Preface, I McDonald • Economic natural resource deposits at terrestrial impact structures, R A F Grieve • Gold mineralization within the Witwatersrand Basin, South Africa: evidence for a modified placer origin, and the role of the Vredefort impact event, C L Hayward, W U Reimold, R L Gibson and L J Robb • Metallogenic fingerprints of Archaean cratons, M de Wit and C Thiart • Controls on the heterogeneous distribution of mineral deposits through time, D I Groves, R M Vielreicher, R J Goldfarb and K C Condie • Pre-mineralization thermal evolution of the Palaeoproterozoic gold-rich Ashanti belt, Ghana, V Harcou?t, L Guillou-Frottier and A Bonneville • Geodynamic processes that control the global distribution of giant gold deposits, K Leahy, A C Barnicoat, R P Foster, S R Lawrence and R W Napier • Terrane and basement discrimination in Northern Britain using sulphur isotopes and mineralogy of ore deposits, D Lowry, A J Boyce, A E Fallick, W E Stephens and N V Grassineau • A reassessment of the tectonic zonation of the Uralides: implications for metallogeny, R J Herrington, V N Puchkov and A S Yakubchuk • The terrestrial record of stable sulphur isotopes: a review of the implications for evolution of Earth's sulphur cycle, J Farquhar and B A Wing • Reactive iron enrichment in sediments deposited beneath euxinic bottom waters: constraints on supply by shelf recycling, R Raiswell and T F Anderson • Distinguishing biological from hydrothermal signatures via sulphur and carbon isotopes in Archaean mineralizations at 3.8 and 2.7 Ga, N V Grassineau, P W U Appel, C M R Fowler and E G Nisbet • Diamond mega-placers: southern Africa and the Kaapvaal craton in a global context, B J Bluck, J D Ward and M C J deWit • The formation of economic porphyry copper (-gold) deposits: constraints from microanalysis of fluid and melt inclusions, C A Heinrich, W Halter, M R Landtwing and T Pettke