Ius Chasma - Surface Manipulation

CJ: The manipulating agents and the location of this surface manipulation make it an interesting example of emergence. The source of the images is here:

http://www.nasa.gov/multimedia/imagegallery/image_feature_1177.html

Notice some of the words used to describe the "stratigraphic layers modified by wind and water": interchanging, layers, deposits, process,...

Naturally occurring systems/phenomena are valuable precedents that can be used as inspiration in our own scripted emergent systems.