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DOI | 10.1306/12171817367 |
Architecture, geomorphology, and sediment gravity flows of a Jurassic subaqueous clinoform system, northeast Exmouth Plateau, North West Shelf, Australia | |
Chen, Peng; Elders, Chris | |
2019-07-15 | |
发表期刊 | AAPG BULLETIN
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ISSN | 0149-1423 |
EISSN | 1558-9153 |
出版年 | 2019 |
卷号 | 103期号:7页码:1575-1603 |
文章类型 | Article |
语种 | 英语 |
国家 | Australia |
英文摘要 | A subaqueous clinoform system has been identified from high-quality three-dimensional seismic data from the northeast Exmouth Plateau, North West Shelf, Australia, and was interpreted as a shelf-slope-basin clinoformal component of a Jurassic fluviodeltaic system (the Legendre delta). Several geomorphological features associated with shelf-slope development and subsequent rift tectonics were identified, including (1) submarine channels at slope to basin floor; (2) gullies on the slope; (3) slumps on the shelf; and (4) canyons, canyon-derived gravity flow deposits, and a fan lobe developed in subsequent rift processes. The results of this study provide insights into the controlling factors on the sinuosity, degree of erosion, and sediment gravity flows of channels developed at slope to basin-floor settings, which shed light on the way fluvial sands were transported across the shelf and slope to the basin floor. The geometries and distributions of gravity flow deposits, if confirmed by drilling, may serve as an analog for reservoir prediction in the deep-water fluviodeltaic settings. The gullies on the slope were interpreted as a result of dilute, sheetlike flows. The slumps on the shelf were interpreted as a result of nonslope-related causes. The syntectonic canyons, the canyon-derived gravity flow deposits, and the fan lobe present vivid examples of the erosion and sedimentation processes during active rift tectonics and have significant implications for understanding the rift processes of the North West Shelf, Australia, as well as other rift-related basins. |
领域 | 地球科学 |
收录类别 | SCI-E |
WOS记录号 | WOS:000475472700003 |
WOS关键词 | TURBIDITY CURRENTS ; SEISMIC GEOMORPHOLOGY ; SANDSTONE INTRUSIONS ; TRIGGERED TURBIDITES ; OFFSHORE ANGOLA ; MASS-TRANSPORT ; PASSIVE MARGIN ; DENSITY FLOWS ; BOOK CLIFFS ; BASIN |
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/184959 |
专题 | 地球科学 |
作者单位 | Curtin Univ, Sch Earth & Planetary Sci, Perth, WA, Australia |
推荐引用方式 GB/T 7714 | Chen, Peng,Elders, Chris. Architecture, geomorphology, and sediment gravity flows of a Jurassic subaqueous clinoform system, northeast Exmouth Plateau, North West Shelf, Australia[J]. AAPG BULLETIN,2019,103(7):1575-1603. |
APA | Chen, Peng,&Elders, Chris.(2019).Architecture, geomorphology, and sediment gravity flows of a Jurassic subaqueous clinoform system, northeast Exmouth Plateau, North West Shelf, Australia.AAPG BULLETIN,103(7),1575-1603. |
MLA | Chen, Peng,et al."Architecture, geomorphology, and sediment gravity flows of a Jurassic subaqueous clinoform system, northeast Exmouth Plateau, North West Shelf, Australia".AAPG BULLETIN 103.7(2019):1575-1603. |
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