Table of Contents

Articles

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  Some mineralogical equilibria in the system K ₂ O-Al ₂ O ₃ -SiO ₂ -H ₂ O

  John Julian Hemley

  American Journal of Science April 1959, 257 (4) 241-270; DOI: https://doi.org/10.2475/ajs.257.4.241
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  The magnetic field in a primary meteorite body

  John F. Lovering

  American Journal of Science April 1959, 257 (4) 271-275; DOI: https://doi.org/10.2475/ajs.257.4.271
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  Petrofabric study of Conestoga limestone from Hanover, Pennsylvania

  Richard P. Nickelsen and Gerardo Wolfgang Gross

  American Journal of Science April 1959, 257 (4) 276-286; DOI: https://doi.org/10.2475/ajs.257.4.276
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  The system Na (sub 2CO ₃ -NaHCO ₃ -CO ₂ - H ₂ O at temperatures up to 200 degrees

  A. J. Ellis

  American Journal of Science April 1959, 257 (4) 287-296; DOI: https://doi.org/10.2475/ajs.257.4.287
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  Phase equilibria in the system manganese oxide-SiO ₂ in air

  Arnulf Muan

  American Journal of Science April 1959, 257 (4) 297-315; DOI: https://doi.org/10.2475/ajs.257.4.297
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  The analcime-jadeite phase boundary; some indirect deductions

  William S. Fyfe and G. W. Valpy

  American Journal of Science April 1959, 257 (4) 316-320; DOI: https://doi.org/10.2475/ajs.257.4.316