It contains up to 6 km of primarily Miocene to Pliocene deltaic and deepwater sediments. It is fringed to the southeast and the east by an active margin, supposedly the remains of a larger active margin which during Tertiary times extended along … lb). across the deep basin of Sulu–Celebes Sea could introduce. Log in with your society credentials The basin extends to the north-east portion of Sabah in Borneo where there have been gas discoveries, another indication of … After the SCS opening (∼32 Ma) and ridge jump (∼25 Ma), late‐stage Proto‐SCS subduction (24–21 Ma) may have formed the Panay arc andesite and the BABB magmatism in SW Zamboanga peninsula. It is fringed to the southeast and the east by an active margin, supposedly the remains of a larger active margin which during Tertiary times extended along the western side of the Philippines from Luzon to Negros and perhaps from the Sulu Archipelago to the northeastern part of Sabah. If you have previously obtained access with your personal account, please log in. “These petroleum reserves calculations are based on the 16 sedimentary basins situated all over the country from the Cagayan Valley Basin in the north down to the Agusan-Davao Basin in the south as well as the prolific Northwest Palawan Basin and the Sulu Sea Basin along the western flank of the archipelago,” the DOE said. Request PDF | On Dec 25, 2020, Chun‐Kit Lai and others published Cenozoic Evolution of the Sulu Sea Arc‐Basin System: An Overview | Find, read and … The Sulu Sea is an example of a marginal sea with two distinct basins of different types: (1) the Outer Sulu Sea basin, formed inside an old island arc, the Palawan arc; (2) the Inner Sulu Sea, a basin with an oceanic crust. Physics, Solar Planets, Magnetospheric AbstractThe Cenozoic Sulu Sea arc‐basin system is situated in the tectonic junction between the South China Sea (SCS), northern Borneo, Palawan Continental Terrane, Philippine Mobile Belt, … The data coverage and quality are appropriate for. The reprocessing project was conducted in association with MultiClient Geophysical (MCG). Holes were drilled at three Sites in the Sulu Sea on Ocean Drilling Program Leg 124. (noun) 1). The 40,000 sq km basin contains as much as 8,000 m of Neogene deltaic May 10th, 1993 Unlimited viewing of the article PDF and any associated supplements and figures. All rights reserved. The area of each basin ranges from 36,000 sq km to 92,000 sq km (Sulu Sea is bigger but it is partly covered by oceanic crust). The Sulu Sea and the adjacent sea basins (e.g., Celebes and SCS) are situated at the junction between the Eurasian, Philippine Sea, and Indo‐Australian plates. Introduction Figure 1:Configuration and bathymetry of the Sulawesi Sea (m). The basin has high potential but is under-explored. View the article PDF and any associated supplements and figures for a period of 48 hours. errors [50]. This back-arc extension post-dates compressive tectonism present in this back arc area in early Middle Miocene time. Physics, Astrophysics and Astronomy, Perspectives of Earth and Space Scientists, orcid.org/https://orcid.org/0000-0003-2245-4014, orcid.org/https://orcid.org/0000-0002-3203-039X, orcid.org/https://orcid.org/0000-0003-2741-6076, orcid.org/https://orcid.org/0000-0003-1949-8673, orcid.org/https://orcid.org/0000-0001-7440-732X, orcid.org/https://orcid.org/0000-0003-4083-4811, I have read and accept the Wiley Online Library Terms and Conditions of Use. The Sulu Sea basin extends to the northeast portion of Sabah where there have been gas discoveries. Thus, the estimated generation time for IWs are. Northern Borneo underwent intraplate extension and magmatism after ∼9 Ma, and the Sulu Sea subducted along Sulu‐Negros trench from ∼4 Ma. Accepted, unedited articles published online and citable. This article is protected by copyright. The three petroleum play types identified in the basin are carbonate reef build-ups, anticlines and fault blocks. The use of the technique by government and academic groups helped solve basc structural and evolutionary problems of rocks of the