Figure F11. An International Union of Geological Sciences (CIPW norm) classification of fresh volcanic rocks based on quartz, K-feldspar, and plagioclase content. The diagram shows all unaltered volcanic rocks from Hole 1191A, along with single samples from Holes 1188A, 1189A, and 1190C.

Figure F11. An International Union of Geological Sciences (CIPW norm) classification of fresh volcanic rocks based on quartz, K-feldspar, and plagioclase content. The diagram shows all unaltered volcanic rocks from Hole 1191A, along with single samples from Holes 1188A, 1189A, and 1190C.