Volcanic Ash (Material Keyword)
1-2 (2 Records)
Seven springs in the northern Kawich Range were investigated to determine whether Holocene volcanic ash layers exist in alluvial deposits within the Nevada Test and Training Range (NTTR). Although no discrete ash layers were visible in the exposures studied, microtephra analysis of sediment samples collected at Rose Spring and Cedar Spring revealed the presence of varying concentrations of ash shards. Radiocarbon dating and stratigraphic relationships suggest that both Mono-Inyo Craters and...
The Roosevelt Community Development Study, Number 14, Volume 1: Stone and Shell Artifacts (1995)
The Roosevelt Community Development Study (RCD) involved the testing and excavation of 27 sites in the Lower Tonto Basin of central Arizona. This is one of three related data recovery projects undertaken in the Tonto Basin for the Bureau of Reclamation prior to the raising of the Roosevelt Lake dam. The results of the RCD project are presented in four Anthropological Papers of the Center for Desert Archaeology: Anthropological Papers No. 12 is the research design; Anthropological Papers No. 13...