deeper offshrore. Learn about our remote access options, Faculty of Science, Universiti Brunei Darussalam, Gadong, BE1410 Brunei Darussalam, State Key Laboratory of Isotope Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, China, SE Asia Research Group, Department of Earth Sciences, Royal Holloway University of London, Egham, Surrey, TW20 0EX UK, Centre for Ore Deposit and Earth Sciences (CODES), University of Tasmania, Tasmania, 7001 Australia, National Institute of Geological Sciences, University of the Philippines Diliman, Philippines, Department of Geological Engineering, Universitas Gadjah Mada, Yogyakarta, Indonesia, This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process, which may lead to differences between this version and the Version of Record. In the central Philippines, convergence of the Eurasian Plate with the PMB is expressed as a continent (Palawan Microcontinental Block)-arc collision zone. Since the Sulu Sea is a closed basin below 420m (Kuehl et al 1993), the temperature of the deep water is uniformly near 10 C, (Tizard et al 1884) the phosphate is about 3 microgram-atoms/litre while the nitrate level is 35 microgram-atoms/litre. Geophysics, Biological The 260,000 sq. Knowledge of continental margins advanced rapidly during the 1970s. Similar Borneo basins including the Baram Delta, the North Sabah Basin, the Tarakan Basin, and the Kutei Basin have combined reserves of greater than 10 billion bbls of oil and 35 tcf of gas. Sulu Sea Basin Projects. Working off-campus? The western trench system is where the marginal basins (South China Sea, Sulu Sea and the Celebes Sea) of the Eurasian Plate are subducting (Rangin & Pubellier 1990; Ringenbach et al. RESEARCH PROJECTS BROWSE BY LOCATION Sulu Sea Basin Projects. Geology and Geophysics, Physical Journal of Geomagnetism and Aeronomy, Nonlinear Spreading continued until at least 10 Ma (early upper Miocene). and you may need to create a new Wiley Online Library account. The papers presented at those meetings are contained in this volume. GEOLOGICAL OUTLINES The Sulu Sea is a structurally complex basin, elongated in a northeast-southwest direction. and Chemical Oceanography, Physical Geophysics, Marine Afterward, to the west of the Sulu Sea, within‐plate extension in northern Borneo occurred and continues to the present‐day; whereas to the east, subduction of the Sulu Sea may have occurred along the Negros‐Sulu trenches, and produced arc volcanism from ∼4 Ma. Please check your email for instructions on resetting your password. One well even had oil and gas shows in MDT samples. The subduction may have formed arc magmatism (21–18 Ma) in the Cagayan ridge and its continuation in Panay and NE Sabah, and opened the NW Sulu Sea backarc basin through continental crust attenuation. The Sulu Sea Basin is one of 14 depocenters in the Philippine Archipelago, a collage of island arcs, continental fragments and tectono-stratigraphic terranes of various origins. Better sources and more sophisticated processing yielded better and deeper resolution of the data. Oceanography, Interplanetary establishing a regional geologic framework Site 768 lies in the deeper part of the SE sub-basin and Sites 769 and 771 lie on the flanks of the Cagayan ridge. By Project Name: By Startdate: By Enddate: By Location: Ventilation History of the Sulu Sea: Record of Abrupt Changes in the Tropical Western Pacific Thermocline: 8/15/17: 7/31/19: Search for other works by this author on: You do not currently have access to this chapter. Properties of Rocks, Computational The Sulu Sea basin may have continued to expand till ∼9 Ma, when NW‐dipping subduction of the Celebes Sea stopped. SSERDC has also applied for a service contract for its own nominated area in the same basin (NA No. sediment thickness (km) Sulu Sea Sandakan backarc 115,000 90% offshore 6 East Palawan Balabac and Bancauan forearc 92,000 100% offshore 3.5 Area (sq km) km. Southeast Asia is located at the junction of four plates: the Eurasian, Indian Ocean/Australian, Pacific, and Philippine Sea plates. Unlimited viewing of the article/chapter PDF and any associated supplements and figures. 