Four hundred CDPs equals 5 km. North is to the right. Multichannel seismic tracks are plotted and labeled every 100 CDPs. Core photograph illustrating the transition facies from diabase, interpreted as a clast in conglomerate, overlain by shallow-marine conglomerates and limestone. Symbols with arrows denote actual datum point can be above or below and older or younger than indicated by the symbols.
Broken lines indicate uncertainty in the placement of paleodepth boundaries.
Unconformity represented by wavy line. Calcium carbonate content plotted vs. depth at Site 1115. Note the downward decrease in carbonate content to 400 mbsf. A pumiceous rock containing phenocrysts of hornblende within a glassy groundmass. Viewed under crossed nicols.