Figure 3
Summary of Mo/Al versus Corg for euxinic sediments:
* Cariaco Basin (Lyons et al., 2003; this study),
* euxinic black shales within the Devonian Oatka Creek Formation, New York, northern Appalachian Basin (Werne et al., 2002),
* Carboniferous Hushpuckney Shale Member of the Swope Limestone, Iowa (Cruse and Lyons, 2003 submitted).