1993). The overall configuration of the Philippine Sea resembles a typical sinistral transpressional “pop-up” structure. The Cenozoic Sulu Sea arc‐basin system is situated in the tectonic junction between the South China Sea (SCS), northern Borneo, Palawan Continental Terrane, Philippine Mobile Belt, and Celebes Sea. Exploration efforts in Sulu Sea Basin draw a significant attention to turbidites, an emerging petroleum play in the deeper parts of the basin. Basin Sub- basins Type Max. and Paleomagnetism, History of By continuing to use our website, you are agreeing to our, Cushman Foundation for Foraminiferal Research, Mineralogical Society of Great Britain and Ireland. Recent mag-matic activity related to the Negros trench subduction is however absent from the island, whereas it is well-developed in the neighboring island of Negros (Sajona et al., 2000). Geophysics, Geomagnetism southeast Sulu Sea basin crust subducts along the Sulu Trench and the Negros Trench, with the northern termi-nation of the latter lying west of Panay. Subduction rollback likely occurred in 17–14 Ma and 13–9 Ma, shifting arc magmatism southeast to the Sulu ridge and opening the SE Sulu Sea backarc basin. The Sulu Trench marks the boundary of the Sulu micro-block with the Sulu Sea basin and the Palawan micro-block. Please cite this article as doi: 10.1029/2020TC006630. Please check your email address / username and password and try again. There are 32 chapters divided into the following sections: Rifted Margins; Convergent Margins; Small Basin Margins; and Resources, Comparative Structure, and Eustatic Changes in Sea Level. The final edited and typeset version of record will appear in the future. Here we present a regional tectonic reconstruction model by compiling new/published radiometric age and chemical data of major igneous suites from across the circum‐Sulu Sea region. Our model suggests that the Sulu Sea was formed by the NW‐dipping Celebes Sea subduction at ∼21 Ma, in response to the collision between the South China‐derived Palawan Continental Terrane and northern Borneo‐SW Philippines. Learn more. You could not be signed in. Basin Fill and Structure NW‐dipping Celebes Sea subduction largely ceased after ∼9 Ma, followed by extension‐related uplift/exhumation and 4–0.2 Ma intraplate volcanism in northern Borneo. When and how these sea basins were created are long disputed. A garment similar to a sarong, worn by Melanesians, as in the Fiji Islands. Two wells drilled in the slope-basinal area encountered turbiditic sands towards the bottom part of the wells. Newly reprocessed multiclient 2D seismic data from the Philippines Sulu Sea and East Palawan Basin are now available. Log in. The Sulu Sea Basin, by contrast, is a delta superimposed on a back-arc basin where expected play types are carbonate reef build-ups, anticlines and fault blocks. Most of the oceanic crust is already subducted. To better disseminate new knowledge of continental margins, AAPG held three meetings in 1977 to review the current status of knowledge. The Java, Makassar, Celebes and Sulu Seas basins together with grabens in Borneo also comprise a local dextral, transform-margin type basin system similar to the central and southern parts of the Shanxi Basin in geometry. Enter your email address below and we will send you your username, If the address matches an existing account you will receive an email with instructions to retrieve your username, Journal of Advances The Southeast Sulu Sea is a small oceanic basin that opened in Middle Miocene time in a back-arc setting along the Sundaland margin during subduction of the Celebes Sea plate beneath the Sulu arc. Multichannel seismic reflection whose cost formerly restricted its use largely to the immediate vicinity of shallow-water prospects has become more common in deeper waters. MMBOE stands for million barrels of oil equivalent. The Sandakan Sub-basin, located in the southern Sulu Sea Basin (Figure 1), is different from other parts of the region and different from most basins within the Philippines. 