Hydrothermal processes at mid-ocean ridges

Hydrothermal processes at mid-ocean ridges, Susan E. Humphris, Dept. of Geology & Geophysics, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts. Introduction. Distribution and Temporal Variability of Submarine Hydrothermal Systems. East Pacific Rise at 9-10 N. Juan de Fuca Ridge. Mid-Atlantic Ridge. Working Models Relating Hydrothermalism to Volcanic and Tectonic Activity. Rock-Water Interactions in the Oceanic Crust. Evolution of Permeability and its Relation to Off-Axis Hydrothermal Circulation. Outstanding Problems and Future Directions. References.
U.S. National Report to IUGG, 1991-1994, Rev. Geophys. Vol. 33 Suppl., 1995 American Geophysical Union.