Figure 3. CaCO3, delta13C and delta 18O values and concentrations of CaCO3, organic carbon, dissolved interstitial sulfate, and headspace-analyzed interstitial methane in Pliocene-Pleistocene sediements from Site 897 on the Iberia Abyssal Plain.

Figure 3. CaCO₃,

¹³C, and

¹⁸O values and concentrations of CaCO₃, organic carbon, dissolved interstitial sulfate, and headspace-analyzed interstitial methane in Pliocene-Pleistocene sediments from Site 897 on the Iberia Abyssal Plain. The base of turbiditic Unit I is 292 mbsf at this site.