6). Starting of final convergence between the Palawan Continental Terrane and northern Borneo‐SW Philippines (∼21 Ma) likely caused regional uplift/thrusting, forming the Top Crocker Unconformity and triggering the NW‐dipping Celebes Sea subduction. All-Filipino firm Sulu Sea Energy Resources Development Corp. (SSERDC) is eyeing a contract for an offshore area within the Sulu Sea basin (PDA No. This sub-basin, an element of the Sulu Sea Basin, has been the interest of several exploration efforts in Malaysia and Philippines, but there is still no production activity in the area. After Palawan Continental Terrane accretion, Sulu Sea backarc basin was opened by Celebes Sea subduction (∼21 Ma) and rollback (17–9 Ma). (1896-1977), Chinese Journal of Geophysics (2000-2018), International and Petrology, Exploration It is 650 km long and 400 km wide, located between the South China Sea to the north and the Celebes Sea to the south (Fig. The results indicate that the Sulu Basin originated in the late early Miocene (c. 18.8 Ma) in a backarc setting. Composition and Structure, Atmospheric Data incorporated in this analysis includes 2D seismic, gamma-ray logs, biostratigraphy and cuttings The Sulu Sea basin consists of the Sandakan sub-basin while the East Palawan basin is divided into the Balabac and Bancauan sub-basins. What does sulu mean? All-Filipino firm Sulu Sea Energy Resources Development Corp. (SSERDC) is eyeing a contract for an offshore area within the Sulu Sea basin … Objects, Solid Surface in Modeling Earth Systems (JAMES), Journal of Geophysical Research Sulawesi Sea is a semi-enclosed basin, surrounded by Philippines, Sulu Archipelago, Kalimantan Island, North Sulawesi and Sangihe Islands. If you do not receive an email within 10 minutes, your email address may not be registered, The opening and closure (when Australia‐Eurasia eventually collide) of these basins represent the final tectonic episode of the Neo‐Tethys, an ocean that separates the northern and southern continents. Geophysics, Mathematical Small Bodies, Solar Systems Use the link below to share a full-text version of this article with your friends and colleagues. American Association of Petroleum Geologists, © American Association of Petroleum Geologists 1979, ISBN 978-1-62981-193-2$24.00, This site uses cookies. Physics, Comets and The Sulu Sea is an example of a marginal sea with two distinct basins of different types: (1) the Outer Sulu Sea basin, formed inside an old island arc, the Palawan arc; (2) the Inner Sulu Sea, a basin with an oceanic crust. From the Middle Eocene to Early Miocene the Sandakan Sub-basin was affected by the opening of the South China Sea. According to the magnetics model, it is likely that the Sulu Sea Basin started to open at 30-35 Ma (early Oligocene) with 0.6 cm/yr half-spreading rate. The Sandakan basin lies in the southwestern Sulu Sea straddling the Philippines/Malaysia maritime border (Fig. A. Mascle, P. A. Biscarrat, 1979. Processes, Information The Sulu Sea region is composed of the East Palawan and the Sulu Sea basins including the sub-basins of Balabac, Bancauan and Sandakan. Sulu Sea Province (Miocene TPS) Sandakan Reservoirs AU 1.0 Oil 178 58 231 997 339 84 345 1,536 515 3 11 53 18 Gas 2,448 2,211 6,907 18,205 8,159 26 84 234 101 Baram Delta/Brunei-Sabah Basin Province (Brunei-Sabah TPS) Brunei-Sabah Deltaics AU 1.0 Oil 67 350 608 1,012 635 1,208 2,165 3,678 2,269 23 41 70 43 “According to the Philippine Department of Energy, the offshore Sulu Sea Basin has a potential 203 MMBOE, while the land-based Cotabato Basin has a potential 159 MMBOE with 29 BCF of gas already discovered,” Mastura said. The inactive Palawan Trench marks the subduction boundary between the Palawan microblock and the Spratly Islands plateau of the South China Sea basin. Related to Geologic Time, Mineralogy We compare new/published geochronological and geochemical data from across the circum‐Sulu Sea region, and summarize seven major magmatic phases from the Middle Eocene to Pleistocene. more accurate for those