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Sample: AL4-445

Sample ID: AL4-445 [1]
Station ID: AL-4
AT Num:
Volcano:
Possible source:
Eruption:
Collector: Kaufman, D. S.
Date sampled:
Sample type 1: Tephra Fall
Color:
Final unit:
Text Description: ~1 to ~2 cm below tephra D. Thin (~0.5 cm), dark tephra with a fine grain size (~40% coarse silt and no fine sand). Composed of mainly altered, platy, brown glass shards. Phnocrystic; vesicles are few and mainly equant and spindle.
Sample Location:
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Red (Warning)
Orange (Watch)
Yellow (Advisory)
Green (Normal)
Uninstrumented

50 km
50 mi
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References Cited

[1] A record of late Holocene glacier fluctuations, Ahklun Mountains, southwestern Alaska, 2002

Levy, L.B., 2002, A record of late Holocene glacier fluctuations, Ahklun Mountains, southwestern Alaska: Northern Arizona University M.S. thesis, 71 p.