PROGRAM
September 20, 2006
8.30 – 8.40 Welcome
8.40 – 9.30 H.J.B. Dick, J. Standish and J.E. Snow (invited)
ULTRASLOW SPREADING RIDGES
9.30 – 10.20 P. J. Michael, C.H. Langmuir, S.L. Goldstein, D.W. Graham, D. Ionov and A.K. Matzen (invited)
VOLATILE AND TRACE ELEMENT CONSTRAINTS ON SOURCES OF GAKKEL MORB
10.20 – 10.40 Coffee break
10.40 – 11.00 S. Goldstein, G. Soffer, C.H. Langmuir, K. Lehenert, Y. Cai and P.J. Michael
ISOTOPE GEOCHEMISTRY OF GAKKEL RIDGE BASALTS AND ORIGIN OF A “DUPAL”
SIGNATURE
11.00 – 11.20 J.E. Snow, E. Hellebrand, A. von der Handt, F. Nauret, Y. Gao, S. Feig, Z. Jovanovic and S. Gauger
ARTIC LENA TROUGH IS NOT A MID-OCEAN RIDGE
11.20 – 11.40 F. Nauret, D. Weis and J.E. Snow
ISOTOPE GEOCHEMISTRY OF LENA TROUGH
11.40 – 12.00 A. Cipriani, D. Brunelli, M. Ligi and E. Bonatti
FROM MAGMA-ENGORGED TO MAGMA STARVED “CONSTIPATED” LITHOSPHERE: THE MID ATLANTIC RIDGE FROM 40°N TO THE EQUATOR
12.00 – 12.20 D. Brunelli, R. Clocchiatti, A. Cipriani, M. Ligi, E. Paganelli and E. Bonatti
SNAPSHOTS OF THE MAGMA PLUMBING SYSTEM FROM MELT INCLUSION AND RESIDUAL PERIDOTITES OF THE VEMA LITHOSPHERIC SECTION (MAR 11°N)
12.20 – 12.40 J. Lissenberg and H.J.B. Dick
MINERAL CHEMISTRY OF GABBROS FROM THE KANE CORE COMPLEX (MID-ATLANTIC RIDGE): FOCUSED CRUSTAL ACCRETION AND MELT-ROCK REACTION
12.40 – 13.00 A.J.S. Kvassnes, C. Devey and H.J.B. Dick
THE COMPOSITION OF THE MIDDLE AND LOWER CRUST AT ULTRASLOW RIDGES
13.00 – 14.30 Lunch
14.30 – 14.50 A. Zanetti, M. D’Antonio, P. Spadea, R. Vannucci and N. Raffone
MULTISTAGE EVOLUTION OF THE FOREARC PERIDOTITES FROM THE IZU-BONIN-MARIANA SUPRA-SUBDUCTION ZONE
14.50 – 15.40 W. Jokat, Schmidt Aursch, M. Urlaub and V. Leinweber (invited)
GEOPHYSICAL INVESTIGATIONS IN THE ARCTIC ALONG ULTRA-SLOW RIDGE – A STATUS REPORT
15.40 – 16.00 V. Schlindwein, C. Muller and W. Jokat
MICROSEISMICITY STUDIES YIELD INSIGHT INTO THE ACTIVE RIFTING PROCESSES OF ULTRASLOW-SPREADING RIDGES
16.00 – 16.20 COFFEE BREAK
16.20 – 16.40 B.E. Tucholke, M. Behn, R. Buck, R. Qin and J. Lin
DEVELOPMENT OF LONG-LIVED NORMAL FAULTS AT MAGMA-LIMITED MID-OCEAN RIDGES
16.40 – 17.00 J.R. Cochran
DISTRIBUTION AND NATURE OF VOLCANISM AND FAULTING ALONG THE WESTERN GAKKEL RIDGE (6°W - 30°E)
17.00 – 19.00 Poster session
20.00 Social dinner at the hotel Vis a Vis
Overnight
September 21, 2006
8.30 – 9.20 O. Müntener (invited)
MANTLE DOMAIN BOUNDARIES IN NASCENT OCEANIC CRUST: EXAMPLES FROM THE SOUTHERN NORTH ATLANTIC AND THE ‘FOSSIL’ PIEMONT LIGURIAN OCEAN
9.20 – 9.40 O. Jagoutz, O. Müntener, G. Manatschal, D. Rubatto and I.M. Villa
MAGMATIC ACTIVITY IN THE TIME AND SPACE WITHIN AN EMBRYONIC MAGMA-POOR OCEAN CRUST
9.40 – 10.00 E. Rampone and G. Borghini
MANTLE PROCESSES AT SLOW SPREADING EXTENSIONAL SETTINGS: INSIGHTS FROM THE LONG-LIVED LITHOSPHERIC EVOLUTION OF THE ERRO-TOBBIO PERIDOTITES
(LIGURIAN ALPS, ITALY)
10.00 – 10.20 A. Montanini, R. Tribuzio and L. Vernia
