Geochemical characterization of the middle and late Pleistocene alluvial fan-dominated infill of the northern part of the Weihe Basin, Central China

Rits, Daniël S.; Beets, C.; Prins, Maarten A.; Balen, R.T. van; Troelstra, S.R.; Luo, Chao; Wang, Bin; Li, Xiaoqiang; Zhou, Jie; Zheng, Hongbo

doi:10.1016/j.palaeo.2017.05.030

Cited by 8 publications

(5 citation statements)

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“…3a), probably suggesting that the CLP has been the most important source. Previous research has argued that the Luo River, drained by the CLP, has an important influence over the sedimentary evolution of the northern Weihe Basin (Rits et al 2017b). Our results confirm the importance of this river since the core sediments also show a similar zircon age pattern to that measured in the Luo River sediments.…”

Section: A Provenance Discriminationsupporting

confidence: 85%

“…samples LYH-6 and LYH-4) show some influence from the Qinling Mountains and the Wei River. Marked changes in the overall structure are unlikely, because geological crosssections across the Weihe Basin show that older sediments from the Pliocene and Miocene also tilt toward the south (Rits et al 2017b). As a result, our conclusion that the core sediments have been influenced by flux from the Qinling Mountains and the Wei River implies a major change in environmental conditions.…”

Section: A Provenance Discriminationmentioning

confidence: 79%

“…The Luo and Jing Rivers, the two largest tributaries of the Wei River, both drain the CLP. Although the Luo River now lies c. 25 km east of the core site, it has reached the core site on multiple past occasions (Rits et al 2017b). There is a highland on the east side of the Jing River.…”

Section: Geological Settingsmentioning

confidence: 99%

“…Such an environment is highly sensitive to evolution in the structural setting and strength of the East Asian Monsoon (Guo et al 1998;Clift et al 2010;Sun & Wang, 2005). The thick sedimentary section (up to 7000 m in the southeast) has the potential to record past tectonic activity and to provide valuable constraints on monsoonal climate change (Rits et al 2017b).…”

Section: Introductionmentioning

confidence: 99%

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Provenance evolution of the northern Weihe Basin as an indicator of environmental changes during the Quaternary

Wang

et al. 2019

Geol. Mag.

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The Weihe Basin is an intracontinental rift basin in central China that provides an ideal location for studying the interactions between regional tectonics and monsoonal climate change. In this paper, we present detrital zircon U–Pb ages from sediments from Core LYH drilled in the northern margin of the basin. We use these to illuminate changing sediment transport processes, provenance and palaeo-environments during the Quaternary. The sediments are dominated by zircon age groups of 100–400 Ma and 400–550 Ma, and three secondary age peaks at 700–1100 Ma, 1700–2100 Ma and 2400–2600 Ma. Multidimensional scaling plots support the conclusion that the Central Loess Plateau and the Luo River are the dominant sources of sediments to the core site. Before c. 1.06 Ma, the Qinling Mountains and the Wei River, as well as the Yellow River, had minor influence on the sedimentation at the core site. These results are consistent with the existence of a palaeolake prior to 1.06 Ma, which allowed sediments supplied to the south and east edge of the basin to be reworked to the northern side of the Weihe Basin. Subsequently, the Luo River has provided a steady source of sediments to the northern Weihe Basin.

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Section: A Provenance Discriminationsupporting

confidence: 85%

Section: A Provenance Discriminationmentioning

confidence: 79%

Section: Geological Settingsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Provenance evolution of the northern Weihe Basin as an indicator of environmental changes during the Quaternary

Wang

et al. 2019

Geol. Mag.

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“…Similarly to the surface ecosystems, subsurface ecosystems also involve complex interactions between life and the environment. While the limits of life at depths in the marine sediment record are constantly being revised (Schippers et al, 2005;Flemming and Wuertz, 2019), similar studies from continental settings have been limited to date. Thick sedimentary strata of the Weihe Basin are an ideal complement that will help to characterize the limits of life as well as its metabolic pathways and products at depth in a continental setting, a goal that has so far not been targeted.…”

Section: Introductionmentioning

confidence: 99%

Scientific drilling workshop on the Weihe Basin Drilling Project (WBDP): Cenozoic tectonic–monsoon interactions

Zhang

Vogel

et al. 2020

Sci. Dril.

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Abstract. The Weihe Basin, enclosed by the Chinese Loess Plateau to the north and the Qinling Mountains to the south, is an outstanding, world-class continental site for obtaining high-resolution multi-proxy records that reflect environmental changes spanning most of the Cenozoic. Previous geophysical and sedimentary studies indicate that the basin hosts 6000–8000 m thick fluvial–lacustrine sedimentary successions spanning the Eocene to Holocene. This sedimentary record provides an excellent and unique archive to decipher long-term tectonic–climate interactions related to the uplift of the Tibetan Plateau, the onset/evolution of the Asian monsoon, and the development of the biogeography of East Asia. Owing to its location at the interface of the opposing westerly and Asian monsoon circulation systems, the Weihe Basin also holds enormous promise for providing a record of changes in these circulation systems in response to very different boundary conditions since the Eocene. To develop an international scientific drilling programme in the Weihe Basin, the Institute of Earth Environment, Chinese Academy of Sciences, organized a dedicated workshop with 55 participants from eight countries. The workshop was held in Xi'an, China, from 15 to 18 October 2019. Workshop participants conceived the key scientific objectives of the envisaged Weihe Basin Drilling Project (WBDP) and discussed technical and logistical aspects as well as the scope of the scientific collaboration in preparation for a full drilling proposal for submission to the International Continental Scientific Drilling Program (ICDP). Workshop participants mutually agreed to design a two-phase scientific drilling programme that will in a first phase target the upper 3000 m and in a second phase the entire up to 7500 m thick sedimentary infill of the basin. For the purpose of the 7500 m deep borehole, the world's only drill rig for ultra-deep scientific drilling on land, Crust 1, which previously recovered the entire continental Cretaceous sediments in the Songliao Basin, will be deployed in the WBDP.

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Insights into paleoenvironment and chemical weathering as controls on arsenic accumulation in Late Pleistocene to Holocene aquifers

Xie

Liu

Yang

et al. 2022

Applied Geochemistry

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Geochemical characterization of the middle and late Pleistocene alluvial fan-dominated infill of the northern part of the Weihe Basin, Central China

Cited by 8 publications

References 64 publications

Provenance evolution of the northern Weihe Basin as an indicator of environmental changes during the Quaternary

Provenance evolution of the northern Weihe Basin as an indicator of environmental changes during the Quaternary

Scientific drilling workshop on the Weihe Basin Drilling Project (WBDP): Cenozoic tectonic–monsoon interactions

Insights into paleoenvironment and chemical weathering as controls on arsenic accumulation in Late Pleistocene to Holocene aquifers

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