Magmatic gases, their trip fromthe mantle to the surface ofthe Earth
JSPS Asia-Africa Science Platform Program
International Seminar AASPP-Misasa

27 February 2006, Misasa, Japan
Sponsored by:
Japan Society for the Promotion of Science (JSPS)
Institute for Study of the Earth's Interior, Okayama University (ISEI)
Organized by:
Minoru Kusakabe (ISEI), andShigeru Yamashita (ISEI)

Third Circular
14 February 2006
PROGRAMSESSION PRTOCOLLOCAL TRANSPORTATIONGENERAL INFORMATIONPROGRAMOVERVIEW
Monday 27 February 2006, Hotel Blanc Art Misasa
08:00

Registration desk opens.

09:00-10:25

Oral session (Main Hall)

10:25-10:50

Coffee break

10:50-12:05

Oral session (Main Hall)

12:05-13:30

Lunch (Dining Room, 2nd Floor)

13:30-14:45

Oral session (Main Hall)

14:45-15:05

Coffee break

15:05-17:00

Oral session (Main Hall)

17:00-17:15

Coffee break

17:15-19:00

Poster session (Small Hall)

19:30-21:30

Banquet (Main Hall)

ORAL SESSION (MAIN HALL)
Monday 27 February, 09:00-17:00
Chair: Yamashita, S.
09:00

Kusakabe, M.
Opening:JSPS’s Asia-Africa Science Platform Program.

09:10

01. Varekamp, J.C.
The salt of the earth: origin and fluxes of volcanic Cl.

09:35

02. Taran, Y.
Nitrogen and Argon in volcanic and hydrothermal fluids. Implications forthe volatile budget in subduction zones.

10:00

03. Notsu, K.
"Visible degassing vs. invisible degassing" during magmatic evolution.

10:25

Coffee break

Chair: Taran, Y.
10:50

04. Shinohara, H. & Witter, J.
Magmatic degassing during mild-Strombolian activity of Villarrica
volcano, Chile.

11:15

05. Saito, G.
Magma degassing of Satsuma-Iwojima volcano: constraints from melt
inclusions, petrology and volcanic gases.

11:40

06. Delmelle, P., Allen, A.G., Delfosse, T., Gauthier, P-J., Lewicki, J.L.,
Mather, T.A., McGonigle, A.J.S., Oppenheimer, C., Pyle, D.M., Stix, J. &William-Jones, G.
Ten years of degassing at Masaya volcano, Nicaragua: what have welearned?

12:05

Lunch (Dining Room, 2nd floor)

Chair: Shinohara, H.
13:30

07. Bernard, A., Mazot, A., Barbier, B. & Huda, H.
The monitoring of volcanic lakes in Indonesia: from ground to spacemeasurements.

13:55

08. Ohba, T., Nakamura, K., Ohwada, M., Hirabayashi, J. & Nogami, K.
Volcanic hydrothermal system of Mt. Kusatsu-Shirane, Japan hosting
the active crater lake Yugama.

14:20

09. van Bergen, M., Sumarti, S. & Martinez, M.
Crater lakes and the transfer of mantle-derived volatiles to the humanenvironment.

14:45

Coffee breakChair: Kusakabe, M.
15:05

10. Yokoyama, T., Aka, F., Kusakabe, M. & Nakamura, E.
Melting processes beneath Mt. Cameroon: constraints from U-Th-Raand Sr-Nd-Pb isotope systematic.

15:30

11. Aka, F.T., Yokoyama, T., Kusakabe, M. & Nakamura, E.
The age of Lake Nyos, Cameroon, using U-Th-Ra disequilibria.

15:55

12. Tanyileke, G.
The rationale for degassing Lakes Nyos and Monoun.

16:20

13. Kusakabe, M.
35 years of diversity -stable isotope geochemistry, volcano-fluid
interaction, and geochemistry linked to mitigation of natural disasters-

POSTER SESSION (SMALL HALL)
Monday 27 February, 17:15-19:00
P01

Ngako, V., Njonfang, E., Aka, T.F., Affaton, P. & Metuk Nnange, J.
The north - south Paleozoic to Quaternary trend of alkaline magmatismfrom Niger-Nigeria to Cameroon: complex interaction between hotspots
and Precambrian faults.

P02

Gemechu, M., Kobayashi, K. & Nakamura, E.
Mineralogy and geochemistry of mantle derived xenoliths and hostrocks from Ethiopia.

P03

Kabeto, K. & Nakamura, E.
Petrogenetic study of high-Ti Ethiopian flood basalt province: case study
from Maichew area.

P04

Bizuneh, T.D., Kobayashi, K. & Nakamura, E.
Petrogenetic study of Cenozoic volcanism in Yabello and Amaro regions,Southern Ethiopia.

P05

Yoshida, Y.
Construction of rafts for Nyos-Monoun Degassing Project.

P06

Nagao, K., Kusakabe, M., Yoshida, Y. & Tanyileke, G.
Magmatic noble gases in the crater lakes Nyos and Monoun.

P07

Goto, S.
The mask culture of Cameroon: a case study of Nkambe, Cameroon
highlands.

P08

Sano, Y., Takahata, N. & Seno, T.
Geographical distribution of 3He/ 4He ratios in the Chugoku district,
Southwestern Japan.

