Documents
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Carbon 13/12 and nitrogen 15/14 isotope ratios in skeletons from the Jornada areaessay 1993 • MacNeish, Richard S. & Marino, Bruno
Middle-Late Desert Archaic • North America > Southwest and Basin
MacNeish and Marino discuss the results of 'stable isotope ratios of carbon and nitrogen derived from bone collagen to provide estimates of diet' (page 117) in the Jornada region. Their analysis 'indicates a trend toward greater consumption of C4 pla...