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Figure F34. Photomicrographs in cross-polarized light taken with blue filter at 5x magnification. Pl = plagioclase. A, B. Growth zoning within plagioclase (Sample 205-1253A-27R-2 [Piece 5B, 114-116 cm]). C. Sample 205-1253A-34R-2 (Piece 5A, 97-99 cm).
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