Figure F302 (continued). E. Brittle deformation around and within a chilled margin (interval 312-1256D-175R-1, 43–50 cm). F. Crosscutting relationships of veins around a chilled margin (sketch of D). G. Chilled margin developed in a cryptocrystalline to glassy basalt (Sample 312-1256D-175R-1, 43–50 cm). H. Oxide-filled vein cut by chilled margin in F (Sample 312-1256D-175R-1, 43–50 cm) (plane-polarized light; FOV = 4.5 mm).
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