Provenance of the upper Miocene–Pliocene Red Clay deposits of the Chinese loess plateau

Nie, Junsheng; Peng, Wei; Möller, Andreas; Song, Yougui; Stöckli, Daniel F.; Stevens, Thomas; Horton, Brian K.; Liu, Shanpin; Bird, Anna; Oalmann, Jeffrey; Gong, Hang; Fang, Xiaomin

doi:10.1016/j.epsl.2014.09.026

Cited by 94 publications

(72 citation statements)

References 83 publications

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“…Aleinkoff et al, 1999) in order to distinguish the potential influence of multiple dust sources. A disadvantage of analyzing single-grains in silt-sized material in all of these studies (Aleinkoff et al, 1999;Stevens et al, 2010Stevens et al, , 2013bPullen et al, 2011;Che & Li 2013;Xiao et al, 2012;Nie et al, 2014) is that the size of the laser spot is c. 35 μm, limiting analyses to grains over 40 μm. This biases the dataset towards coarser material, and therefore probably more proximal sites, although such near source studies are still an important aspect of dust sourcing (Formenti et al, 2011).…”

Section: Accepted Manuscriptmentioning

confidence: 97%

“…While these methods can still provide valuable insights into source via analysis of potential mixing lines in data (Zhao et al, 2014), they have the disadvantage of averaging out multiple distinct sediment source signatures. As such, more recent studies have used single-grain approaches such as detrital zircon U-Pb geochronology on Chinese Plateau Loess (Stevens et al, 2010(Stevens et al, , 2013bPullen et al, 2011;Che & Li 2013;Xiao et al, 2012;Nie et al, 2014) and loess deposits elsewhere (e.g. Aleinkoff et al, 1999) in order to distinguish the potential influence of multiple dust sources.…”

Section: Accepted Manuscriptmentioning

confidence: 98%

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Quaternary dust source variation across the Chinese Loess Plateau

Bird

Stevens

Rittner

et al. 2015

Palaeogeography, Palaeoclimatology, Palaeoecology

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106

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The Chinese Loess Plateau in north central China contains one of the most valuable Cenozoic climate archives on land. Establishing the origin of this substantial archive of aeolian sediments is critical for the interpretation of loess climate proxies, past atmospheric wind patterns and changing climatic/tectonic controls on erosion over potentially the past 25 Ma. Despite this significance there are a number of disagreements over the precise source areas and the extent to which these vary through time and across the plateau. To address this, we utilize a multi-technique, approach of combined detrital singlegrain zircon U-Pb dating and heavy mineral analysis to establish the sources of loess through the Quaternary and constrain their variation geographically across the Loess Plateau. We combine our data with suitable published single-grain datasets from loess and possible source regions. The results

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Section: Accepted Manuscriptmentioning

confidence: 97%

Section: Accepted Manuscriptmentioning

confidence: 98%

Quaternary dust source variation across the Chinese Loess Plateau

Bird

Stevens

Rittner

et al. 2015

Palaeogeography, Palaeoclimatology, Palaeoecology

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106

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“…et al (2001) that the 8 Ma sediments on the CLP should have a contribution from either alluvial, or slope process derived material most likely from the Liupan Shan. Interestingly, the zircon U-Pb data also reveal a likely provenance shift between 4 and 3 Ma corresponding to the onset of the intensive Northern Hemisphere glaciations (Figure 2), which might be caused by expansion of the central Asian deserts and introduction of new source areas (Nie et al, 2014a).…”

Section: Debates About Origins Of the Red-clay Sequencementioning

confidence: 99%

“…For this reason, their interpretation warrants further investigation. FIGURE 2 | A comparison of detrital zircon U-Pb ages between ∼3 Ma, ∼4 Ma, ∼5 Ma, and ∼8 Ma red-clay from Chaona (CN) (Nie et al, 2014a). Black and blue lines are normalized probability density plots and Kernel Density Estimation plots, respectively, and the open rectangles are age histograms.…”

