Figures F1-F46
Table
T1
F1. Map of the eastern Indian Ocean showing major physiographic features and pre-Leg 183 sites where igneous basement was recovered.
F2. Plate reconstructions of the southern Indian Ocean.
F3. Bathymetry of the Kerguelen Plateau.
F4. Satellite-derived free-air gravity map of the Kerguelen Plateau.
F5. Bathymetry of Broken Ridge.
F6. Satellite-derived gravity field for Broken Ridge.
F7. Kerguelen hot spot magma output since ~130 Ma.
F8. Total alkalis vs. SiO2 plot for classifying tholeiitic and alkalic basalts.
F9. 143Nd/144Nd vs. 87Sr/86Sr showing data points for basalts recovered from the Kerguelen Plateau and Broken Ridge.
F10. 208Pb/204Pb vs. 206Pb/204Pb showing measured data points for basalts recovered from the Kerguelen Plateau and Broken Ridge.
F11. Abundance ratios of (Th/Nb)N vs. (La/Nb)N.
F12. Initial 87Sr/86Sr vs. (La/Nb)N showing the positive correlation that arises from an increasing proportion of a continental crust component in the Bunbury Basalt of southwest Australia.
F13. Ti/Zr vs. MgO for basalts from Broken Ridge and the Kerguelen Plateau.
F14. LIP drilling strategies.
F15. Summary of drill sites on the Kerguelen Plateau and Broken Ridge that recovered volcanic rocks.
F16. Rig Seismic RS180/201 multichannel seismic profile across Site 1135.
F17. Marion Dufresne MD47/10 multichannel seismic profile across Site 1136.
F18. Composite stratigraphic section for Site 1135.
F19. Composite stratigraphic section for Site 1136.
F20. Compositions of volcanic rocks from Sites 1136, 1137, 1138, and 1140.
F21. Mantle-normalized (Nb/Ce)N, (Zr/Ti)N, and (Nb/Zr)N vs. (Zr/Y)N ratio or Zr content.
F22. Rig Seismic RS179/601 multichannel seismic profile across Site 1137.
F23. Composite stratigraphic section for Site 1137.
F24. Incompatible trace element compositions of basalts from Sites 1136 and 1137.
F25. Nb/Y vs. Zr/Y for Kerguelen Plateau basement basalt from Sites 738, 747, 749, 750, 1136, and 1137.
F26. Trace element contents of basalts from Site 1137.
F27. Rig Seismic RS179/101 multichannel seismic profile across Site 1138.
F28. Composite stratigraphic section for Site 1138.
F29. Site 1138 igneous rock compositions in the Na2O + K2O vs. SiO2 classification diagram.
F30. Downhole variations in trace element abundances and abundance ratios for Site 1138 basalts.
F31. Comparison of Nb/Y vs. Zr/Y plots.
F32. Marion Dufresne MD109-05 multichannel seismic profile across Site 1139.
F33. Composite stratigraphic section for Site 1139.
F34. Interpretative summary diagram for Site 1139.
F35. Igneous rock compositions for Site 1139.
F36. Marion Dufresne MD109-06 multichannel seismic profile across Site 1140.
F37. Composite stratigraphic section for Site 1140.
F38. Close-up photograph of Section 183-1140A-28R-3 (Piece 2, 86? cm).
F39. Photomicrograph of the glass from a chilled pillow margin from Unit 1.
F40. Nb, (Zr/Ti)N, and Ni vs. Zr.
F41. JOIDES Resolution JR183-101 single-channel seismic profile across Sites 1141 and 1142.
F42. Composite stratigraphic section for Site 1141.
F43. Composite stratigraphic section for Site 1142.
F44. Compositions of volcanic rocks from all Leg 183 basement recovery sites.
F45. Color close-up photograph of Site 1137 conglomerate.
F46. Photomicrographs of garnet gneiss.
T1. Leg 183 drill sites, locations, water depths, subseafloor penetration, recovery, and age.
