POLLEN AND ORGANIC RESIDUE (FTIR) ANALYSIS FOR SITE LA 49917/17041, EDDY COUNTY, NEW MEXICO

Two samples from metates recovered at sites LA 49917 and LA 17041 in Eddy County, New Mexico were examined for pollen and organic residues, the latter using Fourier Transform Infrared Spectroscopy (FTIR). Pollen analyses will be used to provide subsistence information concerning plant resources utilized by the various occupants of these sites. FTIR analyses will be used to provide information concerning organic residues present on the groundstone.从美国新墨西哥州埃迪县LA 49917与LA 17041遗址出土的2件磨石臼标本，分别开展了花粉与有机残留物检测分析，其中有机残留物检测采用傅里叶变换红外光谱（Fourier Transform Infrared Spectroscopy，FTIR）技术。花粉分析将用于获取这些遗址不同使用者群体所利用的植物资源相关的生计信息；傅里叶变换红外光谱分析则将用于获取该类磨石表面附着的有机残留物相关信息。