Samples obtained!

Recently I received permission from the Mexican government for destructive stable isotope analysis on the faunal collections from the Tehuacán Valley of Puebla, Mexico. Last week I was able to transport them to the UNAM Stable Isotope Laboratory where, with the help of Dr. Rocío Hernández, I will be analyzing all 200 specimens for stable isotope ratios of d13C and d18O in bone carbonate and d13C and d15N in bone collagen.

By analyzing these deer, dog, and rabbit bones we will be able to better interpret human paleodiet signals, and the resulting stable isotope values will provide valuable information on how the local environment may have changed over the 10,000 years of continuous human occupation in the valley.

IMG_20180326_113141186
Dog, deer, and rabbit bones awaiting analysis

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