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    Article

    Climatic and volcanic forcing of tropical belt northern boundary over the past 800 years

    The position of the northern boundary of the tropical belt affects the hydroclimate of many arid and semi-arid regions in the Northern Hemisphere. Widening of the tropical belt since the 1970s has largely been...

    R. Alfaro-Sánchez, H. Nguyen, S. Klesse, A. Hudson, S. Belmecheri… in Nature Geoscience (2018)

  2. No Access

    Article

    Aluminum-Bearing Goethite in Venezuelan Laterites

    The presence of Al-bearing goethites has been unequivocally established in Venezuelan laterite sediments by means of infrared spectroscopy (IR), chemical dissolution, and X-ray powder diffraction (XRD) methods...

    E. Mendelovici, Sh. Yariv, R. Villalba in Clays and Clay Minerals (1979)