Roy H. Gabrielsen, University of Oslo, Norway, Xavier Fort, Geosciences Rennes, Université Rennes, France, and Ole Martinsen, StatoilHydro Research Center, Norway
Salt structures come in every possible shape and stretch our imagination. This means difficulties in seismic imaging, but it also means that the innovative explorationist can look for spectacular traps.
Rock folds are found in various shapes and sizes on Earth, and people are often amazed to see how large blocks of hard rocks have been folded like ocean waves. But fascination with folds is also shared by the petroleum industry. In Part I of this two-part article we unfold rock ‘folds’ to better understand their geometry and genesis.