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Research Highlights

Geology: Spatiotemporal distribution of giant magnetofossils holds clues to their biological origin

Pengfei Xue1,2,Liao Chang2,31State Key Laboratory of Marine Geology, Tongji University, Shanghai 200092, China2Laboratory of Orogenic Belts and Crustal Evolution, School of Earth and Space Sciences, Peking University, Beijing 100871, China3Laboratory for Marine Geology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266061, ChinaAbstract:Micrometer-size magnetite crystals with peculiar morphologies, such as spearhead, spindle, needle, and giant bullet, known as giant magn

2024-03-20

27
EPSL: Barium isotopes in stromatolites through deep-time: A novel tracer for metal cycling in the photic zone

Simon V.Hohla, Yi-Bo Linb, Hai-Zhen Weib, Guang-Yi Weib, Sebastian ViehmanncaState Key Laboratory of Marine Geology, Tongji University, Shanghai, PR ChinabState Key Laboratory of Mineral Deposits Research, Nanjing University, Nanjing, PR ChinacInstitute of Mineralogy, Leibniz University Hannover, Hannover, GermanyAbstract:In the search for reliable archives to reconstruct Earths paleo-surface ocean chemistry, stromatolites have gained much attention in the past decade. Stromatolitic carbonates,

2024-03-19

26
EPSL：Formation mechanism of drift-moat contourite systems revealed by in-situ observations in the South China Sea

YulongZhao，ZhifeiLiu,YanweiZhang,XiaodongZhang,PengfeiMa,XunYu,ChenLing,BaozhiLin,JingwenZhangState Key Laboratory of Marine Geology, Tongji University, Shanghai 200092, ChinaAbstract：Contourite drifts are ubiquitous sedimentary features in the world′s oceans, and their formation are usually ascribed to sedimentation from contour currents. However, in-situ observations of contour currents and their associated sedimentary processes were inadequate. Here, we present mooring observation results fro

2024-01-27

75
Science Bulletin: Accelerated marine carbon cycling forced by tectonic degassing over the Miocene Climate Optimum

FenghaoLiua, JinlongDua, EnqingHuanga, WentaoMab, XiaolinMac, Lucas J.Lourensd, JunTianaa State Key Laboratory of Marine Geology, Tongji University, Shanghai 200092, Chinab State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, Chinac State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710061, Chinad Department of Earth Sciences, Faculty of

2024-01-17

93
EPSL：Transformation of dense shelf water cascade into turbidity currents: Insights from high-resolution geophysical datasets

NanWua,GuangfaZhonga,YakufuNiyazib,BiwenWanga,Harya D.Nugrahac,Michael J.Steventonda State Key Laboratory of Marine Geology, Tongji University, 1239 Siping Road, Shanghai, 200092, Chinab Minderoo-UWA Deep-Sea Research Centre, School of Biological Sciences and UWA Oceans Institute, The University of Western Australia, Perth, WA 6009, Australiac Center for Sustainable Geoscience and Outreach (CSGO), Universitas Pertamina, Jakarta, 12220, Indonesiad Shell Research, Shell Centre, London, SE1 7NA, Un

2023-12-27

151
GRL：Southward Shift and Intensification of the Intertropical Convergence Zone in the North Pacific Across the Mid-Pleistocene Transition

Xingxing Wang1, Yue Wang1, Kelsey A. Dyez2, A. Christina Ravelo3, Chunxiao Sun1, Fenghao Liu1, Xiaoying Jiang1, Zhimin Jian11State Key Laboratory of Marine Geology, Tongji University, Shanghai, China,2Department of Earth and Environmental Sciences, University of Michigan, Ann Arbor, MI, USA, 3Department of Ocean Sciences, University of California, Santa Cruz, CA, USAAbstract：The Hadley Circulation and associated westerlies strengthened and moved equatorward across the mid-Pleistocene transition

2023-12-26

139
Biogeosciences: Sinking fate and carbon export of zooplankton fecal pellets: insights from time-series sediment trap observations in the northern South China Sea

Hanxiao Wang, Zhifei Liu, Jiaying Li, Baozhi Lin, Yulong Zhao, Xiaodong Zhang, Junyuan Cao, Jingwen Zhang, Hongzhe Song, and Wenzhuo WangState Key Laboratory of Marine Geology, Tongji University, Shanghai, 200092, ChinaAbstract:The sinking of zooplankton fecal pellets is a key process in the marine biological carbon pump, facilitating the export of particulate organic carbon (POC). Here, we analyzed zooplankton fecal pellets collected by two time-series sediment traps deployed on mooring TJ-A1B

