Sandstone provenance and U–Pb ages of detrital zircons from Permian–Triassic forearc sediments within the Sukhothai Arc, northern Thailand: Record of volcanic-arc evolution in response to Paleo-Tethys subduction

Hara, Hidetoshi; Kunii, Miyuki; Miyake, Yoshihiro; Hisada, Ken‐ichiro; Kamata, Yoshihito; Ueno, Katsumi; Kon, Yoshiaki; Kurihara, Toshiyuki; Ueda, Hayato; Assavapatchara, San; Treerotchananon, Anuwat; Charoentitirat, Thasinee; Charusiri, Punya

doi:10.1016/j.jseaes.2017.04.021

Cited by 33 publications

(35 citation statements)

References 74 publications

(25 reference statements)

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“…Thus, the basin is best interpreted as back-arc basin. Our interpretation is similar to those of Sone and Metcalfe [1] , Metcalfe [8] , Ueno and Hisada [19] , Ricou [40] , Wang et al [41] , and Hara et al [18] . We are interpreting the Nam Pat Basin as a short-lived back-arc basin.…”

Section: Discussionsupporting

confidence: 92%

“…The basin opened and the Nan-Uttaradit Ocean existed in the Late Carboniferous [17] as a consequence of the Sukhothai Zone development [18] . During the back-arc extensional phase, volcanic lithic fragments were shed into the Nam Pat Basin and accumulated as proximal Huai Lat Formation and distal Huai Bo Khong Formation ( Fig.…”

Section: Discussionmentioning

confidence: 99%

“…A recent study on U-Pb ages of detrital zircons from Permian-Triassic sediments in the Sukhothai Zone and ophiolite association in the Nan-Uttaradit Suture showed that the Nan-Uttaradit Ocean existed in the Late Carboniferous [17] . Hara et al [18] concluded that the Nan Basin was a consequence of the Sukhothai continental island arc development and already in a deep-sea environment by the Late-Middle Permian because of the presence of radiolarian cherts [10] in the Nan-Uttaradit Suture Zone.…”

Section: Introductionmentioning

confidence: 99%

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Basin classification and tectonic framework of the Nam Pat Group, Uttaradit Province, Thailand: Implications for the Nan Suture Zone

Moonpa

Motanated

2018

Heliyon

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The Nam Pat Group of the Nam Pat Basin, Uttaradit Province, Thailand is situated in the Nan Suture Zone. Two contrasting tectonic framework models of the Nan Suture have previously been proposed: as a main Paleo-Tethyan suture and as a remnant of a closed back-arc basin. The goal of this study is to analyze the tectonic framework of the Nan Suture and reevaluate the existing tectonic models. This research infers the tectonic setting of the basin based on basin-filled lithofacies distributions, provenance, and paleocurrents. Three facies groups are identified. Facies A, B, and C are polymictic conglomerate, interbedded sandstone and mudstone, and mudstone with thin-bedded sandstone, respectively. Generally, the strata strike NE-SW, steeply dip NW, and fine toward the SE. Petrographic results of sandstone samples show that the majority of lithic fragments are volcanic rocks with lesser amount of metamorphic rocks and sedimentary rocks. The modal compositions of sandstones are analyzed on QFL, QmFLt, QmPK, LmLvLs, and QpLvmLsm ternary diagrams. The plots indicate that the sandstones of the Nam Pat Group have high proportions of volcanic-arc detritus. Paleocurrents, determined from the orientation of clast imbrications and cross-stratification, are toward the SE. The results suggest that large quantities of sediment traveled southeastward from a nearby volcanic arc into the basin. The Nam Pat Group stratigraphically overlies the Pak Pat Volcanics. The chemical features of the Pak Pat Volcanics, located to the west of the basin, show that they are andesitic volcanic rocks formed as a magmatic arc. Thus, the nearby Pak Pat Volcanics are the main sediment source of the Nam Pat Group, and the basin is best interpreted as back-arc basin rather than as a forearc basin.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Basin classification and tectonic framework of the Nam Pat Group, Uttaradit Province, Thailand: Implications for the Nan Suture Zone

Moonpa

Motanated

2018

Heliyon

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“…In addition, no Triassic granites are recognized within the CMSZ to date. More importantly, a recent study on the detrital zircons of Late Paleozoic sediments demonstrates that the Carboniferous age distribution pattern in the Inthanon zone is quite similar to the Devonian-Carboniferous one in the LCB (Figure 7b; Hara et al, 2017). However, the equivalent one in the Sukhothai zone has a different age spectrum from the latter (Figure 7j).…”

Section: Southward Continuation Of the Lcbmentioning

confidence: 69%

Tectonic Evolution and Paleoposition of the Baoshan and Lincang Blocks of West Yunnan During the Paleozoic

