PARSON, L. M. Introduction • GERMAN, C. R., BAKER, E. T. & KLINKHAMMER, G. Regional setting of hydrothermal activity KRASNOV, S. G., • POROSHINA, 1. M. & CHERKASHEV, G. A. Geological setting of high-temper ature hydrothermal activity and massive sulphide formation on fast- and slow-spreading ridges • MURToN, B. J., VAN DOVER, C. & SOUTHWARD, E. Geological setting and ecology of the Broken Spur hydrothermal vent field: 29°10'N on the Mid-Atlantic Ridge • KRASNOV, S. G., CHERKASHEV, G. A., STEPANOVA, T. V., BATUYEv, B. N., KROTOV, A. G., MALIN, B. V., MAsLov, M. N., MARKOV, V. F., POROSHINA, 1. M., SAMOVAROV, M. S., ASHADZE, A. M. & ERMOLAYEV, 1. K. Detailed geographical studies of hydrothermal fields in the North Atlantic • BAKER, E. T. Characteristics of hydrothermal discharge following a magmatic intrusion • EDMOND, J. M., CAMPBELL, A. c., PALMER, M. R., KLINKHAMMER, G. P., GERMAN, C. R., EDMONDS, H. N., ELDERFIELD, H., THOMPSON, G. & RONA, P. Time series studies of vent fluids from the TAG and MARK sites (1986, 1990) Mid-Atlantic Ridge: a new solution chemistry model and a mechanism for Cu/Zn zonation in massive sulphide orebodies • KLINKHAMMER, G. P., CHIN, C. S., WILSON, C. & GERMAN, C. R. Venting from the Mid- Atlantic Ridge at 37°17'N: the Lucky Strike hydrothermal site • JAMES, R. H., ELDERFIELD, H., RUDNICKI, M. D., GERMAN, C. R., PALMER, M. R., CHIN, C., GREAVES, M. J., GURVICH, E., KLINKHAMMER, G. P., LUDFORD,E.,MILLS,R. A., THOMSON,J. & WILLIAMS, A. C. Hydrothermal plumes at Broken Spur 29°N Mid-Atlantic Ridge: chemical and physical characteristics • PALMER, M. R., LUDFORD, E. M., GERMAN, C. R. & LILLEY, M. D. Dissolved methane aJ.ld 1 hydrogen in the Steinah6ll hydrothermal plume, 63°N Reykjanes Ridge • MILLs, R. A. Hydrothermal deposits and metalliferous sediments from TAG, 26°N 1 Mid-Atlantic Ridge • STUART, F. M., HARROP, P. J., KNOTT, R., FALLICK, A. E., TURNER, G., FOUQUET, Y. & 1 RICKARD, D. Noble gas isotopes in 25000 years of hydrothermal fluids from BON on the East Pacific Rise • DICKSON, P., SCHULTZ, A. & WOODS, A. Preliminary modelling of hydrothermal circulation 1 within mid-ocean ridge sulphide structures • PASCOE, A. R. & CANN, J. R. Modelling diffuse hydrothermal flow in black smoker vent fields • DUCKWORTH, R. C., KNOTT, R., FALLICK, A. E., RICKARD, D., MURTON, B. J. & VAN DOVER, C. Mineralogy and sulphur isotope geochemistry of the Broken Spur sulphides, 29°N Mid-Atlantic Ridge • SCOTT, S. D. & BINNS, R. A. Hydrothermal processes and contrasting styles of mineralization in the western Woodlark and eastern Manus basins of the western Pacific • KNOTT, R., FALLICK, A. E., RICKARD, D. & BAcKER, H. Mineralogy and sulphur isotope 2 characteristics of a massive sulphide boulder, Galapagos Rift, 85°55'W • CHERKASHEV, G. A. Hydrothermal input into sediments of the Mid-Atlantic Ridge • HODKINSON, R. A. & CRONAN, D. S. Hydrothermal sedimentation at ODP Sites 834 and 835 in 2 relation to crustal evolution ofthe Lau Backarc Basin • SUDARIKOV, S. M., DAVYDOV, M. P., BAZELYAN, V. L. & TARASOV, V. G. Distribution and transformation of Fe and Mn in hydrothermal plumes and sediments and the potential function of micro biocoenoses • VAN DOVER, C. L. Ecology of Mid-Atlantic Ridge hydrothermal vents • SHILLITO, B., LECHAIRE, J.-P., GOFFINET, G. & GAILL, F. Composition and morphogenesis of the tubes of vestimentiferan worms • DANDO, P. R., HUGHES, J. A. & THIERMANN, F. Preliminary observations on biological communities at shallow hydrothermal vents in the Aegean Sea • SUDARIKOV, S. M. & GALKIN, S. V. Geochemistry of the Snake Pit vent field and its implications for vent and non-'Jent fauna • RIELEY, G., VAN DOVER, C. L., HEDRICK, D. B., WHITE, D. C. & EGLINTON, G. Lipid characteristics of hydrothermal vent organisms from gON, East Pacific Rise • DIXON, D. R., JOLLIVET, D. A. S. B., DIXON, L. R. J., NOTT, J. A. & HOLLAND, P. W. H. Molecular identification of early life-history stages of hydrothermal vent organisms • COWAN, D. A. Hyperthermophilic enzymes: biochemistry and biotechnology • GERMAN, C. R. & ANGEL, M. V. Hydrothermal fluxes of metals to the oceans: a comparison with anthropogenic discharge • SPEER, K. G. & HELFRICH, K. R. Hydrothermal plumes a review of flow and fluxes • RUDNICKI, M. D. Particle formation, fallout and cycling within the buoyant and non-buoyant plume above the TAG vent field • Index