THE BIOLOGICAL, CHEMICAL & PHYSICAL CHARACTER OF LAKE MICHIGAN

By ANDREW DAVIS

CHEMICAL CHARACTERIZATION OF OBSIDIAN IN CENTRAL WESTERN ARGENTINA AND CENTRAL CHILE: ARCHAEOLOGICAL PROBLEMS AND PERSPECTIVES APPLICATION OF PHYSICOCHEMICAL AND MACROSCOPIC METHODS TO LITHIC ARTIFACT STUDIES FROM ALERO CUEVAS SITE (SALTA, REPÚBLICA ARGENTINA): A COMPLEMENTARY APPROACH INTRASPECIFIC VARIABILITY IN THE ?13C AND ?15N VALUES OF ARCHAEOLOGICAL SAMPLES OF ZEA MAYS COBS (NORTHEASTERN ARGENTINEAN PUNA) ANCIENT DNA RESEARCH, SCOPE AND LIMITATIONS A FIRST GENETIC ANALYSIS OF MUSEUM SAMPLES FROM SAN JULIÁN, SANTA CRUZ, ARGENTINA DETERMINATION OF AGE AND SEX ON DENTAL PIECES OF LAMA GUANICOE: A METHODOLOGICAL APPROACH METHODOLOGICAL PROPOSAL TO IDENTIFY IRRIGATION CANALS USING DIATOMS AS BIOMARKERS: PEÑAS COLORADAS (ANTOFAGASTA DE LA SIERRA, SOUTHERN PUNA OF ARGENTINA) PALEOENVIRONMENTAL STUDIES OF THE QUEBRADA DE LAPAO, JUJUY PROVINCE, ARGENTINA (23º 22’ 01” S, 66º 21’ 52,8” W, 3650 M A S L ) FOR THE 9400-7300 YRS B P SPAN POLLEN ANALYSIS OF PASTOS CHICOS: PALEOENVIRONMENTAL AND ARCHEOLOGICAL IMPLICATIONS DURING THE HOLOCENE IN THE DRY PUNA OF ARGENTINA IN PURSUIT OF THE FIRE CONTRIBUTIONS OF MICROCHARCOAL ANALYSIS TO THE ARCHAEOLOGY OF THE AMBATO VALLEY (CATAMARCA) ON STEWS AND SEDIMENTS: CONTRIBUTIONS OF EXPERIMENTAL FIELD AND LAB ARCHAEOLOGY TO THE STUDY OF SEDIMENTOLOGICAL MODIFICATIONS