Oxygen isotope and paleomagnetic stratigraphy of sediment core V28-239

Core Vema 28-238 preserves an excellent oxygen isotope and magnetic stratigraphy and is shown to contain undisturbed sediments deposited continuously through the past 870,000...维玛28-238号岩芯（Core Vema 28-238）保存了优质的氧同位素与磁性地层学记录，经证实其蕴含了过去87万年间持续沉积且未受扰动的沉积物……