Section: Paleoclimate History Of the Chinese Loess Plateau Recorded Bmentioning

confidence: 99%

“…Zircon U-Pb age distribution patterns have proven to be particularly useful for tracing the provenance of Chinese loess (Stevens et al, 2010;Pullen et al, 2011). We have generated some zircon U-Pb ages (Nie et al, 2014a) from the Chaona red-clay section (Figure 1). These data indicate that the CLP experienced a dramatic provenance shift between 8 and 5 Ma because the zircon U-Pb age distribution patterns of the 8 Ma red-clay and the 5 Ma red-clay are strikingly different (Figure 2).…”

Section: Debates About Origins Of the Red-clay Sequencementioning

confidence: 99%

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A Review of Recent Advances in Red-Clay Environmental Magnetism and Paleoclimate History on the Chinese Loess Plateau

2016

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The red-clay sequence on the Chinese Loess Plateau (CLP) was deposited during the late Miocene-Pliocene and is encoded with important information of past climate changes. However, it has received much less study in comparison to the overlying Pleistocene loess-paleosol sequence. In this paper, we review recent progress in characterizing the environmental magnetic parameter-based paleoclimate history recorded by the red-clay sequence. Several key conclusions are as follows. (1) the red-clay and the loess-paleosol sequences have similar magnetic enhancement mechanisms but magnetic minerals in the red-clay sequence have experienced a higher degree of oxidation than in the loess-paleosol sequence. (2) The CLP experienced a cooling and wetting trend from 4.5 to 2.7 Ma, caused by ice sheet expansion and East Asian summer monsoon intensification, respectively. (3) The above conclusions benefit from backfield remanence curve unmixing and comparison of magnetic grain size/concentration records, which are particularly useful in separating the temperature from the precipitation signal. A clear need in future studies is to explore the concentration and the grain size variations of hematite and goethite in the red-clay sequence and their formation mechanisms. The payback would be a clear understanding of climate history during the late Miocene-Pliocene, a possible analog for future warmer climate.

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Late Miocene magnetostratigraphy of Jianzha Basin in the northeastern margin of the Tibetan Plateau and changes in the East Asian summer monsoon

Qiang

et al. 2017

Geological Journal

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Jianzha Basin is located in the northeastern Tibetan Plateau (NETP) and contains a thick sequence of Cenozoic sediments that are an archive of information about the growth of the Tibetan Plateau and the evolution of the arid environment of the interior of Asia. Here, we present magnetostratigraphic and palaeoenvironmental records from a 361‐m‐thick sequence of Late Cenozoic eolian Red Clay and intercalated fluviolacustrine deposits in the Jianzha Basin. The magnetostratigraphic results show that the sediments have recorded a continuous geomagnetic polarity sequence from C5r.3r to C3r, spanning the interval from 11.8 to 5.8 Ma in the Late Miocene. There are two intervals of rapidly fluctuating sedimentation rates between ~10 and ~6 Ma, which we interpret as a response to a series of uplifts and expansions to the north and to the east in the NETP. The fluctuations in Rb/Sr ratio and magnetic susceptibility before ~8.57 Ma reflect intensified East Asian summer monsoon (EASM) precipitation which resulted from the growth of the NETP. From ~8.57 to ~7.21 Ma, the EASM was impacted by global cooling and ice build‐up in the Northern Hemisphere in addition to the uplift of the Tibetan Plateau (TP) in the Late Miocene. From ~8.57 to ~7.21 Ma, there is a lack of coherency between the fluctuations in MS and Rb/Sr ratio; however, subsequently, there is significant coherency between the Rb/Sr ratio and the deep‐sea oxygen isotope record present. This suggests that from ~8.57 Ma, the eolian Red Clay sediments in the Jianzha Basin were significantly affected by the addition of dust derived from the deforming and uplifting areas of the TP.

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Provenance of the upper Miocene–Pliocene Red Clay deposits of the Chinese loess plateau

Cited by 94 publications

References 83 publications

Quaternary dust source variation across the Chinese Loess Plateau

Quaternary dust source variation across the Chinese Loess Plateau

A Review of Recent Advances in Red-Clay Environmental Magnetism and Paleoclimate History on the Chinese Loess Plateau

Late Miocene magnetostratigraphy of Jianzha Basin in the northeastern margin of the Tibetan Plateau and changes in the East Asian summer monsoon

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