MANTLE-CRUST EVOLUTION AND MAGMATIC ACTIVITY DURING CONTINENTAL BREAKUP AND OCEAN OPENING RECORDED BY THE EXTERNAL LIGURIDE OPHIOLITES (NORTHERN APENNINES, ITALY)
10.20 – 10.50 Coffee break
10.50 – 11.10 R. Tribuzio, A Montanini and M.F. Thirlwall
ORIGIN OF GARNET PYROXENITES FROM A NON-VOLCANIC RIFTED MARGIN (EXTERNAL LIGURIDE OPHIOLITES, NORTHERN APENNINES, ITALY)
11.10 – 11.30 C. Liu, J.E. Snow, E. Hellebrand, G. Brügmann and A. von der Handt
OS ISOTOPIC COMPOSITIONS OF ABYSSAL PERIDOTITES FROM GAKKEL RIDGE: IMPLICATIOS FOR HETEROGENEITY IN THE OCEANIC MANTLE
11.30 – 11.50 A. Von der Handt, J.E. Snow and E. Hellebrand
A QUANTITATIVE ASSESSMENT OF MELT ORIGIN VERSUS SUBSOLIDUS FORMATION OF PLAGIOCLASE IN GAKKEL RIDGE PERIDOTITES
11.50 – 12.10 G. Borghini, P. Fumagalli and E. Rampone
THE SUBSOLIDUS SPINEL TO PLAGIOCLASE TRANSITION IN MANTLE PERIDOTITES: NATURAL AND EXPERIMENTAL CONSTRAINTS
12.10 – 12.40 G.B. Piccardo, A. Zanetti, E. Poggi, G. Spagnolo and O. Müntener
MANTLE PROCESSES IN THE THERMAL BOUNDARY LAYER: EVIDENCE FROM THE LANZO SOUTH PERIDOTITE (NW-ITALY)
12.40 – 14.30 Lunch
14.30 – 19.00 SCIENTIFIC WORKING SESSION:
14.30 – 15.30 PLENARY SESSION TO DISCUSS WORKING GROUPS AND REPORT ORGANIZATION
15.30 – 19.00 Breakout groups. Preliminary Text from breakout groups due in to leaders before dinner.
16.00 – 16.20 Coffee break
September 22, 2006
8.30 – 9.20 M. Edwards and H.N. Edmonds (invited)
THE GEOLOGICAL SETTING OF HYDROTHERMAL VENT SITES ON THE GAKKEL RIDGE
9.20 – 9.40 D.W. Graham, H.N. Edmonds, D.P. Connelly, C.R. German, P.J. Michael and J.E. Lupton
HELIUM-3, METHANE AND MANGANESE IN WATER COLUMN HYDROTHERMAL PLUMES ALONG THE ULTRA-SLOW SPREADING GAKKEL RIDGE, ARCTIC OCEAN
9.40 – 10.00 C.R. German, P. Tyler et al.
CHESSO – A NEW CHEMOSYNTHETIC ECOSYSTEMS INITIATIVE IN THE SOUTHERN OCEAN
10.00 – 10.20 T.M. Shank
BIOLOGICAL STUDIES AT HYDROTHERMAL VENTS IN POLAR REGIONS VIA AUTONOMOUS EXPLORATION AND SEAFLOOR SAMPLING
10-20 – 10.40 R. Reves-Sohn, H. Singh, T. Shark, S. Humphris, J. Seewald, D. Akin and E. Atkins
AUTONOMOUS EXPLORATION FOR HYDROTHERMAL VENTING ON THE GAKKEL RIDGE
10.40 – 11.00 Coffee break
11.00 – 11.20 G. Cherkashov, K. Tamaki, B. Baranov, K. Crane, A. Egorov, C.R. German, D.P. Connelly, T. Nagamuna, B. Nesbitt, K. Okino, H. Sato, E. Gusev and N. Suschevskaya
KNIPOVICH RIDGE: VOLCANISM, TECTONICS AND HYDROTHERMALISM
11.20 – 11.40 K. Okino and H. Kumagai
OCEANIC CORE COMPLEXES NEAR THE RODRIGUEZ TRIPLE JUNCTION: IMPLICATION FOR INTERACTION BETWEEN THE SEAFLOOR – HYDROTHERMAL ACTIVITY-ECOSYSTEM
11.40 – 12.00 F. Chalot-Prat
WAY OF EMPLACEMENT AND COMPOSITIONAL VARIATION OF MAGMA AT THE MID-OCEANIC RIFT AXIS, KEYS FOR DECIPHERING MECHANISM OF SLOW RATE SEA FLOOR SPREADING
12.00 – 12.20 G. Manatschal and O. Müntener
THE TECTONO-MAGMATIC EVOLUTION OF OCEANIC CORE COMPLEXES: THE EXAMPLE OF THE CHENAILLET OPHIOLITE IN THE WESTERN ALPS
12.20 – 14.30 Lunch
14.30 – 19.00 SCIENTIFIC WORKSHOP SESSION:
14.30 – 16.00 PRESENTATION OF BREAKOUT GROUP REPORTS.
