Figure F4. Composite showing lithologic units and bulk sediment delta18O and delta13C values from Sites 1039, 1040, and 1253. Negative delta18O values close to the contact with the gabbro sill that plotted outside the range are given in numbers. Note change in depth scale between diagrams. See Figure F3, for lithology keys. VPDB = Vienna Peedee belemnite.

Figure F4. Composite showing lithologic units and bulk sediment

¹⁸O and

¹³C values from Sites 1039, 1040, and 1253. Negative

¹⁸O values close to the contact with the gabbro sill that plotted outside the range are given in numbers. Note change in depth scale between diagrams. See Figure F3, for lithology keys. VPDB = Vienna Peedee belemnite.