Sample: UA1297


Sample ID: UA1297 [1] [2]
Station ID: Palisades_Site_A
AT Num:
Volcano:
Possible source: Drum
Eruption: Drum Sheep Creek Tephra-F
Collector: Jensen, B. J. L.
Date sampled:
Sample type 1: Tephra Fall
Color:
Final unit:
Text Description: A thin (<1 cm), phenocryst-rich tephra, characterized by abundant frothy pumice shards, is present 18 m above river level; upper and lower contacts are sharp and locally undulatory with several cm of relief. The tephra bed hosts very thin whisps of tan silt.
Sample Location:

References Cited

[1] A late-Middle Pleistocene (Marine Isotope Stage 6) vegetated surface buried by Old Crow tephra at the Palisades, interior Alaska, 2010

Reyes, A.V., Jensen, B.L., Zazula, G.D., Ager, T.A., Kuzmina, Svetlana, La Farge, Catherine, and Froese, D.G., 2010, A late-Middle Pleistocene (Marine Isotope Stage 6) vegetated surface buried by Old Crow tephra at the Palisades, interior Alaska: Quaternary Science Reviews, v. 29, n. 5-6, p. 801-811, doi:10.1016/j.quascirev.2009.12.003

[2] 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