16.00 – 16.20 Coffee break
16.20 – 19.00 Editing session.
Program – poster session
1. M. Baker, E. Ramirez-Llondra, P. Tyler and C. R. German - Biogeography of deep-water chemosynthetic ecosystems : a census of marine life field project the Polar Field Programme
2. D. Blackman and J. Collins – STRUCTURE AND DEVELOPMENT OF MAR 30°N OCEANIC CORE COMPLEX
3. E. Bonatti, G. Bortoluzzi, D. Brunelli, V. Ferrante, M. Ligi, M. Lopez Correa, F. Redini, A. Cipriani, G. Barbino, E. Carminati, A. Calafato, N.C. Mitchell, B. Sichler, M. Schmidt, N. Rasul, S.N. Al-Nomani, F. Bahreth, R.K. Farawati, S.M. Samir, A. Shawky and Y.M Al-Hazmi – TRANSITION FROM A CONTINENTAL TO AN OCEANIC RIFT IN THE NORTHERN RED SEA
4. B. Coakley and N. Amin – AUTONOMOUS BATHYMETRIC DATA ACQUISITION IN THE EURASIAN BASIN – A ROLE FOR LANGRANGIAN SWATH MAPPING?
5. R.A. Dunn, A.A. Delorey and J. Gaherty – A COMBINED RAYLEIGH WAVE, LOVE WAVE, AND GRAVITY STUDY OF THE UPPER MANTLE BENEATH THE REYKJANES RIDGE
6. E. Hellebrand, J.E. Snow, H.J.B. Dick and A. Vor der Handt – INHERITED DEPLETION IN THE OCEANIC MANTLE INFERRED FROM PERIDOTITE COMPOSITION AND DISTRIBUTION ALONG GAKKEL RIDGE
7. J.R. Hopper, T. Funck, B.E. Tucholke, H. Var Avendonk, D.J. Shillington, K.W.H. Lau, K.E. Louden, W.S. Holbrook and H.C. Larsen – SEISMIC IMAGING OF OCEANIC CRUST OFF NEWFOUNDLAND: A POSSIBLE ANALOGUE FOR ULTRA-SLOW SPREADING RIDGE
8. M. Ligi, E. Bonatti, N.R. Grindlay, J. Sclater, S. Skolotnev, A. Peyve, G. Bortoluzzi, D. Brunelli, A. Cipriani, R. Mercuri, F. Muccini, E. Paganelli, F. Zaffagnini, C. Takeuki, Y. Baramykov, N. Chamov, S. Erofeev, A. Eskin, S. Kolodyazhnyy, A. Pertsev, V. Semenov, V. Rastorgyev, N. Tsukanov, N. Turko, V. Yefimov and L. Zotov – ANDREW BAIN TRANSFORM: MULTIPLE CONTINENTAL-TYPE TRANSFORM BOUNDARIES AT MID-OCEAN RIDGE
9. A.N. Minakov, V.Y. Glebovsky and S.A Mercouriev – SPREADING ASYMMETRY ON THE GAKKEL RIDGE
10. G.B. Piccardo – PRE-OCEANIC RIFTING IN THE JURASSIC LIGURIAN TETHYS, A FOSSILE SLOW SPREADING OCEAN: THE MANTLE PERSPECTIVE
11. G.Principi, B. Treves, S. Corti, F. Menna and S. Podetti – THE GABBROIC MASSIF OF BRACCO AS WITNESS OF AN INNER CORNER SIDE OF A JURASSIC LOW SPREADING RIDGE
12. M. Segata, P. Fumagalli and E. Rampone – GRAIN GROWTH IN SPINEL AND PLAGIOCLASI PERIDOTITES: A TIME-RESOLVED EXPERIMENTAL STUDY ON TEXTURAL EVOLUTION
13. J.J Standish, H.J.B. Dick, P.J. Michael, W.J. Melson and T. O’Hearn – RIDGE GEOMETRY AND MAJOR ELEMENT CHEMISTRY ALONG THE ULTRA-SLOW SPREADIND SOUTHWEST INDIAN RIDGE (9°-25°E): THE ROLE OF PROCESS VERSUS SOURCE DURING MORB GENERATION
14. S. A. Silantyev, O. G. Bogdanovskii, P. I. Fedorov, S. F. Karpenko, and Yu. A. Kostitsyn - INTRAPLATE MAGMATISM OF THE DE LONG ISLANDS: POSSIBLE RELATIONSHIPS WITH PROPAGATION OF THE ULTRASLOW-SPREADING GAKKEL RIDGE INTO PASSIVE CONTINENTAL MARGIN OF THE EASTERN ARCTIC BASIN
