Home
Volcanoes
Webcams
News
Explore Data
Images
Get Involved
About AVO

Sample: UA1874

Sample ID: UA1874 [1] [2]
Station ID: Halfway_House
AT Num:
Volcano:
Possible source:
Eruption:
Collector: Preece, S. J.
Date sampled:
Sample type 1: Tephra Fall
Color: yellow-white
Final unit:
Text Description: Sample likely collected at ~1.5 m, from a continuous, yellow-white bed up to 0.5 cm thick. Glass morphology consists almost entirely of blocky, thick-walled pumice that have small evenly distributed vesicles and abundant phenocrysts and microlites.
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

[2] 150,000 years of loess accumulation in central Alaska, 2016

Jensen, B. J., Evans, M. E., Froese, D. G., and Kravchinsky, V. A., 2016, 150,000 years of loess accumulation in central Alaska: Quaternary Science Reviews, v. 135, p. 1-23.