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 We analyze geophysical data that extend from 0 to 25-Myr-old seafloor on both flanks of the Southwest Indian Ridge (SWIR). Lineated marine magnetic anomalies are consistent and identifiable… (More)
Abstract : Half of the ocean crust is formed at spreading centers with total opening rates less than 40 km/Myr. The objective of this Thesis is to investigate temporal variations in active ridge… (More)
We present the crustal and mantle velocity structure along the strike of the eastern rift mountains at 35°N on the Mid-Atlantic Ridge. These results were obtained by an inversion of ∼1800 Pg/Pn and… (More)
Context. The plateau in the abundance of 7 Li in metal-poor stars was initially interpreted as an observational indicator of the primordial lithium abundance. However, this observational value is in… (More)