gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1998.62A.2.267 Fracture Cementation Mechanisms in the North Sea Pedersen T. Iden I. K. Johansen H. Institute for Energy Technology, N-2007 Kjeller, Norway 1998 62A 2 1149 1150 Copyright © 1998, The Mineralogical Society 1998