Origins of Carbonates and Organic Matter in a 2.6 Ga Palaeosol Section at Schagen, Eastern Transvaal, South Africa
Y. Watanabe, J. E. J. Martini and H. Ohmoto
Graduate School of Sciences, Tohoku University, Sendai, 980-8578, Japan
Geological Survey of South Africa, Private Bag X112, Pretoria, South Africa
Department of Geosciences, The Pennsylvania State University, University Park, Pa. 16082, USA