2020
DOI: 10.1111/1755-6724.14340
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Distribution Features of the Nanhua‐Sinian Rifts and their Significance to Hydrocarbon Accumulation in the Tarim Basin

Abstract: On the basis of reprocessing 34 new two‐dimensional spliced long sections (20,191 km) in the Tarim Basin, the deep structure features of the Tarim Basin were analyzed through interpreting 30,451 km of two‐dimensional seismic data and compiling basic maps. Seismic interpretation and geological analysis conclude that the Nanhua‐Sinian strata are a set of rift‐depression depositional systems according to their tectonic and depositional features. The rift valley formed in the Nanhua Period, and the transformation … Show more

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Cited by 6 publications
(3 citation statements)
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“…The sedimentary environment in the western basin was more restricted than that in the eastern basin (Fig. 8a), which is consistent with the tectonic-sedimentary setting in the Tarim Basin (Jia, 1997;Du, 2010;Wu et al, 2016Wu et al, , 2020Bai et al, 2020). This suggests that the restricted environment was favorable for enhancing organic matter production and/or preservation during the early Cambrian.…”
Section: Paleoenvironmentsupporting
confidence: 82%
“…The sedimentary environment in the western basin was more restricted than that in the eastern basin (Fig. 8a), which is consistent with the tectonic-sedimentary setting in the Tarim Basin (Jia, 1997;Du, 2010;Wu et al, 2016Wu et al, , 2020Bai et al, 2020). This suggests that the restricted environment was favorable for enhancing organic matter production and/or preservation during the early Cambrian.…”
Section: Paleoenvironmentsupporting
confidence: 82%
“…2a-b). During the Cryogenian and Ediacaran periods, along with the breakup of the Rodinia supercontinent and the evolution of the Paleo-Tethys Ocean, the Tarim Block underwent strong rifting and received deposition in the north and southwest (Bai et al, 2020;Ren et al, 2020). By the early Cambrian, the Tarim Block might have evolved into a passive continental margin and developed synsedimentary faults in the North Depression (Guan et al, 2019) (Fig.…”
Section: Tectonic and Paleogeographic Settingmentioning
confidence: 99%
“…Previous studies show that the Tarim Basin experienced several tectonic cycles and the regional tectonic stress changed several times (Jia and Wei, 2002;Liu and Wang, 2012). In the Early Sinian, most of the Tarim Basin was repeatedly uplifted with some small rift basin and aulacogen in the northeastern and western part of the Tarim Basin under the extension stress field (refer to Tian, et al, 2020 andBai et al, 2020 for the location of the rift). In the late Sinian, the Tarim Basin became a cratonic depression.…”
Section: Discussionmentioning
confidence: 99%