Mantle and lower crust exposed in oceanic ridges and in ophiolites / Мантия и нижняя кора представленные в океанических хребтах и офиолитах

PART I: MARINE STUDIES

An Ultramafic Lift at the Mid-Atlantic Ridge: Successive Stages of Magmatism in Serpentinized Peridotites from the 15°N Region. Mathilde Cannat and lohn F Casey 

Gabbroie Dikelets in Serpentinized Peridotites from the Mid-Atlanti Ridge at 23°20'N P. Tartarotti, M. Cannat and C. Me el 

Mafic and Ultramafic Intrusions into Upper Mantle Peridotites from Fast Spreading Centers of the Easter Micropiate (South East Pacific) M. Constantin, R. Hekinian, D. Ackermand and P. Stoffers

PART 11: OPHIOLITE STUDIES

Plastic Deformation of Gabbros in a Slow-spreading Mesozoie Ridge: Example of the Montgenevre Ophiolite, Western Alps R. Caby 

Pre-orogenic High Temperature Shear Zones in an Ophiolite Complex (Bracco Massif, Northern Apennines, Italy) Giancarlo Molli 

A Detailed Study of Mantle Flow away from Diapirs in the Oman Ophiolite B. Ildefonse, S. Billiau and A. Nicolas 

PART III: NUMERICAL MODELLING

Non Steady-State Thermal Model of Spreading Ridges: Implications for Melt Generation and Mantle Outcrops Chan tal Tisseau and Thierry Tonnerre