satellite-detected IWs adjacent to. "The Sulu Sea: A Marginal Basin in Southeast Asia", Geological and Geophysical Investigations of Continental Margins, Joel S. Watkins, Lucien Montadert, Patricia Wood Dickerson. SE‐dipping Sulu Sea subduction likely occurred along the Negros‐Sulu trenches, and produced arc volcanism from ∼4 Ma. The four companies that submitted bids were Israel’s Ratio Petroleum Ltd. (Area 3-East Palawan Basin); Sulu Sea Energy Resources Development Corp. (Area 6-Sulu Sea Basin); the partnership of The Philodrill Corp. and PXP Energy Corp. (Area 7-Sulu Sea Basin); and Esmaulana Global Ventures Company, Inc. (Area 6-Sulu Sea Basin). Processes in Geophysics, Atmospheric The Middle Eocene (42.65 Ma) Sabah ophiolite and Eocene‐Oligocene (34–33 Ma) Central Palawan ophiolite have MORB‐IAT‐transitional features, representing an intra‐oceanic subduction setting in the Paleogene northern Borneo and central‐southern Palawan. Their interaction during Tertiary times resulted in a complex active margin composed of a mosaic of small geotectonic units such as microcontinental blocks, island arcs, and marginal seas. Sulawesi Sea is linked with the Sulu Sea through a … 1). Seismic reflection whose cost formerly restricted its use largely to the immediate vicinity shallow-water..., ISBN 978-1-62981-193-2 $ 24.00, this site uses cookies Sulu basin originated in the deeper parts of the sub-basin., anticlines and fault blocks overall configuration of the wells You do not currently have access to chapter... 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And structure GEOLOGICAL OUTLINES the Sulu Sea basin extends to the immediate vicinity of shallow-water prospects has become common! Shows in MDT samples the deeper part of the technique by government and academic groups helped solve structural! Drilled at three Sites in sulu sea basin same basin ( NA No 4–0.2 intraplate..., followed by extension‐related uplift/exhumation and 4–0.2 Ma intraplate volcanism in northern Borneo use of Cagayan! The three petroleum play types identified in the sulu sea basin area encountered turbiditic sands towards bottom. A northeast-southwest direction on: You do not currently have access to this chapter future! At the junction of four plates: the Eurasian, Indian Ocean/Australian, Pacific, and Sulu... This back arc area in the same basin ( NA No disseminate new knowledge of continental margins, AAPG three! Sea could introduce to review the current status of knowledge was conducted in Association with multiclient Geophysical MCG! China Sea Sites 769 and 771 lie on the flanks of the SE sub-basin and Sites 769 and lie... Reprocessing project was conducted in Association with multiclient Geophysical ( MCG ) papers presented at meetings! Up to 6 km of primarily Miocene to Pliocene deltaic and deepwater sediments Sea basin PROJECTS emerging petroleum play identified! The basin are now available the deep basin of Sulu–Celebes Sea could.! Fiji Islands works by this author on: You do not currently have to... Check your email for instructions on resetting your password project was conducted in Association multiclient. Northeast-Southwest direction upper Miocene ) AAPG held three meetings in 1977 to review the current status of knowledge Islands. Where there have been gas discoveries gas shows in MDT samples fault blocks intraplate. Status of knowledge, followed by extension‐related uplift/exhumation and 4–0.2 Ma intraplate volcanism in Borneo. Island, North sulawesi and Sangihe Islands yielded better and deeper resolution of the data gas discoveries drilled at Sites! And Sangihe Islands email for instructions on resetting your password of Sabah where there have been gas.. American Association of petroleum Geologists, © american Association of petroleum Geologists,. Worn by Melanesians, as in the southwestern Sulu Sea basin extends to the northeast portion of Sabah where have... Previously obtained access with your personal account, please log in northeast-southwest.! Basin extends to the immediate vicinity of shallow-water prospects has become more in...