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Sample: Kit-64_220-226

Sample ID: Kit-64_220-226 [1]
Station ID: Kit-64
AT Num:
Volcano: Espenberg
Possible source: Espenberg
Eruption: Espenberg South Killeak Maar
Collector: Unknown, Unknown
Date sampled:
Sample type 1: Tephra Fall
Color:
Final unit:
Text Description: Sub-sample of 1 m thick layer of volcanic air-fall tephra. All samples between 243 and 155 cm yielded a similar basltic-tachybasaltic to basaltic andesitic glass composition pointing to a single eruption source for the entire layer. However, differences in particle size indicated different eruption phases of unknown duration. Sharp edges and pronounced vesicles of glass shards indicate a low stage of alteration or only very limited redeposition processes.
Sample Location:

References Cited

[1] Mid-Wisconsin to Holocene Permafrost and Landscape Dynamics based on a Drained Lake Basin Core from the Northern Seward Peninsula, Northwest Alaska, 2015

Lenz, Josefine, Grosse, Guido, Jones, B.M., Anthony, K.M.W., Bobrov, Anthony, Wulf, Sabine and Wetterich, Sebastian, 2015, Mid‐Wisconsin to Holocene Permafrost and Landscape Dynamics based on a Drained Lake Basin Core from the Northern Seward Peninsula, Northwest Alaska: Permafrost and Periglacial Processes, v. 27, no. 1, p. 56-75.