The Maoming Basin is one amongst a group of Cretaceous-Teniary basins in South China. 347 samples were collected from drill cores MR and MB and sechon MS (110°54’E, 21°45 ’N). Most of the lithological units are of Tertiary age. The cores include the Laohuling, Shangcun,Huangniuling and Youganwo formations . The MR core (874m in length) has recorded the polarity history from Normal Zone 18 to Normal Zone 11 on the Geomagnetic Polarity Time Scale (GPTS).The strata were formed from about 42Ma to 32Ma, that is from Late Eocene to Early Oligocene.A mean sedimentation rate of this stratigraphic column is 8.1 cm/ka.
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