Oxygen and carbon isotopes of planktic foraminifera and ageprofile datum description at DSDP Hole 69-504@en

A detailed oxygen isotope record (resolution: about 2500 years) has been obtained for the Pleistocene sediments at Hole 504. Preliminary measurements made deeper in the section suggest that at least the upper Pliocene section is also amenable to detailed stable isotope work. […]