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Sediment Analysis Of Two Archaeological Sites In The Deception Pass Area, Fidalgo Island, Washington: A Geoarchaeological Approach, Shelby Anderson
Sediment Analysis Of Two Archaeological Sites In The Deception Pass Area, Fidalgo Island, Washington: A Geoarchaeological Approach, Shelby Anderson
WWU Honors College Senior Projects
The Western Washington University’s Field School (1999 and 2000 seasons) excavated two prehistoric shell midden sites located on Lighthouse Point in the Deception Pass area, Washington. A geoarchaeological approach was taken in studying site depositional processes; grain size analysis and study of sedimentary structures present in excavation profiles provided information about both natural and cultural deposition at site SK-144 and SK-46. Grain size analysis shows that angular, unconsolidated and poorly sorted colluvial sediments compose the lower beds of SK-46. While it is thought that colluvial sediments also underlie SK-144, difficulty relocating where samples were taken from makes testing this impossible. …