8 research outputs found

    Oxygen isotope calibration of the onset of ice-rafting and history of glaciation in the North Atlantic region

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    We report here that DSDP Site SS2A, cored with the hydraulic piston corer on the west flank of RockaU Bank, recovered an undisturbed sequence of alternating white deep-sea carbonate oozes and dark-coloured layers that are rich in glacial debris. Oxygen isotope analysis of the sequence together with detailed nannofossil and palaeomagnetic stratigraphy shows that the first major horizon of ice-rafting occurred at about 2.4 Myr, and was preceded by a minor pulse of ice-rafting at about 2.5 Myr. The carbon isotope record shows that the site has been bathed by a water mass of similar characteristics to present-day North Atlantic deep water at least since 3.5 Myr

    "Early" Apoplexy Due to Traumatic Intracranial Aneurysm. Case Report.

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