Table of Contents

Articles

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  Late Proterozoic stratigraphy and structure in the Avalonian magmatic arc, southwest of Boston, Massachusetts

  Margaret D. Thompson

  American Journal of Science October 1993, 293 (8) 725-743; DOI: https://doi.org/10.2475/ajs.293.8.725
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  Probable glacial climatic conditions in source areas during deposition of parts of the Ash Hollow Formation, Ogallala Group (late Tertiary), of western Nebraska

  P. E. Helland and R. F. Diffendal

  American Journal of Science October 1993, 293 (8) 744-757; DOI: https://doi.org/10.2475/ajs.293.8.744
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  Calculation of multicomponent chemical equilibria in gas-solid-liquid systems; calculation methods, thermochemical data, and applications to studies of high-temperature volcanic gases with examples from Mount St. Helens

  Robert B. Symonds and Mark H. Reed

  American Journal of Science October 1993, 293 (8) 758-864; DOI: https://doi.org/10.2475/ajs.293.8.758
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  Erratum; Fluid flow and chemical reaction kinetics in metamorphic systems

  Antonio C. Lasaga and Danny M. Rye

  American Journal of Science October 1993, 293 (8) 867; DOI: https://doi.org/10.2475/ajs.293.8.867