Sample: UA2134


Sample ID: UA2134 [1]
Station ID: Jensen_Palisades_East
AT Num:
Volcano:
Possible source:
Eruption:
Collector: Jensen, B. J. L.
Date sampled:
Sample type 1: Tephra Fall
Color: white
Final unit:
Text Description: Collected ~25 m above river level on the west side of a major gully that forms Site E (Reyes and others, 2011). The white tephra bed was reworked into pods up to 2.5 cm thick and 30 cm long, 15 cm above a cryoturbated peaty soil with a distinct B-horizon. The tephra was not in direct stratigraphic association with any other tephra, though OCt was found on the eastern side of the gully ~15 m above river level (Reyes and others, 2011). Glass morphology dominated by tri-cuspate and bubble-walled shards and thick-walled pumice. Glass shards are relatively blocky, and microlites were common.
Sample Location:

References Cited

[1] The Palisades is a key reference site for the middle Pleistocene of eastern Beringia: new evidence from paleomagnetics and regional tephrostratigraphy, 2013

Jensen, B.J.L., Reyes, A.V., Froese, D.G., and Stone, D.B., 2013, The Palisades is a key reference site for the middle Pleistocene of eastern Beringia: new evidence from paleomagnetics and regional tephrostratigraphy: Quaternary Science Reviews, v. 63, p. 91-108, http://dx.doi.org/10.1016/j.quascirev.2012.11.035