Sample: 06AUMC009.L1


Sample ID: 06AUMC009.L1 [1]
Station ID: 06AUMC009
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: Lithic sample, presumably of pre-existing dome. Initial sample was 15x12x15 cm weighing approximately 2 kg. Sample is a flat-sided, irregular hexagon column fragment, and is uniformly 40% gray; groundmass is dominantly coarsely crystalline plagioclase and pyroxene, approximately 5% void space (voids <1 mm); medium gray interstitial groundmass is finely crystalline, +/- glass.
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].