Genesis of an Artifact Layer: Natural and Cultural Processes at the La Playa Archaeological Site, Sonora, Mexico - Reconstructing Human-Landscape Interactions: Interpreting Desert and Fluvial Environments - page 28

Fig. 5 Contour map illustrating the elevation of the artifact layer. Contour interval is 1 m. Note
the slope of the cultural layer to the southwest
structures. The stratigraphic sections indicate that the deposits are primarily very
fine-grained sand with interbedded silt. The silt is largely homogenous and
similar to the underlying La Playa silt, although faint horizontal laminations are
present. The laminated silt occurs within a zone where the artifact layer is