Solid Earth Sciences(S)
Session Sub-categoryMineralogy & Petrology
Session IDS-MP35
TitleAntarctica and surrounds in Supercontinent Evolution
Short TitleAntarctica and surrounds in Supercontinent Evolution
Main ConvenerNameTomokazu Hokada
AffiliationNational Institute of Polar Research
Co-Convener 1NameYasuhito Osanai
AffiliationDivision of Evolution of Earth Environments, Faculty of Social and Cultural Studies, Kyushu University
Co-Convener 2NameGeoffrey Hugo Grantham
AffiliationDepartment of Geology, University of Johannesburg, Auckland Park, South Africa
Co-Convener 3NameMadhusoodhan Satish-Kumar
AffiliationDepartment of Geology, Faculty of Science, Niigata University
Session LanguageEE
ScopeSupercontinent formation and dispersion has been enigmatic in the Earth's history. Eurasia is one such current supercontinent and incredible progress in the understanding of its geological evolution has been achieved in the past decade. Earlier supercontinents in the Earth's history such as Gondwana (0.5 Ga), Rodinia (1.0 Ga), Columbia/Nuna (2.0 Ga), Kenorland (2.5 Ga) and Vaalbara (3.1 Ga), have been the focus of several studies, however limited information on older supercontinents has restricted an understanding of their tectonic evolution. Antarctica and surrounding areas in Gondwana, including southern Africa, Sri Lanka, India, Australia, are key regions for studying several important unsolved issues. In honor of the retirement of Professor Kazuyuki Shiraishi, Director of the National Institute of Polar Research, who developed the pioneering geological and geochronological framework of Antarctica within the Gondwana supercontinent, we invite authors around the world to present new as well as review results on the continental scale crustal processes and tectonic evolution that are associated with supercontinent formation events in Earth's history. The well-studied Eurasia, Pangaea, Rodinia and Gondwana supercontinents are of particular focus. Topics of interest include, but not restricted to, extremes in metamorphism, P-T-d-t evolution, magmatism, and the role of fluids. We hope to provide a platform for scientific discussions that will enlighten our understanding of the physical and chemical processes in the continental crust that records episodes of orogenesis that contributed to the formation and evolution of supercontinents.
Presentation FormatOral and Poster presentation
Invited Authors
  • Kazuyuki Shiraishi (National Institute of Polar Research)
  • Krishnan Sajeev (Centre for Earth Sciences, Indian Institute of Science)
Time Presentation No Title Presenter Abstract
Oral Presentation May 22 AM1
09:00 - 09:15 SMP35-01Re-examination of metamorphic and geochronologic events in eastern Dronning Maud Land and Enderby Land, East Antarctica: current status and future perspectivesTomokazu Hokada Abstract
09:15 - 09:30 SMP35-02New geochronological report of tonalitic gneisses at Harvey Nunatak and Mt. Reed in western part of Napier Complex, East AntarcticaMami Takehara Abstract
09:30 - 10:00 SMP35-03Geological studies in the Japanese Antarctic Research ExpeditionKazuyuki Shiraishi Abstract
10:00 - 10:15 SMP35-04Pressure-temperature-time evolution of high-grade metamorphic rocks from Tenmondai Rock in the northeastern part of the Lützow-Holm Complex, East AntarcticaYusuke Takamura Abstract
10:15 - 10:30 SMP35-05Isotope geochemistry of metacarbonate rocks as tools for reconstructing supercontinentsMadhusoodhan Satish-Kumar Abstract
Oral Presentation May 22 AM2
10:45 - 11:00 SMP35-06Terminal deformation and magmatism of the Kuunga Orogeny,Dronning Maud Land, Antarctica.Geoffrey Hugo Grantham Abstract
11:00 - 11:15 SMP35-07Geochemcial contraints on origin and evolution of the Vijayan Complex, Sri Lanka and its role in Gondwana formationM A Sanjeewa P K Malaviarachchi Abstract
11:15 - 11:30 SMP35-08Protolith characteristics and tectonic implications for high-grade metamorphic rocks in the Highland and Wanni Complexes, Sri Lanka.Ippei Kitano Abstract
11:30 - 11:45 SMP35-09A comparison between the mafic dykes in the Western and Eastern Dharwar cratons, southern India: Implications for cratonizationSilpa Ammini Sasidharan Abstract
11:45 - 12:15 SMP35-10UHT metamorphism and tectonic models of Eastern Gondwana: problems and possibilitiesKrishnan Sajeev Abstract
Presentation No Title Presenter Abstract
Poster Presentation May 22 Core Time
SMP35-P01 Formation of Neoproterozoic juvenile crust in Eastern Dronning Maud Land, East Antarctica Masaaki Owada Abstract
SMP35-P02 Younging direction of carbonate depositional age in Highland Complex, Sri Lanka: Implications for Gondwana amalgamation tectonics Momoko Shirakawa Abstract
SMP35-P03 U–Pb zircon geochronology on high-grade metamorphic rocks from the Higo metamorphic Belt in central Kyushu, Japan Vuong Thi Sinh Bui Abstract
SMP35-P04 Petrology and geochemistry of Middle Proterozoic meta-tonalite in Cape Hinode, Prince Olav Coast, East Antarctica Atsushi Kamei Abstract
SMP35-P05 Protolith of orthogneiss and amphibolite in Akebono Rock, Prince Olav Coast, East Antarctica Hikari Awata Abstract