Table T4. Summary of phenocryst compositions, Transect EG66.
Core, section,
interval (cm)
Plagioclase
(An mol%)
Augite
(Mg number)
Average
Range
Average
Range
163X-
SEG01A-1-1, 57–61 0.67 0.60–0.74 0.77 0.70–0.80
SEG01A-2-1, 60–65 0.79 0.77–0.82 0.79 0.78–0.80
SEG01A-2-1 (Piece 1B, 61–66) 0.76 0.76–0.79 0.77 0.77–0.77
SEG02A-6-1, 29–34 0.55 0.46–0.58 0.65 0.62–0.67
SEG02A-7-1, 46–50 0.55 0.53–0.56

Note: See "Appendix B" in the "Explanatory Notes" chapter for details. An = anorthite, Mg number = Mg/(Mg + Fe), with all iron as Fe2+. — = no data.