, Australia Fatrial Bahesti PT. Pertamina E&P NAD-North Sumatra Assets International Reviewers Standard Chartered Building 23rd Floor Jl Prof Dr Satrio No 164, Jakarta 12950 - Indonesia Prof. Dr. Harry Doust E-mail: [email protected] Faculty of Earth and Life Sciences Vrije Universiteit Wayan Heru Young De Boelelaan 1085 University Link coordinator 1081 HV Amsterdam Legian Kaja, Kuta, Bali 80361, Indonesia The Netherlands E-mail: [email protected] E-mails: [email protected]; [email protected] Julianta Panjaitan J.T. (Han) van Gorsel Membership coordinator 6516 Minola St. PT. Schlumberger Geophysics Nusantara Houston, TX 77007, USA Data & Consulting Services www.vangorselslist.com Jl. Mulawarman Km. 20, P.O.Box 117 E-mail: [email protected] Balikpapan 76117, Kalimantan Timur, Indonesia E-mail: [email protected] Dr. T.J.A. Reijers Geo-Training & Travel Agus Suhirmanto Gevelakkers 11 Seruway Offshore Exploration Limited 9465TV Anderen, The Netherlands Wisma GKBI Building 37th Floor E-mail: [email protected] Jl. Jend. Sudirman No. 28, Jakarta 10210 E-mail: [email protected] Cover Photograph: Visitasi Femant Treasurer Mud volcano on the Wahru Island, Pertamina Hulu Energi Kei Kecil Islands Kwarnas Building 6th Floor Jl. Medan Merdeka Timur No.6, Jakarta 10110 (Photo courtesy of Y. Zaim) E-mail: [email protected] Taken from the Paper of Y. Zaim et al. (BS#24, page 18) • Published 3 times a year in February, June and October by the Indonesian Sedimentologists Forum (Forum Sedimentologiwan Indonesia, FOSI), a commission of the Indonesian Association of Geologists (Ikatan Ahli Geologi Indonesia, IAGI). • Cover topics related to sedimentary geology including their depositional processes, deformation, minerals, basin fill, etc. Number 24 – July 2012 Page 2 of 74 Berita Sedimentologi TIMOR & ARAFURA SEA Berita Sedimentologi A sedimentological Journal of the Indonesia Sedimentologists Forum (FOSI), a commission of the Indonesian Association of Geologist (IAGI) From the Editor Welcome to Berita Sedimentologi compiled published seismic lines in the universities. There are interests from number 24! Timor-Tanimbar trough. By putting the industry to put advertisements in consistent stratigraphic nomenclatures, the bulletin. We offer some space for The volume focuses on the it may help readers to understand advertisement with financial southeastern part of Indonesia, which different geological settings of the contribution and the form is included covers the southern part of Banda Arc, trough. Access to old publications is in this bulletin. Visitasi Femant has Timor Sea and Arafura Sea. We have not always easy, but Han van Gorsel agreed to volunteer herself as the received a number of interesting has brought back Molengraaff and treasurer for FOSI. articles on the region. Brouwer (1915) article for us to read. An article on mud volcanoes in the In July 2012, our Linked-in region has been submitted by Yahdi membership database recorded 512 Zaim, based on his previous field work members. Is it time for members to in early 1990's. Zaim's study shows pay contribution for to the active tectonism in the area. organization? We will discuss this issue in forum. Putri Radiani has initially submitted an article for previous Berita Finally, I wish you a happy reading Sedimentologi volume. Due to time, I'm sure you will enjoy this technical reason, the editors can only volume. include it in current volume. An announcement on a recent book Best Regards, published by Michael McLane, AAPG Tim Charlton submitted an article that Singapore meeting and EAGE summarizes the regional tectonic membership are included in this evolution of the SE Banda Arc. As an volume as well. expert of the area, Tim shows the Permian to Jurassic paleographic On organization's news, FOSI - the reconstruction of the area. Jim Granath Indonesian Sedimentologists Forum, Herman Darman et al., provided a number of excellent