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Initiation and evolution of forearc basins in the Central Myanmar Depression
Cai, Fulong1,2; Ding, Lin1,2; Zhang, Qinghai1,2; Orme, Devon A.3; Wei, Honghong1; Li, Jinxiang1,2; Zhang, Ji'en4; Zaw, Than1; Sein, Kyaing5
2020-05-01
Source PublicationGEOLOGICAL SOCIETY OF AMERICA BULLETIN
ISSN0016-7606
Volume132Issue:5-6Pages:1066-1082
AbstractThe 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.
DOI10.1130/B35301.1
Funding OrganizationNational 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
WOS KeywordLARGER BENTHIC FORAMINIFERA ; INDO-BURMAN RANGES ; TECTONIC EVOLUTION ; ACCRETIONARY COMPLEX ; SEDIMENT PROVENANCE ; PONDAUNG FORMATION ; U-PB ; SUBDUCTION ; PALEOCENE ; MAGMATISM
Language英语
Funding ProjectNational 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]
Funding OrganizationNational 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
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000530917400013
PublisherGEOLOGICAL SOC AMER, INC
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/96741
Collection岩石圈演化国家重点实验室
Corresponding AuthorCai, Fulong
Affiliation1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Continental Collis & Plateau Uplift, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
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.Myanmar Geosci Soc, Yangon, Myanmar
Recommended Citation
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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