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4th, March, 2014. International Symposium "Gondwana and Island arc: Past and Present"

Gondwana included most of the landmasses in today's Southern Hemisphere, including Antarctica, South America, Africa, Madagascar and the Australian continents, as well as the Indian subcontinent, which have now moved entirely into the Northern Hemisphere. One of the most popular theories of continental growth suggests formation of continents by amalgamation of island arcs at the collision zones. Understandably, the geology of island arc systems is of paramount importance to understand the growth and evolution of continental blocks that ultimately joined to produce supercontinents like Gondwana in the earth history. The purpose of this symposium is to exchange views and ideas among researchers working on the Precambrian geology of the continents and the Phanerozoic island arc systems of Japan.

Date

9:00~17:00, March 4 (Tue), 2014.

Venue

Building-1, Room 515, Graduate School of Environment and Information Sciences, Yokohama National University,

Other information

Open to the public admission free

Sponsored by JSPS Grants-in-Aid for Scientific Research (2340301) "Petrogenesis of Carbonatite in the Proterozoic Southern Madagascar"
Co-sponsored by Graduate School of Environment and Information Sciences, Yokohama National University

Contact address
M. Arima: arima@ynu.ac.jp


Program

Welcome remark
9:00-9:20 Makoto Arima (Yokohama National University)

Gondwana I Chair: D. Prakash
9:20-9:50 Invited: Gondwana to Asia: Multiple continental collision and related metamorphism during the Asian continental growth
Yasuhito Osanai (Kyushu University)
9:50-10:10 Sedimentology of Paleoproterozoic Turee Creek Group of rocks, Western Australia
Rajat Mazumder (University of New South Wales), Martin J. Van Kranendonk (University of New South Wales; ARC Centre of Excellence for Core to Crust Fluid Studies)
10:10-10:30 Clay mineralogical and geochemical study of inter-basaltic clay rich horizons from Chhindwara-Mandla section: Implications for palaeoclimate and weathering process during Deccan volcanism
Vivek P. Malviya (Geological Survey of India)

(10 min break)

Gondwana II Chair: R. Mazumder
10:40-11:00 High-pressure and ultrahigh-temperature metamorphism at Diguva Sonaba, Eastern Ghats Mobile Belt (India):New constraints from phase equilibria modelling
Divya Prakash, Deepak, Praveen C. Singh, Chandra K. Singh (Banaras Hindu University),Makoto Arima (YNU), Hartwig Frimmel (University of Würzburg)
11:00-11:20 Beauty of Sakenites rocks in southern Madagascar: Occurrence, petrography and origin
Raymond Rakotondrazafy (University of Antananarivo), M. Ranaivoson, M. Arima (YNU)
11:20-11:40 Madagascar and the EAO (East Africa Orogen) during the assembly of Gondwana East and West
Andriamampianina Roger Rambeloson (University of Antananarivo), Tsilavo Raharimahefa (University of
Regina)
11:40-12:00 Geology, geochemistry and geochronology of east-central Madagascar
Takashi Ichiki (Yokohama National University)

(Lunch break)

Gondwana III Chair: K. Tani
13:00-13:20 Invited: The Kibaran tin and Columbite-Tantalite Province in eastern D.R. Congo: structural control,Cassiterite SHRIMP vs K-Ar geochronology and implications to Rodinia and Gondwana tectonics
Joseph Kokonyangi (Member of Lower House of the Parliament. D.R. Congo), M. Arima (YNU), M. Yoshida
(Gondwana Institute for Geology and Environment)
13:20-13:40 Crustal growth of the Ntem Complex, South Cameroon: An insight from zirconology
Talla Takam (Bureau de l’exploration géologique du Québec), Makoto Arima (YNU), Daniel J. Dunkley
(Curtin University)
13:40-14:00 SHRIMP U-Pb zircon geochronology of southern Madagascar: New evidence of Mesoarchaean crust and its implications on Madagascar basement history
Nirihaja O. Thierry Rakotonandrasana, M. Arima (Yokohama National University), D.J. Dunkley (Curtin University), R. Rakotondrazafy3, R.A. Rambeloson (University of Antananarivo), K. Shiraishi (National Institute of Polar Research)
14:00-14:20 Carbonatite and associated phlogopitite-pyroxenite intrusions along the Beraketa mega shear zone, in the Proterozoic southern Madagascar: Geochemical, O- and C- stable isotopes and Sr- and Nd-isotopic characteristics
Marinah A. Ranaivoson (Yokohama National University)
14:20-14:40 Experimental studies on the origin of sapphire deposits in Gondwana fragments: Interaction between pelitic granulite and marble
Mutsumi Kato (Chiba University), Makoto Arima (YNU),Yoshikuni Hiroi (Chiba University)

(10 min break)

Island Arc Chair: M. Kato
14:50-15:20 Invited: Mass balance of an arc: hot versus cold subduction case
Jun-Ichi Kimura (Japan Agency for Marine and Earth Science and Technology)
15:20-15:40 Petrogenesis of Neogene granitoid plutons in the Izu Collision Zone: implications for evolution of juvenile oceanic arc into mature continental crust
Satoshi Saito (Ehime University)
15:40-16:00 Spatial and temporal variations of stress field and volcanic activity in the South Fossa Magna region, central Japan
Shin'ich Mori (Hiratsuka City Museum)
16:00-16:20 Petrogenesis of the oxide gabbro from an oceanic core complex in the Parece Vela back arc basin, Philippine Sea
Hiroyuki Yamashita (Kanagawa Prefectural Museum of Natural History)
16:20-16:40 Mesozoic eastern Tethys margin: Birthplace of the Izu-Bonin-Mariana Arc
Kenichiro Tani (Japan Agency for Marine-Earth Science and Technology)

Open Discussion
16:40-16:55 Gondwana and Island Arc: Past and Present
Coordinator: Vivek P. Malviya and Satoshi Saito

Closing Remark
16:55-17:00 Makoto Arima (Yokohama National University)

Banquet
17:30-19:30 Dean of Graduate School of Environment and Information Sciences, Yokohama National University cordially invite all participants to the Banquet held at University Hall "Restaurant "Porty".

Welcome speech
Prof. Shin Morishita (Dean of Graduate School of Environment and Information Sciences)

Special mini-Concert'
Chengyuan Tian (Tenten) (Flutist, Master of Music, Kyoto City University of Art)

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