Join Arizona Geological Survey geologist Steve Rauzi and a team of Conoco geoscientists as they raft through Grand Canyon examining the Precambrian Chuar Group. The trip, which occurred in 1996, begins at Lees Ferry and ends at river-mile 225.
The San Pedro River is Arizona's last undammed river. Joe Cook and his colleagues at the Arizona Geological Survey recently mapped the extent of Holocene channel and floodplain alluvium there. This 122-mile map story from the US-Mexico Frontier to Winkelman, Arizona, shows you the San Pedro River Valley as seen through the eyes of a geologist.
Geotourism in the desert Southwest is powered by the intrinsic quality and accessibility of geoheritage sites or features. According to the Geological Society of America, “Geoheritage” applies to sites or areas of geologic features with ‘significant scientific, educational, cultural, and/or aesthetic value.’ This certainly includes a number of geologic features and landforms encountered in southern Arizona and northern Sonora, Mexico.