Events

  CHOOSE HOW YOU WILL ATTEND Join us in person University of Arizona Environmental Resources Bldg. # 2  Room 107, Agnese Nelms Haury Lecture Hall, 1064 E Lowell St, Tucson, […]

Cultural chronologies in the desert basins of the Southwestern U.S. rely on radiocarbon dates and ceramic sequences that are limited in terms of resolution. More precise dating methods, such as dendrochronology, have not been traditionally applied here due to the limited number of datable trees in arid locales.

Distributed amidst the petroglyphs at three of the largest Ancestral O’odham (Hohokam) petroglyph sites in Southern Arizona are assemblages of boulders that resonate when struck producing distinct bell-like sounds.  The visual traces of sound-making on large bell rocks and adjacent bedrock indicate they were not only chimed with percussion strikers to resonate with sound but also were abraded with a grinding motion to produce volumes of sound.

Lectures are offered in a hybrid format, presented in person at the University of Arizona in Tucson, Building ENR2, Agnese Nelms Haury Lecture Hall, Room 107, and simultaneously through Zoom. […]