Sample: UA1477


Sample ID: UA1477 [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 to pink
Final unit:
Text Description: Found within the adjacent gully, within the MIS 5e forest bed (~28-30 m above river level), which contains large Picea logs that are locally upright and rooted (Reyes and others, 2010). The tephra is white to pink, and is present as discontinuous pods up to 1 cm thick. Glass shards are typically tri-cuspate or bubble walled. Pumice is also present and commonly elongate, and brown glass is present. Mineralogy consists largely of orthopyroxene and plagioclase.
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