Chemistry of the subalkalic silicic obsidians / by ..., Robert L. Smith and John E. Thomas

Macdonald, Ray

Chemistry of the subalkalic silicic obsidians / by ..., Robert L. Smith and John E. Thomas - Washington : U. S. Govt. Print. Off., 1992 - 214 p. - United States. Geological Survey. Professional paper ; no. 1523 .


Obsidian--Composition

QE75 P9 no. 1523
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