Long-term redox front formation: Influence of biogenic activity on matrix diffusion Yoshida, H. ; Yamamoto, K. ; Yogo, S. ; Milodowski, A. E. ; Metcalfe, R. Abstract Publication: Geochimica et Cosmochimica Acta Supplement Pub Date: September 2003 Bibcode: 2003GeCAS..67R.569Y