plan to raise some fund to support Chief Editor quality deep seismic lines. These hard geological education in Indonesia by data help geoscientists to understand giving sponsorship to students and the regional geology in the area. I've providing essential books for INSIDE THIS ISSUE Book Review : The SE Asian Getway: Permian-Jurassic Palaeogeography of the SE 5 Seismic Expression of the Timor-Tanimbar, 39 History and Tectonic of the Australian- 56 Banda Arc Region – T. Charlton Eastern Indonesia – H. Darman Asia Collision, editor: Robert Hall et al – T.J.A. Reijers Book Review - Biodiversity, Highlights and Implication of a Deep-Crustal Mud Volcano in Southeast Maluku: Evidence for Biogeography and Nature Conservation Seismic Reflection Survey in the Arafura Sea Neotectonics in East Indonesia – Y. Zaim et. al. 18 48 in Wallacea and New Guinea (Volume 1), 58 Region – J.W. Granath et. al. Edited by D. Telnov, Ph.D. – H. Darman Ophiolite obduction on Leti Island, as described The Sorong Fault Zone Kinematics: Implication by Molengraaff and Brouwer (1915): implication for Structural Evolution on Salawati Basin, for age and genesis of metamorphic complexes 24 Seram and Misool, West Papua, Indonesia – P. 61 in the Outer Banda Arc, Eastern Indonesia – J.T. Riadini et. al. van Gorsel Number 24 – July 2012 Page 3 of 74 Berita Sedimentologi TIMOR & ARAFURA SEA About FOSI he forum was founded in 1995 as FOSI has close international relations Most of FOSI administrative work will T the Indonesian Sedimentologists with the Society of Sedimentary be handled by the editorial team. IAGI Forum (FOSI). This organization is a Geology (SEPM) and the International office in Jakarta will help if necessary. commu-nication and discussion forum Association of Sedimentologists (IAS). for geologists, especially for those Fellowship is open to those holding a dealing with sedimentology and recognized degree in geology or a sedimentary geology in Indonesia. cognate subject and non-graduates who have at least two years relevant The forum was accepted as the experience. sedimentological commission of the Indonesian Association of Geologists FOSI has organized 2 international (IAGI) in 1996. About 300 members conferences in 1999 and 2001, were registered in 1999, including attended by more than 150 inter- industrial and academic fellows, as well national participants. The official website of FOSI is: as students. http://www.iagi.or.id/fosi/ FOSI Membership Any person who has a background in geoscience and/or is engaged in the practising or teaching of geoscience or its related business may apply for general membership. As the organization has just been restarted, we use LinkedIn (www.linkedin.com) as the main data base platform. We realize that it is not the ideal solution, and we may look for other alternative in the near future. Having said that, for current situation, the LinkedIn is fit for purpose. International members and students are welcome to join the organization. FOSI Group Member as of JUNE 2012 Number 24 – July 2012 Page 4 of 74 Berita Sedimentologi TIMOR & ARAFURA SEA Permian-Jurassic Palaeogeography of the SE Banda Arc Region Tim Charlton 1 Saint Omer Ridge, Guildford, Surrey, GU1 2DD, U.K. Corresponding Author: [email protected] Abstract Introduction Palaeogeographic maps covering the southern and eastern The islands of the southern and eastern Banda non-volcanic sectors of the Banda forearc (Savu to the Kei islands, also arc (Savu, Roti, Timor, Babar, Tanimbar and Kei, with including Timor and the Tanimbar islands) and adjacent numerous smaller intervening islands: Figure 1) are situated parts of the northwest Australian continental margin are in the Neogene zone of collision between the Banda island presented for the Early Permian, Middle-Late Permian, arc and the formerly passive northwestern continental Early-Middle Triassic, Late Triassic, and Early, Middle and margin of