Figure F76. Euhedral olivine pseudomorphs (nontronite) in a gray pillow basalt interior in Sample 192-1183A-57R-3 (Piece 2, 15-17 cm). The vein (upper right) is filled with nontronite and minor celadonite (field of view = 5.5 mm; plane-polarized light; photomicrograph ID# 1183A

Figure F76. Euhedral olivine pseudomorphs (nontronite) in a gray pillow basalt interior in Sample 192-1183A-57R-3 (Piece 2, 15-17 cm). The vein (upper right) is filled with nontronite and minor celadonite (field of view = 5.5 mm; plane-polarized light; photomicrograph ID# 1183A_034).