Macaronesia, Océano Atlántico, Azores, stable isotopes, Earth, Mantle, crustal recycling, mantle plume, ocean island basalts, thallium isotopes, Macaronésia, Macaronésia, Macaronésia, Macaronésia, Macaronésia, Macaronesian, Macaronésia, Macaronesian, Macaronésie, Macaronésia, Macaronesian, Macaronésie, Macaronésia, Macaronesian, Macaronésie, Macaronésia, Mac...