SE47 Structure and composition of oceanic lithosphere
.3 Processes of crustal accretion at mid-oceanic-ridges

Convener: Escartin, J.
Co-Convener(s): Bonatti, E.; Canales, J.P.; Cochran, J.R.; Hekinian, R.
Wednesday, 22 April 1998
Lecture Room: R10

Chairperson: N.N.

• 09:00 COCHRAN, J.R.; WEST, B.P.; SYLVANDER, B.; CHRISTIE, D.M.
  Rift propagation on the southeast Indian ridge
• 09:15 CANNAT, M.
  Crustal thickness, regional axial depth and melting parameters at slow spreading mid-ocean ridges (Solicited Paper)
• 09:45 ILDEFONSE, B.; HIRTH, G.; JOHN, B.; TRIMBY, P.; YOSHINOBU, A.; ODP LEG 176 SCIENTIFIC PARTY
  Structural evolution of the lower crust at slow-spreading ridge: preliminary results from ODP LEG 176, site 735B, south west Indian ridge (Solicited Paper)
• 10:15 HERTOGEN, J.; ODP LEG 176 SHIPBOARD SCIENTIFIC PARTY
  Accretion of oceanic layer 3 at the very-slow spreading SW Indian Ridge, ocean drilling program hole 735B
• 10:30 SEARLE, R.C.; SLOOTWEG, P.; LEE, S.-M.; MEVEL, C.; TAMAKI, K.; FUJI SCIENTIFIC PARTY
  Detailed near-bottom sidescan observation of the southwest Indian Ridge
• 10:45 MULLER, M.R.; MINSHULL, T.A.; WHITE, R.S.
  Crustal structure and segmentation on the SWIR at 660E
• 11:00 CANALES, J.P.; DETRICK, R.S.
  Segment-scale crustal structure variations within the rift mountains of the Mid-Atlantic Ridge (35###N) (Solicited Paper)

11:30 LUNCH

12:00 Business Meetings

Chairperson: N.N.

• 14:00 GOSLIN, J.; THIROT, J.L.; NOEL, O.; FRANCHETEAU, J.
  Correlations between geophysical and geochemical observables along the mid-Atlantic ridge: slow-ridge/hotspot interactions
• 14:15 BAZIN, S.; HARDING, A.J.; ORCUTT, J.A.
  Comparison of crustal structure beneath a robust and a non robust region of the SEPR
• 14:30 ESCARTIN, J.
  Abundance of serpentinized peridotite in the lower oceanic crust from seismic velocites
• 14:45 BONATTI, E.; LIGI, M.; BORTOLUZZI, G.; CARRARA, G.; FABRETTI, P.; GILOD, D.; PEYVE, A.A.; SKOLOTNEV, S.; TURKO, N.
  Mantle thermal anomalies influence the stability of Bouvet triple junction
• 15:00 HEBERT, H.; DEPLUS, C.; DIAMENT, M.; HUCHON, P.; KHANBARI, K.
  Geophysical study of a young spreading ridge and its segmentation: the western Gulf of Aden
• 15:15 CRAWFORD, W.C.; WEBB, S.C.; HILDEBRANDT, J.A.
  Comparing crustal melt at the east Pacific rise and the Juan de Fuca ridge
• 15:30 LALOU, C.; MÜNCH, U.; HALBACH, P.; REYSS, J.L.
  Different periods of hydrothermal activity at the meso zone, Central Indian Ridge (CIR)
• 15:45 PROCKTER, L.M.; HEAD III, J.W.; WILSON, L.; SMITH, D.K.
  Life cycles of axial volcanic ridges: morphological comparisons between the mid-Atlantic ridge and the Reykjanes ridge
• 16:00 CHERKACHEV, G.; POROSHINA, I.; CRANE, K.
  Geological setting of the areas of hydrothermal activity on the Knipovich Ridge
• 16:15 PEZARD, P.A.; EINAUDI, F.; SCIENTIFIC PARTY OF ODP LEG 174B
  Constraints on high frequency eruption dynamics at MOR's from downhole electrical images
• 16:30 END OF SESSION