Stratigraphic relations showing the rapid development of a rich, fertile delta are compared in Mesopotamia with the generic model of delta formation suggested by Stanley, who demonstrates that development of these potting grounds for civilization would have appeared only after 6000 BC. Significantly, no comparable environmental condition existed in any great river valley for more than 100,000 years.

Copyright 1996 Kirribili Press. Return to Scientific Summary Chronological Index Ignatius Donnelly and the End of the World