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COMPOSITIONAL HETEROGENEITY OF DISTAL TEPHRA DEPOSITS FROM THE 1912 ERUPTION OF NOVARUPTA, ALASKA
citation imageFederman, A. N., and Scheidegger, K. F., 1984, Compositional heterogeneity of distal tephra deposits from the 1912 eruption of Novarupta, Alaska: Journal of Volcanology and Geothermal Research, v. 21, n. 3-4, p. 233-254.

DATA TABLES *Not all tables in a publication may be listed. Not all tables from a publication have data entered in the database.
4081: Selected average glass compositions of distal tephra from the Valley of Ten Thousand Smokes
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* All measurements as wt. %. FeO* = total iron as FeO. + = sodium value by extrapolation to original count intensity (Nielsen and Sigurdsson, 1981). Values in parentheses are the standard deviations of the mean values shown. On Kodiak high silica glass is found predominantly in the in the first fall unit, while all three types are found in the second and third units, nd= not determined) *
4301: Water and quartz contents of tephra
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