Figures F1-F40
Tables
T1-T3
F1. Basalt breccia containing clasts of aphyric and plagioclase-olivine phyric basalt.
F2. Euhedral clinopyroxene growth into a miarolitic cavity, now filled with calcite.
F3. Skeletal olivine microphenocrysts and plagioclase sheaf quench texture in aphyric basalt.
F4. Wide spherulitic chilled margin (between 124 and 128 cm.
F5. Calcarenite sediment partially enclosing a plagioclase-olivine phyric basalt clast.
F6. Basalt breccia with lithic-rich calcareous sediment matrix.
F7. Calcarenite.
F8. Unaltered glass shard in a calcareous breccia matrix.
F9. Laminated palagonite clast in calcareous breccia.
F10. Vermiform palagonite clast in calcareous breccia.
F11. Moderately plagioclase-olivine phyric basalt.
F12. Plagioclase + olivine glomerocryst.
F13. Plagioclase partially enclosed in olivine.
F14. Typical quench groundmass texture of moderately plagioclase-olivine phyric basalt.
F15. Miarolitic cavity with enlarged Fe-Ti oxides and elongate clinopyroxene.
F16. Fe oxyhydroxides and clay alteration around a miarolitic cavity.
F17. Glassy chilled margin.
F18. Chilled margin on plagioclase-olivine phyric basalt.
F19. Fragments of glass + palagonite in clay sediment.
F20. Micritic calcite sediment attached to a basalt piece and continuous with a micritic calcite vein.
F21. Lithic fragments in a micritic calcite vein.
F22. Micritic calcite vein crosscutting basalt wall rock.
F23. Boundary of a partially recrystallized micritic vein.
F24. Partially recrystallized calcite vein.
F25. Partially altered basalt glass shard in calcareous sediment.
F26. Calcite veins dissecting basalt.
F27. Boundary of micritic vein partially recrystallized to very finely crystalline sparry calcite.
F28. Highly altered basalt clast within micritic calcite vein.
F29. Basalt fragment incorporated into calcite vein.
F30. Irregular sparry calcite vein boundary in basalt.
F31. Palagonite fragment within a micritic calcite vein.
F32. Plagioclase within micritic calcite vein.
F33. Calcite replacing olivine phenocryst.
F34. Plot of fracture + vein density.
F35. Track chart of the JR SCS survey line S6.
F36. SCS profile of line S6 from shotpoints 1 to 170.
F37. Color variation in Core 187-1157A-1W.
F38. Major element compositions of basalts from Holes 1157A and 1157B vs. MgO.
F39. Trace element compositions of basalts from Holes 1157A and 1157B vs. MgO.
F40. Variations of Zr/Ba vs. Ba and Na2O/TiO2 vs. MgO for Hole 1157A and Hole 1157B basaltic glass and whole rock.
T1. Coring summary, Site 1157.
T2. Rock samples for cultures, DNA analysis, SEM/TEM, and contamination studies.
T3. Compositions of basalts, Site 1157.
