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Sample: 83RJ284

Sample ID: 83RJ284 [1]
Station ID: 83Rj284
AT Num:
Volcano: Edgecumbe
Possible source: Edgecumbe
Eruption:
Collector: Riehle, J. R.
Date sampled: 1983-08-02
Sample type 1: Tephra Fall
Color:
Final unit:
Text Description: Lapillus of massively bedded black and red scoriaceous fallout lapilli adjacent to dome; slightly sintered locally densely fused. 53.6% incipiently devitrified groundmass 10.2% plagioclase grains (some embayed or having fretted interiors) clinopyroxene 1.3% orthopyroxene 1.3% macrovesicles 33.6%
Sample Location:

References Cited

[1] Pyroclastic deposits of the Mount Edgecumbe volcanic field, Southeast Alaska: eruptions of a stratified magma chamber, 1992

Riehle, J. R., Champion, D. E., Brew, D. A., and Lanphere, M. A., 1992, Pyroclastic deposits of the Mount Edgecumbe volcanic field, Southeast Alaska: eruptions of a stratified magma chamber: Journal of Volcanology and Geothermal Research, v. 53, n. 1, p. 117-144.