STRATIGRAPHIC PHYTOLITH ANALYSIS AT 35-JE-51B, NORTHERN OREGON
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Phytolith samples were examined from three columns at 35-JE-51B to
establish a pattern of expected phytolith recovery from non-feature areas and to
examine any changes in vegetation in pre-Mazama and post-Mazama times through the
phytolith record. Strata examined represent a paleosol probably representing a
lengthy period of formation prior to the Mount Mazama eruption and two columns
comprised of post-Mazama deposition. One sample from each of these columns
appears to have been associated with a house feature. The bases of the post-
Mazama columns appears to date to approximately 5,000 BP and 1,000 to 2,000 BP.
创建时间：
2013-01-31
