On the Physical Sense of Isotope Composition of Carbonate and Organic Carbon in Sedimentary Rocks and Its Possible Use in Stratigraph : Figure 2

Figure 2: Chemostratigraphic data of Early Urassic (total organic carbon (TOC), δ¹⁵N_tot, δ¹³C_org, and δ¹³C_carb) for Winterborne Kingston Borehole, England [18].