Fan-shaped deposits of alluvium (river or stream-bed sediment).
Alexandria Digital Library Feature Type Thesaurus
- Geology of Death Valley National Park [More info]
- Site has links to Death Valley's geologic history, rocks and minerals, geologic time, geologic maps.
- Mississippi Fan internet map [More info]
- Mississippi River alluvial fan interactive map with GIS data and imagery depicting core sites, depositional and channel interpretation, Gloria and SeaMarc datasets.