Table of Contents 



Page 

 PREFACE vii 



CHAPTER I. GLOBAL VENT PROCESSES 



Session Summary: Global Vent Processes 



Stephen R. Hammond 1 



Gorda Ridge and Mid-Atlantic Ridge: New Frontiers 



for Undersea Research. Peter A. Rona 3 



The Geochemistry of Submarine Venting Fluids at Axial 



Volcano, Juan de Fuca Ridge: New Sampling Methods 



and a Vents Program Rationale. Gary J. Massoth, 



Hugh B. Milburn, Stephen R. Hammond, David A. 



Butterfield, Russell E. McDuff, & John E. Lupton 29 



The Caldera of Axial Volcano— Remote Sensing and 



Submersible Studies of a Hydrothermally Active 



Submarine Volcano. R. W. Embley, S. R. Hammond 



& K. Murphy 61 



Seabeam Backscatter Analysis Applied to the 



Classification of Deep-Sea Volcanic Terrains. 



Christopher G. Fox & Marijke van Heeswijk 71 



The Presence and Potential Impact of Geothermal 



Activity on the Chemistry and Biology of Yellowstone 



Lake, Wyoming. J. Val Klump, Charles C. Remsen, & 



Jerry L. Kaster 81 



Biological Influences on Mineral Deposition at 



Deep-Sea Hydrothermal Vents. S. Kim Juniper, 



Verena Tunnicliffe, & A. R. Fontaine 99 



Gulf of Mexico Hydrocarbon Seep Ecosystem Studies. 



James M. Brooks, Eric N. Powell, Mahlon C. 



Kennicutt, II, Robert S. Carney, Ian R. MacDonald, 



Susanne J. McDonald, Robert R. Bidigare, & 



Terry L. Wade 119 



Biology and Ecology of the Oregon Continental 



Shelf Edge Associated With the Accretionary Prism. 



Andrew G. Carey, Jr., David L. Stein, Gary L. Taghon, 



& Anne E . DeBevoise 137 



in 



