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Par Johan Rivalland. Le titre de l’ouvrage est bien vu. Car en écoutant la plupart de nos politiques et des économistes qui les environnent, nous pouvons avoir vraiment l’impression que l’argent est devenu magique. Et il est un fait que bercer les Français de ce conte pour enfants est extrêmement dangereux. Il fut un temps pas si lointain où – bien que la France fût déjà bien endettée – injecter quelque 17 milliards d’euros dans des mesures destinées à calmer les révoltes paraissait presque insensé, vu la situation de nos finances. Il est à craindre que face à ce qu...

Jian Xu; Xiao-Ping Xia; Qiang Wang; Christopher J. Spencer; Bin He ... Abstract: The mechanisms and processes by which subducted slab interacted with mantle plume remain controversial, as direct observation of such interaction is difficult to impossible. Compositional heterogeneity of large igneous provinces (LIPs) additionally makes plume-slab interaction hard to detect. Oxygen isotopes are sensitive enough to trace the source of magmas. Here we provide evidence for plume-slab interaction mainly based on in situ zircon Hf-O isotope analyses, as well as whole-rock elemental and Sr-Nd-Hf isoto...

Boulder, Colo., USA: GSA's dynamic online journal, Geosphere, posts articles online regularly. Locations studied this month include the western Himalaya, the boundary between the southern Coast Ranges and western Transverse Ranges in California, the northern Sierra Nevada, and northwest Nepal. Marine sedimentary records of chemical weathering evolution in the western Himalaya since 17 Ma Peng Zhou; Thomas Ireland; Richard W. Murray; Peter D. Clift Abstract: The Indus Fan derives sediment from the western Himalaya and Karakoram. Sediment from International Ocean Discovery Program drill sites ...