On Leg 55, cores were takenfrom three seamounts in the Emperor Seamount chain: Ojin, Nintoku, and Suiko Seamounts. At the drilling sites the water depth was 1300 to 1700 meters; the maximum thickness of the sediment column was 180 meters at Site 433.

<1 = trace, ? = presence uncertain, empty cells = no data.

Supplement to: Mann, Ulrich; Müller, German (1980): Mineralogy of the sedimentary sections encountered on Leg 55 (Sites 430 through 433), based on x-ray diffractometry. In: Jackson, ED; Koisumi, I; et al., (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 55, 857-859