1. Uranium-lead isotope systematics and apparent ages of zircons and other minerals in precambrian granitic rocks, Granite Mountains, Wyoming

   • K. R. Ludwig
   • J. S. Stuckless

   OriginalPaper Pages: 243 - 254

2. The geochemical origin of sepiolite and kerolite at Amboseli, Kenya

   • Ronald K. Stoessell
   • Richard L. Hay

   OriginalPaper Pages: 255 - 267

3. Empirical estimation of magnetite/liquid distribution coefficients for some transition elements

   • W. P. Leeman
   • M. -S. Ma
   • R. A. Schmitt

   OriginalPaper Pages: 269 - 272

4. The potential source of lead in the Permian Kupferschiefer bed of Europe and some selected Paleozoic mineral deposits in the Federal Republic of Germany

   • Karl Hans Wedepohl
   • Maryse H. Delevaux
   • Bruce R. Doe

   OriginalPaper Pages: 273 - 281

5. Exsolution in terrestrial and lunar plagioclases revealed by chemical etching

   • M. W. Wegner
   • R. E. Jones
   • J. M. Christie

   OriginalPaper Pages: 283 - 291

6. Fluid inclusions, deformation and recrystallization in granite tectonites

   • Ronald W. T. Wilkins
   • John P. Barkas

   OriginalPaper Pages: 293 - 299

7. Petrogenesis of Archaean ultrabasic and basic volcanics: Evidence from rare earth elements

   • Shen -Su Sun
   • Robert W. Nesbitt

   OriginalPaper Pages: 301 - 325

8. The coarsening kinetics associated with exsolution in an iron-free clinopyroxene

   • Robert H. McCallister

   OriginalPaper Pages: 327 - 331

9. Chloritoid-bearing pelitic rocks of the Horsethief Creek Group, Southeastern British Columbia

   • R. Douglas Cruickshank
   • Edward D. Ghent

   OriginalPaper Pages: 333 - 339

10. Pyrope-spinel (alkremite) xenoliths from kimberlite

    • P. H. Nixon
    • N. A. Chapman
    • J. J. Gurney

    OriginalPaper Pages: 341 - 346

11. A population analysis for Be and B oxyanions

    • J. L. Schlenker
    • D. T. Griffen
    • G. V. Gibbs

    OriginalPaper Pages: 347 - 350