P09

Ohwada, M., Kazahaya, K., Itoh, J., Takahashi, M., Morikawa, N.,
Takahashi, H.A., Inamura, A., Nakama, A., Handa, H., Yasuhara, M. &Tsukamoto, H.
Geochemical study on groundwater and thermal water in and around
Iwate volcano, Japan: dispersion feature of magmatic volatiles throughthe groundwater flow system.

P10Ishibashi, J., Seguchi, M., Ogawa, K., Nakaseama, M., Yamanaka, T. &Kusakabe, M.
Hydrothermal circulation within modern sediment layer in a shallow
submarine volcano, Wakamiko crater, south Kyushu, Japan.

P11Takano, B. & Nakamura, K.
Geochemical characterization of subaqueous molten Sulfur at active
crater lakes.

P12Tsunogai, U., Komatsu, D.D., Ijiri, A. & Nakagawa, F.
Carbon and oxygen isotopic equilibrium in fumarolic CO: applications forremote temperature measurements.

P13

Bhalla, P., Holtz, F., Linnen, R.L., Behrens, H. & Diedrich, O.
Effect of T, fO2, volatiles and composition on the solubility of cassiterite(SnO2) in evolved granites.

P14

Yamashita, S.
Energetic property of magma degassing: a thermodynamic model.

CONFERENCE BANQUET
Monday 27 February, 19:30-21:30
Main Hall, Hotel Blanc Art Misasa

SESSION PROTOCOL
Oral session
The oral session will be held in the Main Hall (4th floor, approx. 100 seats) in HotelBlanc Art Misasa. You are requested to use a PC projector (connector: D-sub mini 15pin) for PowerPoint presentation. A PC notebook computer for PowerPoint
presentation will be available. If you wish to use this computer please come to theregistration desk with your PowerPoint file (in either CD or USB flash memory) before
8:30 AM. If you wish to use your own computer for presentation please contact ourstaff in advance at the registration desk.

Poster session
The posters will be displayed in the Small Hall next to the main hall where oral
session is held. The maximum poster size is 90 cm (width) x 180 cm (height). Pushpins will be available at the registration desk. The posters can be put up in themorning before the oral session starts at 9:00 AM. Remove your poster after the coretime (19:00).

LOCAL TRANSPORTATION
Free-of-charge bus: The Organizers will provide a free-of-charge bus service
connecting the conference site and JR Kurayoshi Station in the morning and eveningof Monday 27 February. The time table is given below.
JR Kurayoshi Sta.,
extra bus stop
07:50
08:15
Conference Site,Blanc Art Misasa
21:45
22:00Kurayoshi City
Hotel
07:55
08:20
ISEI Entrance
21:50
22:05

ISEI Entrance
08:05
08:30
Kurayoshi CityHotel
22:00
22:15

Conference Site,Blanc Art Misasa
08:10
08:35
JR Kurayoshi Sta.,
extra bus stop
22:05
22:20

Public bus service: Public buses for Misasa-Spa leave from JR Kurayoshi Station(bus spot #3), daily at 07:41, 08:35, 09:18, 09:45; 10:15, 10:55, 12:35, 13:05,13:55, 14:42, 15:20, 16:30, 17:45, 18:10, 18:14, and 19:10. Public buses for JR
Kurayoshi Station leave at the Misasa Spa bus stop, daily at 06:46, 08:33, 09:00,09:38, 10:20, 11:05, 12:00, 13:09, 14:24, 14:36, 15:33, 16:27, 17:00, and 18:37.
Taxi: Our staff at the registration desk can arrange a taxi if you wish to go to yourhotel in Kurayoshi.
Conference site: Hotel Blanc Art Misasa, - Address: Misasa 388-1, Misasa, Tottori
682-0123, Tel: 0858-43-2211

GENERAL INFORMATION
Registration desk
The registration desk will be open from 16:30 to 18:00 on Sunday (26 February),and from 08:00 to 19:00 on Monday (27 February) at Hotel Blanc Art Misasa, theconference site (4th floor). You are requested to pay the registration fee at theregistration desk. Note that only Japanese yen in cash is acceptable. You will
receive a name badge, abstract volume etc. at the registration desk.

Catering
All costs for the following catering are included in your full registration fee.
Refreshments: Coffee, tee and doughnut will be offered at the conference site.
Lunch: Japanese-style lunch boxes are offered at the dining room in the conferencesite (2nd floor).
Banquet: The conference banquet will be held in the evening of 27 February, from19:30 to 21:30, at the main hall in the conference site (4th floor).

Currency exchange
Overseas participants are strongly recommended to exchange your currency into
Japanese yen at the International Narita-Tokyo or Osaka-Kansai Airport. There are
no international currency exchange facilities in Misasa. Please also note that ATMs atJapanese banks do not accept credit cards issued in other countries.

International Seminar AASPP-Misasa
http://www.misasa.okayama-u.ac.jp/AASPP/
Minoru Kusakabe (kusakabe@misasa.okayama-u.ac.jp), andShigeru Yamashita (shigeru@misasa.okayama-u.ac.jp)
Organizers of the Seminar
Institute for Study of the Earth’s Interior
Okayama University
Misasa, Tottori-ken 682-0193, Japan
Tel: +81-858-43-3737 (M.K.) and -3738 (S.Y.)
Fax: +81-858-43-2184 and –3450