Archaeological Research Facility

The Newman Dome pyroxene dacite dome complex in the Taos Plateau Volcanic Field is a prominent stone tool raw material that was used for stone tool production for at least 11,000 years throughout northern New Mexico and southern Colorado, and perhaps beyond(Boyer 2010; Newman and Nielsen 1987; Shackley 2011a; Vierra 2010; Figures1 and 2 herein). The analysis here of 24 source samples is an extension of the earlier study (Shackley 2011a) and indicates that this extensive dacite dome complex is compositionally homogeneous in trace elements at least in the northern and central portion of the dome complex