Fig. 11

Cross-plots showing the dilution of organic matter and carbonate fraction with detrital and biogenic proxies: (a) Al and Si, (b) Si + Al, (c) Ca/Al, and (d) Si/Al.

Cross-plots showing the dilution of organic matter and carbonate fraction with detrital and biogenic proxies: (a) Al and Si, (b) Si + Al, (c) Ca/Al, and (d) Si/Al.