Liu

Peng

et al. 2020

Tectonics

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Detrital zircon U-Pb dating and Hf isotope analysis have been evidenced to be effective for reconstructing paleography and tectonic evolution of different continental blocks/terranes. Our new detrital zircon U-Pb and Hf isotopic results combined with literature data for the Paleozoic (meta) sedimentary rocks in the Baoshan and Lincang Blocks provide crucial constraints on the paleogeographic position and tectonic affinity of these blocks during Paleozoic times. The Lincang and Baoshan Blocks were linked with each other during Early Paleozoic times, located on the northern margins of Australia and India in Gondwana, respectively. But a rift-related ocean basin could likely have existed between these two blocks although they were still attached to East Gondwana during Middle Devonian-Early Permian times. In contrast, the Simao-Indochina Block had rifted from East Gondwana at least before the Late Ordovician as reflected by their young age cluster at~450 Ma that is distinct from the characteristic Pan-African event (600-520 Ma) in Gondwana. Therefore, the Lincang Block did not represent a continental arc of the Simao Block before the Early Permian, but rather it rifted from the northern margin of Australia Gondwana in the Early Permian and subsequently as an independent block drifted northward to the west side of the Simao Block. Taken together, we propose that the Changning-Menglian Tethys Ocean was a long-lived ocean developing successively at least from the Late Ordovician to the Permian and that the southern continuation of the Lincang Block is the Inthanon zone rather than the Sukhothai zone.

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“…Due to its highly refractory at the Earth's surface, zircon occurs in virtually all sedimentary deposits and so provides a key link in understanding the source history of a deposit (Fedo, Sircombe, & Rainbird, ). Zircon geochronology from sedimentary deposits enables the maximum depositional age to be determined based on the youngest grain or peak age and enables connecting age populations to potential source rocks and reconstructing the tectonic evolution (e.g., Cawood, Hawkesworth, & Dhuime, ; Dickinson & Gehrels, ; Fedo et al, ; Hara et al, ). Thus, detrital zircon geochronology is a very powerful tool for constraining the maximum depositional age, provenance, and even source history of clastic strata.…”

Section: Introductionmentioning

confidence: 99%

Detrital zircon U–Pb geochronology of early Cretaceous sedimentary rocks in Dingzi Bay and Taolin area from the Sulu Orogen: Provenances and tectonic implications

Liu

Zhou

Zhang³

et al. 2018

Geological Journal

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Early Cretaceous sedimentary rocks in the Sulu Orogen (SO) have been a popular topic in recent years. The provenances of sedimentary rocks can help elucidate the tectonic history of the SO, China. The Dingzi Bay and Taolin areas in the SO have always been poorly known. Thus, we date detrital zircons from four sedimentary rock samples including sandstone, siltstone, and greywacke collected in both areas. Age distributions from Dingzi Bay exhibit three major age populations including Palaeoproterozoic (1900–1800 Ma), Neoproterozoic (800–700 Ma), and Early Cretaceous (136–106 Ma) ages and small age populations including early Mesozoic, Palaeozoic, and Palaeoproterozoic–Archean ages, while age distributions in the Taolin area show the largest age population of Early Cretaceous (132–102 Ma) with minor early Mesozoic, Palaeozoic, and Neoproterozoic populations. The youngest detrital zircon populations yield weighted mean ages of ca. 116 Ma in Dingzi Bay and ca. 120 Ma in the Taolin area as the maximum depositional ages, which correspond to the Early Cretaceous Lower Qingshan Group. Age distributions in both areas indicate that the local SO served as the primary source area, whereas the Yangtze Block might have been a lesser source of detrital zircons. The comparison of geochronological, geochemical, and sedimentary data among Dingzi Bay, Taolin, Laoshan, and Lingshan Island suggests an Early Cretaceous marine basin formed over the SO. Further, considering previous regional tectonic history, we propose a two‐stage (Laiyang and Qingshan stages) evolutionary model for this marine basin. We suggest that transpression between the Laiyang and Qingshan stages due to subduction of the Pacific Plate might have caused rapid uplift of the south‐eastern SO and closing of the marine basin. Correspondingly, this process influenced the input of the source material from the Yangtze Block to the marine basin during the Qingshan stage.

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Sandstone provenance and U–Pb ages of detrital zircons from Permian–Triassic forearc sediments within the Sukhothai Arc, northern Thailand: Record of volcanic-arc evolution in response to Paleo-Tethys subduction

Cited by 33 publications

References 74 publications

Basin classification and tectonic framework of the Nam Pat Group, Uttaradit Province, Thailand: Implications for the Nan Suture Zone

Basin classification and tectonic framework of the Nam Pat Group, Uttaradit Province, Thailand: Implications for the Nan Suture Zone

Tectonic Evolution and Paleoposition of the Baoshan and Lincang Blocks of West Yunnan During the Paleozoic

Detrital zircon U–Pb geochronology of early Cretaceous sedimentary rocks in Dingzi Bay and Taolin area from the Sulu Orogen: Provenances and tectonic implications

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