Evaluated the presence of trachybasalt temper found at Chaco and Chacoan outliers
Performed geochemical analysis of sanidine identified in trachybasalt temper
Matched pottery temper with its geologic provenance in the Navajo volcanic field
Results suggest that multiple sources within the NVF were being exploited for temper.
Recommends a review of the Chaco-Chuska San Juan Basin economic exchange model