Figure F35. Photomicrographs in cross-polarized light taken with blue filter at 20x magnification. Inclusions of glass and altered glass could be observed at the center of plagioclase phenocryst or groundmass plagioclase. Note that the inclusions are located only within the center at the early stage of plagioclase crystallization before extensive magma differentiation as shown from growth zoning. These inclusions are up to 30 µm in size and do not present any specific morphology. Pl = plagioclase. A. Sample 205-1253A-34R-4 (Piece 2, 70-72 cm). B. Sample 205-1253A-39R-2 (Piece 5, 82-84 cm).

Figure F35. Photomicrographs in cross-polarized light taken with blue filter at 20x magnification. Inclusions of glass and altered glass could be observed at the center of plagioclase phenocryst or groundmass plagioclase. Note that the inclusions are located only within the center at the early stage of plagioclase crystallization before extensive magma differentiation as shown from growth zoning. These inclusions are up to 30 µm in size and do not present any specific morphology. Pl = plagioclase. A. Sample 205-1253A-34R-4 (Piece 2, 70-72 cm). B. Sample 205-1253A-39R-2 (Piece 5, 82-84 cm).