Figure thumbnails 61-80

F61. Strong crystal-plastic porphyroclastic foliation inclined ~30× in meta-oxide gabbros.

Figure 61

F62. Porphyroclastic oxide gabbro with two large clinopyroxene porphyroclasts.

Figure 62

F63. Olivine and clinopyroxene porphyroclasts within a matrix of recrystallized plagioclase.

Figure 63

F64. Porphyroclastic oxide-bearing mylonites showing felsic layering.

Figure 64

F65. Oxide-rich mylonite domain in contact with coarser porphyroclastic domain.

Figure 65

F66. Highly strained ribbon grains of plagioclase in mylonitic fine-grained matrix.

Figure 65

F67. Clinopyroxene porphyroclast with asymmetric tails in mylonite.

Figure 67

F68. Contact between intervals 115 and 116 showing mildly deformed gabbro adjacent to a strongly foliated oxide gabbro shear zone.

Figure 68

F69. Oxide-rich mylonitic domain with relatively strain-free small clinopyroxene porphyroclasts.

Figure 69

F70. Deformed leucocratic gabbro vein intruded into relatively undeformed gabbro.

Figure 70

F71. Smectite-clay veins within fractures in oxidized core facies.

Figure 71

F72. Schematic model of unroofing and exposure of the Atlantis Bank with tectonic rotation and steepening of magnetic inclination.

Figure 72

F73. Whole-core magnetic susceptibility measurements.

Figure 73

F74. Filtered whole-core magnetic susceptibility measurements.

Figure 74

F75. Split-core measurements of natural remanent magnetization showing downhole variation in declination, inclination, and intensity.

Figure 75

F76. Vp plotted as a function of depth for samples from Hole 1105A.

Figure 76

F77. Downhole logs for Hole 1105A.

Figure 77

F78. Downhole logs for Hole 1105A.

Figure 78

F79. Downhole logs for Hole 1105A.

F80. FMS image over the depth interval 93-100 mbsf in Hole 1105A.

Figure 80

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