Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1130/B35158.1 |
Large-scale mass wasting on the Miocene continental margin of western India | |
Dailey, Sarah K.1; 39;Sullivan, Paul2 | |
2020 | |
发表期刊 | GEOLOGICAL SOCIETY OF AMERICA BULLETIN
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ISSN | 0016-7606 |
EISSN | 1943-2674 |
出版年 | 2020 |
卷号 | 132期号:1-2页码:85-112 |
文章类型 | Article |
语种 | 英语 |
国家 | USA; England; France; Australia; India; Italy; Germany; Japan; South Korea; Peoples R China; Brazil |
英文摘要 | A giant mass-transport complex was recently discovered in the eastern Arabian Sea, exceeding in volume all but one other known complex on passive margins worldwide. The complex, named the Nataraja Slide, was drilled by International Ocean Discovery Program (IODP) Expedition 355 in two locations where it is similar to 300 m (Site U1456) and similar to 200 m thick (Site U1457). The top of this mass-transport complex is defined by the presence of both reworked microfossil assemblages and deformation structures, such as folding and faulting. The deposit consists of two main phases of mass wasting, each consisting of smaller pulses, with generally fining-upward cycles, all emplaced just prior to 10.8 Ma based on biostratigraphy. The base of the deposit at each site is composed largely of matrix-supported carbonate breccia that is interpreted as the product of debris-flows. In the first phase, these breccias alternate with well-sorted calcar-enites deposited from a high-energy current, coherent limestone blocks that are derived directly from the Indian continental margin, and a few clastic mudstone beds. In the second phase, at the top of the deposit, muddy turbidites dominate and become increasingly more siliciclastic. At Site U1456, where both phases are seen, a 20-m section of hemipelagic mudstone is present, overlain by a similar to 40-m-thick section of calcarenite and slumped interbedded mud and siltstone. Bulk sediment geochemistry, heavy-mineral analysis, clay mineralogy, isotope geochemistry, and detrital zircon U-Pb ages constrain the provenance of the clastic, muddy material to being reworked, Indus-derived sediment, with input from western Indian rivers (e.g., Narmada and Tapti rivers), and some material from the Deccan Traps. The carbonate blocks found within the breccias are shallow-water limestones from the outer western Indian continental shelf, which was oversteepened from enhanced clastic sediment delivery during the mid-Miocene. The final emplacement of the material was likely related to seismicity as there are modern intraplate earthquakes close to the source of the slide. Although we hypothesize that this area is at low risk for future mass wasting events, it should be noted that other oversteepened continental margins around the world could be at risk for mass failure as large as the Nataraja Slide. |
领域 | 地球科学 |
收录类别 | SCI-E |
WOS记录号 | WOS:000505809800006 |
WOS关键词 | MID-NORWEGIAN MARGIN ; ISOTOPIC CONSTRAINTS ; DETRITAL GEOCHRONOLOGY ; CARBONATE PLATFORM ; TURBIDITY CURRENTS ; LADAKH BATHOLITH ; SUBMARINE SLIDE ; SEDIMENT SLIDES ; COUNTY CLARE ; DEBRIS FLOW |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/279423 |
专题 | 地球科学 |
