Ayaka TOKUMARU

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Speaker, Author, Co-Author

Mon. Apr 28, 2014 2:15 PM - 4:00 PM 415 (4F)

Oral
| Symbol S (Solid Earth Sciences)
| S-RD Resources, Mineral Deposit & Resource Exploration

[S-RD45_28PM1] New progress of resource geology: global environmental change and element enrichment

2:45 PM - 3:00 PM

[SRD45-02] Os isotope stratigraphy of a ferromanganese crust: Its principles and applications

*Tatsuo NOZAKI¹, Kosuke T. GOTO², Ayaka TOKUMARU³, Yutaro TAKAYA⁴, Katsuhiko SUZUKI¹, Qing CHANG¹, Jun-ichi KIMURA¹, Yasuhiro KATO⁴, Gen SHIMODA², Takashi TOYOFUKU⁵, Akira USUI⁶, Tetsuro URABE³ (1.JAMSTEC/IFREE, 2.AIST/GSJ, 3.Univ. of Tokyo, 4.Univ. of Tokyo, 5.JAMSTEC/BIOGEOS, 6.Kochi Univ.)

Mon. Apr 28, 2014 11:00 AM - 12:45 PM 411 (4F)

Oral
| Symbol M (Multidisciplinary and Interdisciplinary)
| M-IS Intersection

[M-IS25_28AM2] Evolution of the Pelagic Realm

11:30 AM - 11:45 AM

[MIS25-P01_PG] Is the growth hiatus of ferromanganese crusts a local or global event?

3-min talk in an oral session

*Tatsuo NOZAKI¹, Kosuke T. GOTO², Ayaka TOKUMARU³, Yutaro TAKAYA⁴, Katsuhiko SUZUKI¹, Qing CHANG¹, Jun-ichi KIMURA¹, Yasuhiro KATO⁴, Gen SHIMODA², Takashi TOYOFUKU⁵, Akira USUI⁶, Tetsuro URABE³ (1.JAMSTEC/IFREE, 2.AIST/GSJ, 3.Univ. of Tokyo, 4.Univ. of Tokyo, 5.JAMSTEC/BIOGEOS, 6.Kochi Univ.)

Mon. Apr 28, 2014 6:15 PM - 7:30 PM Poster (3F)

Poster
| Symbol M (Multidisciplinary and Interdisciplinary)
| M-IS Intersection

[M-IS25_28PO1] Evolution of the Pelagic Realm

6:15 PM - 7:30 PM

[MIS25-P01] Is the growth hiatus of ferromanganese crusts a local or global event?

*Tatsuo NOZAKI¹, Kosuke T. GOTO², Ayaka TOKUMARU³, Yutaro TAKAYA⁴, Katsuhiko SUZUKI¹, Qing CHANG¹, Jun-ichi KIMURA¹, Yasuhiro KATO⁴, Gen SHIMODA², Takashi TOYOFUKU⁵, Akira USUI⁶, Tetsuro URABE³ (1.JAMSTEC/IFREE, 2.AIST/GSJ, 3.Univ. of Tokyo, 4.Univ. of Tokyo, 5.JAMSTEC/BIOGEOS, 6.Kochi Univ.)

Fri. May 2, 2014 2:15 PM - 4:00 PM 423 (4F)

Oral
| Symbol M (Multidisciplinary and Interdisciplinary)
| M-IS Intersection

[M-IS27_2PM1] MarineMarine manganese deposits: Origin, growth processes, and environment

2:30 PM - 2:45 PM

[MIS27-02] Comparing rare earth elements in the surface layers of ferromanganese crusts and ambient seawater from the Takuyo Daigo

*Ayaka TOKUMARU¹, Yanbei ZHU², Tatsuo NOZAKI³, Yutaro TAKAYA⁴, Kosuke T. GOTO⁵, Katsuhiko SUZUKI³, Qing CHANG³, Jun-ichi KIMURA³, Yasuhiro KATO⁴, Akira USUI⁶, Tetsuro URABE⁷, Yohey SUZUKI¹ (1.Dept. Earth Planet., Univ., Tokyo, 2.NIST/AIST, 3.IFREE/JAMSTEC, 4.Dept. System Innovation, Univ. of Tokyo, 5.GSJ/AIST, 6.Natural Sciences Cluster, Kochi Univ., 7.JMEC)

Fri. May 2, 2014 4:15 PM - 5:30 PM Poster (3F)

Poster
| Symbol M (Multidisciplinary and Interdisciplinary)
| M-IS Intersection

[M-IS27_2PO1] MarineMarine manganese deposits: Origin, growth processes, and environment

4:15 PM - 5:30 PM

[MIS27-P02] Uranium isotope composition in ferromanganese crusts: Implications for the paleoredox proxy

*Kosuke T. GOTO¹, Ariel D. ANBAR², Gwyneth W. GORDON², Stephen J. ROMANIELLO², Gen SHIMODA¹, Yutaro TAKAYA³, Ayaka TOKUMARU³, Tatsuo NOZAKI⁴, Katsuhiko SUZUKI⁴, Shiki MACHIDA⁵, Takeshi HANYU⁴, Akira USUI⁶ (1.GSJ, AIST, 2.Arizona state University, 3.The University of Tokyo, 4.JAMSTEC, 5.Waseda University, 6.Kochi University)