Chemical alteration of the Pleistocene sediments under influence basaltic sills in the Guaymas Basin, Gulf of CaliforniaEvgenii Goncharov, Victor Kurnosov, Yurii Konovalov, Alfred Geptner, Konstantin Galin and Nikolaii IgnatyevE3S Web Conf., 98 (2019) 08004DOI: https://doi.org/10.1051/e3sconf/20199808004