Geological prior information, and its application to geoscientific problems, R A Wood and A Curtis • An introduction to prior information derived from probabilistic judgments: elicitation of knowledge, cognitive bias and herding, M C Baddeley, A Curtis and R A Wood • Stratal patterns and lithofacies of an intact seismic-scale Carboniferous carbonate platform (Asturias, NW Spain): a virtual outcrop model, K Verwer, J A M Kenter, B Maathuis and Della Porta • Digital field data acquisition: towards increased quantification of uncertainty during geological mapping, R R Jones, K J W McCaffrey, R W Wilson and R E Holdsworth • Three-dimensional geological models from outcrop data using digital data collection techniques: an example from the Tanqua Karoo depocentre, South Africa, D Hodgetts, N J Drinkwater, D M Hodgson, J Kavanagh, S S Flint and K J Keogh • Sensitive dependence, divergence and unpredictable behaviour in a stratigraphic forward model of a carbonate system, P M Burgess and D J Emery • Input uncertainty and conditioning in siliciclastic process modeling, D M Tetzlaff • Classical logic and the problem of uncertainty, C A Pshenichny • Optimal elicitation of probabilistic information from experts, A Curtis and R A Wood • Interactive inverse methodology applied to statigraphic forward modeling, C Wijns, T Poulet, F Boschetti, C Dyt and C M Griffiths • Building confidence in geological models, R A Bowden • Lithospheric structure of the Canadian Shield inferred from inversion of surface-wave dispersion with thermodynamic a priori constraints, N M Shapiro, M H Ritzwoller, J C Mareschal and C Jaupart • Beyond kriging: dealing with discontinuous spatial data fields using adaptive prior information and Bayesian Partition Modeling, J Stephenson, K Gallagher and C C Holmes • Using prior subsidence data to infer basin evolution, N White •