Isotope Chart

Strontium (Sr/Sr) data:

Bralower, T.J., Fullagar, P.D., McCay, T.A., MacLeod, K.G., Bergen, J. and Zapata, E., 2004, Strontium isotope stratigraphy of Cretaceous Sediments at Ocean Drilling Program Sites 1183 and 1186, Ongtong Java Plateau, in Mahoney, J. and Fitton, G. (eds.), ODP Scientific Results, v. 192.