作者单位 | 1.Louisiana State Univ, Dept Geol & Geophys, E253 Howe Russell Kniffen Geosci Complex, Baton Rouge, LA 70803 USA; 2.Texas A&M Univ, Int Ocean Discovery Program, 1000 Discovery Dr, College Stn, TX 77845 USA; 3.Woods Hole Oceanog Inst, Dept Geol & Geophys, Woods Hole, MA 02543 USA; 4.UCL, Dept Earth Sci, Gower St, London WC1E 6BT, England; 5.Univ Toulouse 3 Paul Sabatier, Geosci Environm Toulouse, 14 Ave Edouard Belin, F-31400 Toulouse, France; 6.GeoSep Serv, 1521 Pine Cone Rd, Moscow, ID 83843 USA; 7.Univ Queensland, Sch Earth & Environm Sci, St Lucia, Qld 4072, Australia; 8.Natl Ctr Polar & Ocean Res, Vasco Da Gama 403804, Goa, India; 9.Univ Milano Bicocca, Dept Earth & Environm Sci, Piazza Sci 4, I-20126 Milan, Italy; 10.Purdue Univ, Dept Earth Atmospher & Planetary Sci, 550 Stadium Mall Dr, W Lafayette, IN 47907 USA; 11.Univ Birmingham, Sch Geog Earth & Environm Sci, Birmingham B15 2TT, W Midlands, England; 12.Macquarie Univ, Fac Sci & Engn, Dept Earth & Planetary Sci, N Ryde, NSW 2109, Australia; 13.Ohio State Univ, Sch Earth Sci, 275 Mendenhall Lab,125 South Oval Mall, Columbus, OH 43210 USA; 14.Birbal Sahni Inst Palaeosci, 53 Univ Rd, Lucknow 226007, Uttar Pradesh, India; 15.Univ Bremen, MARUM, Leobener Str, D-28359 Bremen, Germany; 16.Kochi Univ, Dept Nat Environm Sci, 2-5-1 Akebono Cho, Kochi 7808520, Japan; 17.Pusan Natl Univ, Div Earth Environm Syst, Busan 60973, South Korea; 18.Wadia Inst Himalayan Geol, 33 GMS Rd, Dehra Dun 248001, Uttrakhand, India; 19.Natl Inst Ocean Technol, Marine Biotechnol Dept, Velacheiy Tambaram Main Rd, Chennai 600100, Tamil Nadu, India; 20.Columbia Univ, Ctr Climate Syst Res, 2880 Broadway, New York, NY 10025 USA; 21.Nanjing Univ, Sch Geog & Oceanog Sci, 163 Xianlin Ave, Nanjing 210023, Jiangsu, Peoples R China; 22.Oregon State Univ, Coll Earth Ocean & Atmospher Sci, 104 CEOAS Adm Bldg, Corvallis, OR 97331 USA; 23.Natl Ctr Earth Sci Studies, Geosci Div, Aakkulam Trivandrum 695031, India; 24.Natl Inst Oceanog, Geol Oceanog Div, Panaji 403004, Goa, India; 25.Oil & Nat Gas Commiss, 11 High,Bandra Sion Link Rd, Mumbai 400017, Maharashtra, India; 26.Univ Estadual Paulista, Inst Geociencias & Ciencias Exatas, 1515 Ave 24-A, BR-13506900 Rio Claro, SP, Brazil; 27.Kumaun Univ, Dept Geol, Naini Tal 263002, India; 28.Banaras Hindu Univ, Dept Geol, Varanasi 221005, Uttar Pradesh, India; 29.Xiamen Univ, Dept Geol Oceanog, Xiamen 361102, Fujian, Peoples R China; 30.Xiamen Univ, State Key Lab Marine Environm Sci, Xiamen 361102, Fujian, Peoples R China; 31.Hokkaido Univ, Grad Sch Environm Sci, Kita Ku, N10W5, Sapporo, Hokkaido 0600810, Japan; 32.Scripps Inst Oceanog, 9500 Gilman Dr, La Jolla, CA 92093 USA; 33.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, 7 Nanhai Rd, Qingdao 266071, Shandong, Peoples R China |
推荐引用方式 GB/T 7714 | Dailey, Sarah K.,39;Sullivan, Paul. Large-scale mass wasting on the Miocene continental margin of western India[J]. GEOLOGICAL SOCIETY OF AMERICA BULLETIN,2020,132(1-2):85-112. |
APA | Dailey, Sarah K.,&39;Sullivan, Paul.(2020).Large-scale mass wasting on the Miocene continental margin of western India.GEOLOGICAL SOCIETY OF AMERICA BULLETIN,132(1-2),85-112. |
MLA | Dailey, Sarah K.,et al."Large-scale mass wasting on the Miocene continental margin of western India".GEOLOGICAL SOCIETY OF AMERICA BULLETIN 132.1-2(2020):85-112. |
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