Sample: 90AMm-1 dark

Sample ID:	90AMm-1 dark ^[1]
Station ID:	90AMM-1
AT Num:
Volcano:	Redoubt
Possible source:
Eruption:	Redoubt 1989/12
Collector:	Miller, T. P.
Date sampled:	1990-01-01
Sample type 1:	Lahar
Color:
Final unit:
Text Description:	Dark portion of a dense, prismatically jointed, dark gray block of dome with 'veins' of light gray lava comingled with the dark gray host lava. Sample is from mudflow deposits in Drift River. Sample is from the January 2, 1990 Redoubt eruption.
Sample Location:

References Cited

[1] Geochemistry of the 1989-1990 eruption of Redoubt Volcano: Part II, Evidence from mineral and glass chemistry, 1994

Swanson, S. E., Nye, C. J., Miller, T. P., and Avery, V. F., 1994, Geochemistry of the 1989-1990 eruption of Redoubt Volcano: Part II, Evidence from mineral and glass chemistry: in Miller, T. P., (ed.), The 1989-1990 eruptions of Redoubt Volcano, Alaska, Journal of Volcanology and Geothermal Research, v. 62, n. 1-4, p. 453-468.

Alaska Volcano Observatory

Sample: 90AMm-1 dark

References Cited

[1] Geochemistry of the 1989-1990 eruption of Redoubt Volcano: Part II, Evidence from mineral and glass chemistry, 1994