Sample: ACT-726


Sample ID: ACT-726 [1]
Station ID: ACT-726
AT Num:
Volcano:
Possible source: Aniakchak
Eruption: Aniakchak CFE II
Collector: Beget, J. E.
Date sampled:
Sample type 1: Tephra Fall
Color:
Final unit:
Text Description: 1 cm thick, located at 520 cm depth in lacustrine core. Abundant orthopyroxene, lesser amounts of clinopyroxene and amphibole (horneblend). Clear glass shards on average 50 microns in diameter, consisting largely of bubble wall junctions and platey glass shards, although blocky and pumiceous shards are also present.
Sample Location:

References Cited

[1] Age, extent, and climatic significance of the c. 3400 BP Aniakchak tephra, western Alaska, USA, 1992

Beget, James, Mason, Owen, and Anderson, Patricia, 1992, Age, extent, and climatic significance of the c. 3400 BP Aniakchak tephra, western Alaska, USA: The Holocene, v. 2, n. 1, p. 51-56.