Gondwana Research
Papers 3392
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#1E.Y. Lee (Chonnam National University)H-Index: 2
#2Erik Wolfgring (University of Vienna)H-Index: 4
Last.Yongmi Kim (UST: Korea University of Science and Technology)
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Abstract The Naturaliste Plateau is a submarine continental ribbon rifted from the southwest Australian margin during the Early Cretaceous breakup of East Gondwana. It occupied a key position near the juncture of Greater India and the boundary between Australia and Antarctica. However, details of the Early Cretaceous evolution of the plateau are not well known because of limited data. Drilling at Site U1513 during IODP Expedition 369 recovered the first complete Lower Cretaceous succession on th...
#1Pierre F.D. Cockx (University of Regina)H-Index: 3
#2Ryan C. McKellar (KU: University of Kansas)H-Index: 13
Last.Karlis Muehlenbachs (U of A: University of Alberta)H-Index: 50
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Abstract Amber deposits and dinosaur bonebeds provide some of the most detailed sources of information on terrestrial ecosystems, but these sources have rarely been studied in tandem. The Pipestone Creek bonebed from the Campanian Wapiti Formation of Alberta, Canada, provides an opportunity to explore both data sources in the same deposit for the first time. The site has yielded an exceptional fauna dominated by abundant remains of the centrosaurine ceratopsian Pachyrhinosaurus. The initial camp...
#1Max Casson (University of Manchester)
#2Luc G. Bulot (AMU: Aix-Marseille University)H-Index: 4
Last.Jonathan Redfern (University of Manchester)H-Index: 19
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Abstract Revising the deep water stratigraphy exposed on Maio offers a key section recording the sedimentary evolution in the distal domain of the Central Atlantic and the related North West African Atlantic margin (NWAAM). The oceanic volcanic island is one of nine islands in the Cape Verde archipelago, and is unique to the Central Atlantic due to the exposures of ophiolites and the overlying Mesozoic deep water sediments uplifted during the Cenozoic. This provides the opportunity to assess at ...
#1Lu-Bing Hong (CAS: Chinese Academy of Sciences)H-Index: 8
#2Yi-Gang Xu (CAS: Chinese Academy of Sciences)H-Index: 55
Last.Yongsheng Kuang (Inner Mongolia University of Technology)
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Abstract Despite the critical influence of oxidation state on the geochemical and geodynamic evolution of Earth, its impact on the longevity of cratons is poorly understood. To address this issue, we investigated the redox state of the Late Mesozoic subcontinental lithospheric mantle (SCLM) beneath the eastern North China Craton (NCC), which was destroyed during the Phanerozoic. We report the occurrence of high-Fo olivine (Fo > 87, where Fo = atomic Mg/(Mg + Fe2+)) within Early Cretaceous basalt...
#1A. A. Sorokin (RAS: Russian Academy of Sciences)H-Index: 17
#2Victor A. Zaika (RAS: Russian Academy of Sciences)
Last.Hao Yang (JLU: Jilin University)H-Index: 17
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Abstract The Mongol–Okhotsk Belt, a major structural element of East Asia, is probably the youngest orogenic segment within the Central Asian Orogenic Belt. However, the timing of final closure of the Mongol–Okhotsk Ocean remains unresolved. Here, we present detrital zircon U–Pb–Hf isotopic data and whole-rock geochemical data (major and trace elements and Sm-Nd isotopes) for the metasedimentary rocks from the Un'ya–Bom Terrane, Dzhagdy Terrane, and the eastern part of the Tukuringra Terrane. Ou...
#1Jian-li Tao (Ocean University of China)H-Index: 2
#2Liming Dai (Ocean University of China)H-Index: 18
Last.Fakun Li (Ocean University of China)
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Abstract The accretion of oceanic plateaus has played a significant role in continental growth during Earth's history, which is evidenced by the presence of oceanic island basalts (OIB) and plume-type ophiolites in many modern orogens. However, oceanic plateaus can also be subducted into the deeper mantle, as revealed by seismic tomography. The controlling factors of accretion versus subduction of oceanic plateaus remain unclear. Here, we investigate the dynamics of oceanic plateau accretion at ...
#1Joaquin Bastias (University of Geneva)H-Index: 2
#2Richard Alan Spikings (University of Geneva)H-Index: 28
Last.Anne-Sophie Bouvier (UNIL: University of Lausanne)H-Index: 11
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Abstract Triassic orthogneisses of the Antarctic Peninsula provide evidence for the Palaeozoic and Mesozoic geological evolution of southern Gondwana within Pangaea. These rocks are sporadically exposed in southeastern Graham Land and northwestern Palmer Land, although reliable geochronological, geochemical and isotopic data are sparse. We combine new geochronological (LA-ICP-MS zircon U Pb), geochemical, and zircon (Hf, O) and whole rock isotopic (Nd, Sr and Pb) data to constrain the age and Tr...
#1Jung-Hun Song (SNU: Seoul National University)H-Index: 2
#2Seongryong Kim (CNU: Chungnam National University)H-Index: 8
Last.Junkee Rhie (SNU: Seoul National University)H-Index: 11
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Abstract Margins of old continental lithosphere are likely prone to ongoing modification processes. Therefore, constraining detailed structures beneath the margin can be essential in understanding the evolution of the continental lithosphere. The eastern margin of the Eurasian plate is a natural laboratory that allows us to study the strong effects from multiple episodes of continental collision and subduction of different oceanic plates since their formation. To reveal the detailed evolution of...
#1Chuanliang Yan (China University of Petroleum)H-Index: 6
#2Xu Ren (China University of Petroleum)H-Index: 1
Last.Wanqing Tian (China University of Petroleum)H-Index: 1
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Abstract As a clean fossil fuel with great reserves, natural gas hydrate (NGH) is widely regarded as an important future alternative energy source. NGH is widely distributed in onshore tundra and shallow sedimentary layers in the deep sea. These sedimentary layers typically exit shallow burial depth, poor diagenesis and low strength characteristics; moreover, the decomposition of NGH can also greatly reduce reservoir strength. Therefore, NGH development can easily causes many geomechanical probl...
#1M. O. Naumenko-Dèzes (CNRS: Centre national de la recherche scientifique)H-Index: 1
#2Yann Rolland (University of Savoy)H-Index: 32
Last.René-Pierre Ménot (Jean Monnet University)H-Index: 22
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Abstract The Terre Adelie Craton displays superimposed strain fields related to the Neoarchean (2.6–2.4 Ga, M1) and Paleo-Mesoproterozoic (1.7–1.5 Ga, M2) metamorphic events. M1 is a regional granulite facies event, constrained by P-T modelling at ~0.8–1.0 GPa – 800–850 °C, followed by a decompressional retrogression in the upper amphibolite facies at ~0.6 GPa – 750 °C. M2 Stage 1 P-T peak is constrained at 0.6–0.7 GPa – 670–700 °C, followed by a steep P-T path down to 0.3 GPa – 550 °C. Retrogre...
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