Geologist Andrew Snelling explains how the scale of geologic processes, such as volcanic eruptions, was much larger in the past than is observed in the present. He then shows how Catastrophic Plate Tectonics helps explain the geologic processes that caused the global Flood. Dr. Snelling completed a BS in applied geology at the University of New South Wales in Sydney, Australia, graduating with first-class honors in 1975. His PhD in geology was awarded in 1982 by The University of Sydney for his