Macaronesia, Earth Sciences, Océano Atlántico, Azores, Sciences of the Universe, geochemistry, São Jorge, Mid-ocean ridges, Earth, Azores triple junction, Mantle, K/Ar, Magma, MAR, volcanic ridge evolution, Macaronésia, Macaronésia, Macaronésia, Macaronésia, Macaronésia, Macaronesian, Macaronésia, Macaronesian, Macaronésie, Macaronésia, Macaronesian, Macaron...