Characteristics and the controlling factors of sedimentation in deep-sea slopes: an example of the Roebuck Basin, Australia
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摘要:
深水斜坡沉积规律对深水油气勘探开发以及深水地质灾害防护具有重要的研究意义。为揭示澳大利亚柔布克盆地新近纪深水斜坡沉积特征与控制因素，利用高分辨率二维地震资料，划分了斜坡沉积地层层序，在地震剖面上识别出7个三级层序界面和6个地震层序。研究结果表明：研究区新近纪主要形成了进积型、加积-进积混合型和退积型沉积层序；柔布克盆地深水区发育前积型碳酸盐岩、硅质碎屑三角洲和滑塌3种斜坡沉积；研究区深水斜坡沉积受多种因素共同控制，中渐新世—晚中新世，斜坡沉积主要受相对海平面升降、古气候变化和物源供给的控制，而晚中新世之后，向北漂移的澳大利亚板块与班达岛弧发生碰撞，深水斜坡沉积主要受构造活动的控制。
Abstract:Understanding deep-water slope depositiona is of great significance for deep-water oil and gas exploration and development as well as deep-water geohazard protection. To reveal the characteristics and controlling factors of the Neogene deep-water slope deposition in the Roebuck Basin, Australia, the stratigraphic sequences of slope deposition were delineated by using high-resolution 2D seismic data, and seven third-level sequence interfaces and six seismic sequences were recognized on seismic section. Results show that the Neogene in the study area are mainly the sedimentary sequences of progradational, aggradational-progradational, and retrogradational sedimentary sequences. The deep-water area of the Roebuck Basin developed three types of slope deposits: progradational carbonate rock deposits, siliceous debris deltaic deposits, and olistostrome deposits. The deep-water slope deposits were controlled by various factors. In the Middle Oligocene and the Late Miocene, the slope deposits were controlled by the relative sea level fluctuation, paleoclimate, and material supply, while after the Late Miocene, with the collision of the northward drifting Australian plate against the Banda Island Arc, the deep-water slope deposition was mainly controlled by tectonic activities.
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表 1 二维地震数据采集具体参数
Table 1. Specific parameters of 2D seismic data acquisition
采样间隔/ms 道间距/m 拖缆沉放深度/m 拖缆长度/km 最大记录时长/s 总长/km 2 12.5 6 6 7 13 142.7 
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[1] 蒋德鑫,张厚和,李春荣,等. 全球深水-超深水油气勘探历程与发展趋势[J]. 海洋地质前沿,2022,38(10):1-12.
[2] 温志新,王建君,王兆明,等. 世界深水油气勘探形势分析与思考[J]. 石油勘探与开发,2023,50(5):924-936.
[3] 张功成,屈红军,赵冲,等. 全球深水油气勘探40年大发现及未来勘探前景[J]. 天然气地球科学,2017,28(10):1447-1477.
[4] 王思琦,林畅松,邢玉忠,等. 南海珠江口盆地晚渐新世陆架边缘斜坡带沉积演化及控制因素[J]. 地质论评,2023,69(S1):15-16.
[5] KARATSOLIS B,VLEESCHOUWER D D,GROENEVELD J,et al. The Late Miocene to Early Pliocene “Humid Interval” on the NW Australian Shelf:disentangling climate forcing from regional basin evolution[J]. Paleoceanography and Paleoclimatology,2020,35:1-39.
[6] TAGLIARO G,FULTHORPE C,GALLAGHER S,et al. Neogene siliciclastic deposition and climate variability on a carbonate margin:Australian Northwest Shelf[J]. Marine Geology,2018,403:285-300.
[7] 马本俊,秦志亮,吴时国,等. 深水斜坡类型与沉积过程及其产物研究进展[J]. 沉积学报,2018,36(6):1075-1090.
[8] 常吟善,杨香华,李丹,等. 澳大利亚西北陆架三叠纪三角洲时空演化与物源体系[J]. 海洋地质与第四纪地质,2015,35(1):37-50.
[9] 沈骋,谭秀成,李凌,等. 川北早寒武世碳酸盐岩台缘斜坡沉积特征及变形构造形成机制探讨[J]. 古地理学报,2015,17(3):321-334.
[10] 惠潇,侯云超,喻建,等. 大型陆相坳陷湖盆深湖区前积型地震地层特征及砂体分布规律:以鄂尔多斯盆地陇东地区延长组中段为例[J]. 沉积学报,2022,40(3):787-800.
[11] RAMON D C,RUDOLPH K W,EMMET P A,et al. Quantitative analysis of siliciclastic clinoforms:an example from the North Slope,Alaska[J]. Marine and Petroleum Geology,2018,93:127-134.
[12] LEATHER D T,BAHADORI A,NWAOHA C,et al. A review of Australia's natural gas resources and their exploitation[J]. Journal of Natural Gas Science and Engineering,2013,10:68-88.
[13] 康洪全,逄林安,贾怀存,等. 澳大利亚西北陆架北卡那封盆地资源潜力评价[J]. 石油实验地质,2018,40(6):808-817.
[14] 冯杨伟,屈红军,杨晨艺. 澳大利亚西北陆架油气成藏主控因素与勘探方向[J]. 中南大学学报(自然科学版),2012,43(6):2259-2268.
