Analytical study by X Ray diffrection and Scanning Microscope of highly weathered prehistoric flints. Thanks to ressembling of debitage products, differently weathered though they are coming from the same core, it is proved that a part of the silica
This paper describes the isotopic fractionations and shows that variations of the oxygen isotopic composition of foraminifera along deep sea cores are generally a continental ice volume index and thus a worldwide oceanic stratigraphic marker
Up to one fourth of the isotopic change in foraminifera found in deep-sea cores (or some 0.3 /) may be due to a gradual change in the isotopic composition of the Antarctic and Greenland ice sheets. Therefore the peak-to-valley variation of the 0
A continuous record of Holocene glacier fluctuations cannot be obtained with the techniques currently in use, which are mostly based on the dating of moraines. The likelihood of obtaining a continuous record by studying sediment cores taken from
Regional distributions of tephra deposits within Upper Quaternary pelagic sediments of the eastern Mediterranean and southern Aegean Seas have been determined from cores of deep-sea sediments. Slumping or other mass-wasting processes on the sea