636 SEDIMENTARY PROCESSES/Catastrophic Floods Figure 11 Subglacially eroded rip up clast deposited by the November 1996 jokulhlaup near to the glacier margin Figure 12 Role of channel geometry in controlling the morphology and sedimentology of flood deposits Adapted from Baker (1984) Flood sediments in bedrock fluvial systems In: Koster EH and Steel RJ (eds.) Sedimentology of Gravels and Conglomerates Canadian Society of Petroleum Geologists Memoir 10, pp 87 98