2023-12-25

86
Earth-science Reviews：Joint geochemisty-rock physics modeling: Quantifying the effects of thermal maturity on the elastic and anisotropic properties of organic shale

Luanxiao Zhaoa,b,*, Jinwan Zhua,b, Xuan Qinc, Gong Ruia,b, Zhenjia Caia,b, Fengshou Zhangd, De-hua Hanc, Jianhua Genga,ba State Key Laboratory of Marine Geology, Tongji University, Shanghai 200092, Chinab School of Ocean and Earth Science, Tongji University, Shanghai 200092, Chinac Department of Earth and Atmospheric Sciences, University of Houston, Houston 77004, USAd Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China AbstractUnderstanding and modeling the elastic

2023-12-12

115
GPC：Sea level and East Asian monsoon influenced chemical weathering records in the southern South China Sea over the past 21 ka

HongchaoZhao,ZhifeiLiu，YulongZhaoState Key Laboratory of Marine Geology, Tongji University, Shanghai 200092, ChinaAbstract：High-resolution major elementgeochemistryof Core MD05–2892 from the lower Sunda Slope was analyzed to investigate the variation of chemical weathering records and its controlling factors in the southern South China Sea since thelast glaciation. Chemical index of alteration (CIA) and SiO2/Na2O ratio were selected as chemical weathering proxies. The values of the proxies are h

2023-12-11

56
EPSL：Uranium-series Comminution Ages Constrain Large Catchment Erosion and its Response to Climate Change: A Case study from the Changjiang

Junfei Chena,b, Chao Lia, Albert Galyb, Hui Wanga, Chengfan Yanga, Shouye Yangaa. State Key Laboratory of Marine Geology, Tongji University, Shanghai 200092, Chinab. Centre de Recherches Pétrographiques et Géochimiques, UMR7358, CNRS, Université de Lorraine, 54500 Vandoeuvre les Nancy, FranceAbstractCatchment erosion not only plays an important role on landscape evolution, but also determines the exposure of rock debris in the regolith profile, and therefore impacts the chemical weathering and a

2023-11-28

85
GPC：Mg isotopes of siliciclastic sediments on continental marginal sea: Insights for the potential to trace silicate weathering

ZhongyaHu,ShouyeYang,ChengfanYang,YulongGuo,JuanXu,ChiZhangState Key Laboratory of Marine Geology, School of Ocean and Earth Science, Tongji University, Shanghai, ChinaAbstract:In the last decade, much attention has been devoted to Mg isotopic behavior during various weathering processes. Nonetheless, whether Mg isotopes in terrigenous siliciclastic sediments in modern oceans can reflect continental weathering regimes remains unresolved. Understanding the major controls of Mg isotope fractionati

2023-11-20

99
GRL: Equatorial Pacific Sea-Air CO2 Exchange Modulated by Upper Ocean Circulation During the Last Deglaciation

Zhimin Jian1, Jimin Yu2,3, Yue Wang1, Haowen Dang1, Minhan Dai4, Chen Li1,Xuan Ji3, Xingxing Wang1, and Yue Chen11State Key Laboratory of Marine Geology, Tongji University, Shanghai, China, 2Laoshan Laboratory, Qingdao, China,3Research School of Earth Sciences, The Australian National University, Canberra, ACT, Australia, 4State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, ChinaAbstract:The eastern equatorial Pacific (EEP) is a source of atmospheric CO2during the la

2023-11-19

69
QSR: The change in convection over the Indo-Pacific warm pool in the mid-Holocene and its influence on South Asian precipitation

Xinquan Zhoua, Xiaobo Jina, Xiaoxu Shib, Chuanlian Liua, *aState Key Laboratory of Marine Geology, Tongji University, Shanghai, ChinabSouthern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, China*Corresponding author: liucl@tongji.edu.cnAbstract: This study investigates how convection over the Indo-Pacific warm pool (IPWP) differed during the mid-Holocene compared to the preindustrial period. The research employs modeling data from the Paleoclimate Modelling Intercompariso

2023-11-14

73
GSF: Proterozoic to phanerozoic case studies of laser ablation microanalysis for microbial carbonate U–Pb geochronology

Yuxiang Jianga, Simon V. Hohla, Xiangtong Huanga, Shouye YangaaState Key Laboratory of Marine Geology, Tongji University, Shanghai, 200092, ChinaAbstract：Some of the earliest bio-sedimentary records of life on Earth are represented by microbial carbonates, which are also critical geochemical archives of ancient seawater chemistry and the environmental circumstances in which they precipitated. Reconstructing paleo-microbial environments on Earth and potentially other planets requires precise dete

2023-11-01

62

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