Sample: 06AUMC010.p1


Sample ID: 06AUMC010.p1 [1]
Station ID: 06AUMC010
AT Num:
Volcano: Augustine
Possible source:
Eruption: Augustine 2005/12
Collector: Coombs, M. L.
Date sampled: 2006-02-20
Sample type 1: pyroclastic density current
Color: gray
Final unit: 2006_Cpf
Text Description: 22x12x10 cm sample of cinderblock pumice, weighing 2.4 kg, and is 30% gray throughout., 15% plagioclase phenocrysts 2-3mm long. Groundmass is largely crystalline, equigranular plagioclase plus pyroxene held together by threads of glass which are generally parallel, suggesting directional shear. Irregular void spaces are <1-10 mm in size.
Sample Location:

References Cited

[1] Petrology and geochemistry of the 2006 eruption of Augustine Volcano, 2010

Larsen, J.F., Nye, C.J., Coombs, M.L., Tilman, Mariah, Izbekov, Pavel, and Cameron, Cheryl, 2010, Petrology and geochemistry of the 2006 eruption of Augustine Volcano, chapter 15 of Power, J.A., Coombs, M.L., and Freymueller, J.T., eds., The 2006 eruption of Augustine Volcano, Alaska: U.S. Geological Survey Professional Paper 1769, p. 335-382 and spreadsheets [http://pubs.usgs.gov/pp/1769/chapters/p1769_chapter15].