Table of Contents

Geologic Setting.- Photographic Techniques.- Submarine Volcanic Products.- Volcanic Vents.- Major Flow Units.- Individual Flow Units.- Bulbous Pillows.- Flattened Pillows.- Elongate Pillows.- Hollow Pillows.- Knobby Pillows.- Trapdoor Pillows.- Sheet Flows.- Flow Foot Rubble and Talus.- Features of Pillow Crust.- Faults and Related Tectonic Features.- Tensional Fissures.- Gjar.- Isolated Fault Block.- Small-scale Grabens.- Fault Scarps of Inner Floor.- Simple Fault Scarps.- Rotated and Tilted Blocks.- Slump Notches.- Patterns of Faulting.- Faulted Sedimentary Rock.- Rift Valley Walls.- References Cited.