Mireille PolvéClaude J. Allg`reElsevier B.V.Earth & Planetary Science LettersPolve´, M. & Alle`gre, C. J. (1980). Orogenic lherzolite complexes studied by 87Rb-87Sr: a clue to understand the mantle convection processes? Earth and Planetary Science Letters 51, 71-93....