1. Proterozoic seawater — felsic volcanics interaction W. Bergslagen, Sweden. Evidence for high REE mobility and implications for 1.8 Ga seawater compositions

   • James H. Baker
   • Pier A. de Groot

   OriginalPaper Pages: 119 - 130

2. Geochemistry of the Shuksan greenschists and blueschists, North Cascades, Washington: Variably fractionated and altered metabasalts of oceanic affinity

   • M. A. Dungan
   • J. A. Vance
   • D. P. Blanchard

   OriginalPaper Pages: 131 - 146

3. Relative elemental mobility during hydrothermal alteration of a basic sill, Isle of Skye, N.W. Scotland

   • A. P. Dickin
   • N. W. Jones

   OriginalPaper Pages: 147 - 153

4. Geochemistry of cumulus peridotites and gabbros from the Marum ophiolite complex, northern Papua New Guinea

   • A. L. Jaques
   • B. W. Chappell
   • S. R. Taylor

   OriginalPaper Pages: 154 - 164

5. The role of speciation in alkaline igneous fluids during fenite metasomatism

   • D. C. Rubie
   • W. D. Gunter

   OriginalPaper Pages: 165 - 175

6. The transition from alkali basalts to kimberlites: Isotope and trace element evidence from melilitites

   • C. Alibert
   • A. Michard
   • F. Albarède

   OriginalPaper Pages: 176 - 186

7. Petrogenesis of the Elzevir batholith and related trondhjemitic intrusions in the grenville province of eastern Ontario, Canada

   • C. Pride
   • J. M. Moore Jr

   OriginalPaper Pages: 187 - 194

8. Uni- and divariant equilibria between staurolite, Chloritoid, Garnet, Chlorite, Biotite in medium pressure meta-acidites from lorient-concarneau area (South Brittany, France)

   • C. Triboulet

   OriginalPaper Pages: 195 - 204

9. Origin of CaCl₂ brines by basalt-seawater interaction: Insights provided by some simple mass balance calculations

   • Lawrence A. Hardie

   OriginalPaper Pages: 205 - 213

10. The experimental determination of activities in disordered and short-range ordered jadeitic pyroxenes

    • T. J. B. Holland

    OriginalPaper Pages: 214 - 220

11. Primary fractionation and secondary alteration within an Archean ultramafic lava flow

    • A. E. Beswick

    OriginalPaper Pages: 221 - 231

12. Phase relations in transitional and alkali basaltic glasses from Iceland

    • Peter Thy

    OriginalPaper Pages: 232 - 251

13. Eifelite, KNa₃Mg₄Si₁₂O₃₀, a new mineral of the osumilite group with octahedral sodium

    • K. Abraham
    • W. Gebert
    • G. Hentschel

    OriginalPaper Pages: 252 - 258

14. Origin of Archean anorthosites: Evidence from the Bad Vermilion Lake anorthosite complex, Ontario

    • L. D. Ashwal
    • D. A. Morrison
    • J. Wood

    OriginalPaper Pages: 259 - 273

15. A re-assessment of phase equilibria involving two liquids in the system K₂O-Al₂O₃-FeO-SiO₂

    • G. M. Biggar

    OriginalPaper Pages: 274 - 283

16. Discussion of “A re-assessment of phase equilibria involving two liquids in the system K₂O-Al₂O₃-FeO-SiO₂,” by G.M. Biggar

    • E. Roedder

    OriginalPaper Pages: 284 - 290

17. The low temperature field of liquid immiscibility in the system K₂O-Al₂O₃-FeO-SiO₂ with special reference to the join fayalite-leucite-silica

    • I. C. Freestone
    • R. Powell

    OriginalPaper Pages: 291 - 299

18. International Mineralogical Association (IMA) Fourteenth General Meeting, July 1986

    Announcement Pages: A3 - A3