1. Two calc-alkaline volcanic trends in the Archean: Trace element evidence

   • Thomas E. Ewing

   OriginalPaper Pages: 1 - 7

2. Petrogenesis of leucite-bearing lavas in the Roman volcanic Region, Italy

   • A. Cundari

   OriginalPaper Pages: 9 - 21

3. The Shaw bomb, an ideal hydrogen sensor

   • W. D. Gunter
   • J. Myers
   • J. R. Wood

   OriginalPaper Pages: 23 - 27

4. Igneous geochemistry of mafic rocks in the Betts Cove ophiolite, Newfoundland

   • R. A. Coish
   • W. R. Church

   OriginalPaper Pages: 29 - 39

5. Crystal chemistry of Fe-Mg-carpholites

   • K. Viswanathan
   • E. Seidel

   OriginalPaper Pages: 41 - 47

6. Ultramafic inclusions and high-pressure xenocrysts in submarine basanitoid, equatorial Mid-Atlantic Ridge

   • John M. Sinton

   OriginalPaper Pages: 49 - 57

7. An experimental study of Fe-Mg partitioning between garnet and olivine and its calibration as a geothermometer

   • Hugh St. C. O'Neill
   • B. J. Wood

   OriginalPaper Pages: 59 - 70

8. An elevated temperature X-ray study of synthetic disordered Na-K alkali feldspars

   • C. M. B. Henderson

   OriginalPaper Pages: 71 - 79

9. Strontium isotope geochemistry of a low potassium olivine tholeiite and two basalt-pyroxene andesite magma series from the Medicine Lake Highland, California

   • Stanley A. Mertzman Jr.

   OriginalPaper Pages: 81 - 88

10. Abyssal tholeiites from the Oceanographer Fracture Zone

    • Tsugio Shibata
    • Stephen E. DeLong
    • David Walker

    OriginalPaper Pages: 89 - 102

11. Isotopic dating of the emplacement of the ultramafic masses in the Serrania de Ronda, Southern Spain

    • H. N. A. Priem
    • N. A. I. M. Boelrijk
    • R. H. Verschure

    OriginalPaper Pages: 103 - 109