Analysis of Three Cobble Ring Sites at Abiquiu Reservoir, Rio Arriba County, New Mexico.
MARIAH ASSOCIATES INC ALBUQUERQUE NM
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During September 1987, field work was conducted at three cobble ring sites located along the upper Chama River segment of Abiquiu Reservoir. During the three weeks of field work, 32 cobble rings and 33 hearth features were mapped 13 cobble rings and 19 hearth features were tested using core augers or hand excavated test units. A number of areas at all three sites were subjected to controlled surface collections with artifact proveniencing to within one meter resolution. The occupational ages of the sites were determined from 29 cross-dated projectile points, 24 obsidian hydration dates, five radiocarbon dates, and one archaeomagnetic date. These chronometric samples indicate that the sites were intermittently occupied from the Bajada Phase of the Archaic Period through the Historic Period. K-means cluster analysis was performed on the artifact assemblages and the hearth and cobble ring features to discern and describe variability in the morphology of features and the nature of the associated artifacts. Subsistence information was obtained from analysis of pollen and macrobotanical samples recovered from hearth contexts. Charred seeds of goosefoot, purslane, and beeweed were identified. Very few faunal remains were encountered. The present investigations document the complexity of all three sites. fr
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