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Initiation and evolution of forearc basins in the Central Myanmar Depression

文献类型：期刊论文

作者Cai, Fulong1,5; Ding, Lin1,5; Zhang, Qinghai1,5; Orme, Devon A.3; Wei, Honghong1; Li, Jinxiang1,5; Zhang, Ji'en4; Zaw, Than1; Sein, Kyaing2
刊名GEOLOGICAL SOCIETY OF AMERICA BULLETIN
出版日期2020-05-01
卷号132期号:5-6页码:1066-1082
ISSN号0016-7606
DOI10.1130/B35301.1
英文摘要The forearc basin in Myanmar is significant in understanding the development of continental forearc basins. We present stratigraphic, sandstone petrographic, and U-Pb detrital data from Upper Cretaceous-Eocene strata of Chindwin and Minbu sub-basins in the Central Myanmar Depression. The Upper Cretaceous lower Kabaw Formation consists of turbiditic conglomerate, sandstone, and mudstone in the Minbu sub-basin. The composition of conglomerates are mainly schist and subordinate quartz. Prominent detrital zircon age probability peaks are between 260 and 223 Ma, similar with that of Upper Triassic Pane Chaung turbidites and Kanpetlet schist on the West Burma plate. In the upper Kabaw Formation, turbiditic volcanic-rich sandstones have major age populations ranging from 103 to 70 Ma in both Minbu and Chindwin sub-basins. The Paleocene slope environment Paunggyi Formation, which overlies the Kabaw Formation, mainly consists of conglomerate, sandstone, mudstone, and tuff beds in the Minbu sub-basin. In contrast, the Paunggyi Formation in the Chindwin sub-basin is composed of sandstone and mudstone; major detrital zircon age populations from the Paunggyi Formation are between 100 and 60 Ma. Eocene strata in both basins are composed mainly of shallow marine to delta sandstone and mudstone. Major detrital zircon age populations are 100-36 Ma and 600-500 Ma. The Late Cretaceous-Eocene ages from Upper Cretaceous-Eocene strata overlap with igneous crystallization ages from the Western Myanmar Arc. We propose that the Chindwin and Minbu sub-basins developed as parts of a forearc basin along the west flank of Western Myanmar Arc (present coordinate). The forearc basin initiated in Albian time atop the continental West Burma plate due to the formation of a structural high along the western margin of West Burma plate.
WOS关键词LARGER BENTHIC FORAMINIFERA ; INDO-BURMAN RANGES ; TECTONIC EVOLUTION ; ACCRETIONARY COMPLEX ; SEDIMENT PROVENANCE ; PONDAUNG FORMATION ; U-PB ; SUBDUCTION ; PALEOCENE ; MAGMATISM
资助项目National Natural Science Foundation of China[41490615] ; National Natural Science Foundation of China[41472206] ; Strategic Priority-Research Program (B) of the Chinese Academy of Sciences[XDB03010402]
WOS研究方向Geology
语种英语
出版者GEOLOGICAL SOC AMER, INC
WOS记录号WOS:000530917400013
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority-Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority-Research Program (B) of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority-Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority-Research Program (B) of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority-Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority-Research Program (B) of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority-Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority-Research Program (B) of the Chinese Academy of Sciences
源URL[http://ir.iggcas.ac.cn/handle/132A11/96741]  
专题地质与地球物理研究所_岩石圈演化国家重点实验室
通讯作者Cai, Fulong
作者单位1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Continental Collis & Plateau Uplift, Beijing 100101, Peoples R China
2.Myanmar Geosci Soc, Yangon, Myanmar
3.Montana State Univ, Dept Earth Sci, Bozeman, MT 59717 USA
4.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
5.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
推荐引用方式
GB/T 7714		 Cai, Fulong,Ding, Lin,Zhang, Qinghai,et al. Initiation and evolution of forearc basins in the Central Myanmar Depression[J]. GEOLOGICAL SOCIETY OF AMERICA BULLETIN,2020,132(5-6):1066-1082.
APA Cai, Fulong.,Ding, Lin.,Zhang, Qinghai.,Orme, Devon A..,Wei, Honghong.,...&Sein, Kyaing.(2020).Initiation and evolution of forearc basins in the Central Myanmar Depression.GEOLOGICAL SOCIETY OF AMERICA BULLETIN,132(5-6),1066-1082.
MLA Cai, Fulong,et al."Initiation and evolution of forearc basins in the Central Myanmar Depression".GEOLOGICAL SOCIETY OF AMERICA BULLETIN 132.5-6(2020):1066-1082.

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来源：地质与地球物理研究所

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