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lankovitch-scale frequency. Analyses of foraminiferoxygen isotopic ( 18 O) and Mg/Cacomposition, combined with TEX 86 analysesfrom organic carbon, are used to generate recordsof seawater temperature and oxygen isotopiccomposition ( 18 O SW ). These indicate bottomwater temperatures of ~11–13 °C and seasurface temperatures of ~23–25°C with goodagreement between the proxies. Temperaturecyclicity with a magnitude of ~1.5 °C occurs inboth surface and bottom waters, approximatelyin phase with the sedimentary cycles. Estimatesof 18 O SW have a mean value of –1.2 throughoutthe study section. Taken together, the data suggesta largely ice-free world with orbital-scalecycles expressed as temperature and hydrologicalvariation with little or no ice volume change.182