Publikationen in Zusammenarbeit mit Forschern von Centre National de la Recherche Scientifique (11)

1999

  1. The effect of organic matter on chemical weathering: Study of a small tropical watershed: Nsimi-Zoetele site, Cameroon

    Geochimica et Cosmochimica Acta, Vol. 63, Núm. 23-24, pp. 4013-4035

1996

  1. A geochronological 40Ar/39Ar and 87Rb/87Sr study of K-Mn oxides from the weathering sequence of Azul, Brazil

    Geochimica et Cosmochimica Acta, Vol. 60, Núm. 12, pp. 2219-2232

  2. Pseudomorphic replacement versus dilation in laterites: Petrographic evidence, mechanisms, and consequences for modelling

    Journal of Geochemical Exploration, Vol. 57, Núm. 1-3, pp. 217-225

1995

  1. Behaviour of major and trace elements and fractionation of REE under tropical weathering of a typical apatite-rich carbonatite from Brazil

    Earth and Planetary Science Letters, Vol. 136, Núm. 3-4, pp. 591-602

  2. Short-lived U and Th isotope distribution in a tropical laterite derived from granite (Pitinga river basin, Amazonia, Brazil): Application to assessment of weathering rate

    Earth and Planetary Science Letters, Vol. 136, Núm. 3-4, pp. 703-714

1992

  1. Equatorial rain forest lateritic mantles: a geomembrane filter

    Geology, Vol. 20, Núm. 6, pp. 523-526

1990

  1. REE pattern in apatites from the Juquia carbonatite, Brazil

    Chemical Geology, Vol. 84, Núm. 1-4, pp. 378-380

1989

  1. DIAGENESIS OF THE UPPER PROTEROZOIC SILICICLASTICSEDIMENTS OF THE TAOUDENI BASIN (WEST AFRICA) AND RELATION TO DIABASE EMPLACEMENT1

    Journal of Sedimentary Research, Vol. 59, Núm. 2, pp. 233-248

  2. Estimated solubility products and fields of stability for cryptomelane, nsutite, birnessite, and lithiophorite based on natural lateritic weathering sequences

    American Mineralogist, Vol. 74, Núm. 3-4, pp. 466-475

1985

  1. ( Nodules and pisolites from manganiferous weathering profiles under lateritic influences. Examples from Ivory Coast and Gabon).

    Sciences Geologiques - Bulletin, Vol. 38, Núm. 4, pp. 359-381

  2. L'alteration lateritique debutante des pyroxenites de Jacuba, Niquelandia, Bresil.

    Clay Minerals, Vol. 20, Núm. 1, pp. 93-113