Figure F31. Photomicrograph of subvariolitic texture: Unit 14 skeletal plagioclase and comb texture formed from parallel acicular clinopyroxene crystals (Sample 197-1203A-35R-4 [Piece 1F, 47-49 cm]) (cross-polarized light; field of view = 0.7 mm; photomicrograph 1203A-21).

Figure F31. Photomicrograph of subvariolitic texture: Unit 14 skeletal plagioclase and comb texture formed from parallel acicular clinopyroxene crystals (Sample 197-1203A-35R-4 [Piece 1F, 47-49 cm]) (cross-polarized light; field of view = 0.7 mm; photomicrograph 1203A-21).