[15] 刘泽璇. 澳大利亚西北缘Roebuck盆地构造与沉积演化研究[D]. 大庆:东北石油大学,2021.
[16] 刘聪. 澳大利亚北卡那封盆地层序地层特征及对海平面变化的响应[D]. 北京:中国地质大学(北京),2011.
[17] 温志新,王兆明,胡湘瑜,等. 澳大利亚西北大陆架被动大陆边缘盆地群大气田分布与主控因素[J]. 海洋地质前沿,2011,27(12):41-47.
[18] GURNIS M,KOMINZ M,GALLAGHER S J. Reversible subsidence on the North West Shelf of Australia[J]. Earth and Planetary Science Letters,2020,534:1-30.
[19] 牛杏,杨香华,李丹,等. North Carnarvon盆地三叠系沉积格局转换与烃源岩发育特征[J]. 沉积学报,2014,32(6):1188-1200.
[20] 石浩程. 澳大利亚Roebuck盆地石油地质特征及勘探开发潜力[D]. 乌鲁木齐:新疆大学,2020.
[21] 栾锡武. 东南亚构造分区[J]. 地球科学进展,2022,37(3):221-252. doi: 10.11867/j.issn.1001-8166.2022.023
[22] 魏新元,栾锡武,孟凡顺,等. 帝汶海槽构造与地震特征对深部板块的约束[J]. 地球科学进展,2022,37(3):277-289.
[23] MOLYNEUX S,GOODALL J,MCGEE R,et al. Observations on the Lower Triassic petroleum prospectivity of the offshore Carnarvon and Roebuck basins[J]. The APPEA Journal,2016,56:173-202.
[24] 姜雄鹰,傅志飞. 澳大利亚布劳斯盆地构造地质特征及勘探潜力[J]. 石油天然气学报,2010,32(2):54-57.
[25] 李培培,杨松岭,刘志国,等. 澳大利亚海上坎宁盆地油气地质特征及勘探潜力[J]. 海洋地质前沿,2018,34(2):46-52.
[26] SMITH S A,TINGATE P R,GRIFFTHS C M,et al. The structural development and petroleum potential of the Roebuck Basin[J]. The APPEA Journal,1999,39(1):364-385.
[27] GOKTAS P,AUSTIN J A,Fulthorpe C S,et al. Morphologies and depositional/erosional controls on evolution of Pliocene-Pleistocene carbonate platforms:Northern Carnarvon Basin,Northwest Shelf of Australia[J]. Continental Shelf Research,2016,124:63-82.
[28] TESCH P,REECE R S,POPE M C,et al. Quantification of architectural variability and controls in an Upper Oligocene to Lower Miocene carbonate ramp,Browse Basin,Australia[J]. Marine and Petroleum Geology,2018,91:432-454.
[29] SANCHEZ C M,FULTHORPE C S,STEEL R J. Miocene shelf-edge deltas and their impact on deep-water slope progradation and morphology, northwest shelf of Australia[J]. Basin Research,2012,24:683-698.
[30] PATRUNO S,HELLAND-HANSEN W. Clinoforms and clinoform systems:review and dynamic classification scheme for shorelines,subaqueous deltas,shelf edges and continental margins[J]. Earth-Science Reviews,2018,185:202-233.
[31] WALLACE M W,CONDILIS E,POWELL A,et al. Geological controls on sonic velocity in the Cenozoic carbonates of the northern Carnarvon Basin,North West Shelf,Western Australia[J]. The APPEA Journal,2003,43(1):385-399.
[32] MOSS G D,CATHRO D L,AUSTIN J A. Sequence biostratigraphy of prograding clinoforms, northern Carnarvon Basin,western Australia:a proxy for variations in Oligocene to Pliocene global sea level?[J]. Palaios,2004,19(3):206-226.
[33] 吴时国,秦志亮,王大伟,等. 南海北部陆坡块体搬运沉积体系的地震响应与成因机制[J]. 地球物理学报,2011,54(12):3184-3195.
[34] SAQAB M M,BOURGET J,TROTTER J,et al. New constraints on the timing of flexural deformation along the northern Australian margin:implications for arc-continent collision and the development of the Timor Trough[J]. Tectonophysics,2017,696:14-36.
[35] HAQ B U,HARDENBOL J A N,VAIL P R. Chronology of fluctuating sea levels since the Triassic[J]. Science,1987,235:1156-1167.
[36] PRÉLAT A,PANKHANIA S S,JACKSON C A,et al. Slope gradient and lithology as controls on the initiation of submarine slope gullies: insights from the North Carnarvon Basin,Offshore NW Australia[J]. Sedimentary Geology,2015,329:12-17.
[37] 邵珠福,张文鑫,毛毳,等. 砂岩侵入体及其油气地质意义[J]. 石油学报,2021,42(3):378-398.
[38] BETZLER C,EBERLI G P,LÜDMANN T,et al. Refinement of Miocene sea level and monsoon events from the sedimentary archive of the Maldives (Indian Ocean)[J]. Progress in Earth and Planetary Science,2018,5(1):1-18.
[39] GALLAGHER J S,WALLACE W M,LI L C,et al. Neogene history of the West Pacific Warm Pool,Kuroshio and Leeuwin currents[J]. Paleoceanography,2009,24(1):1-27.
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