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Science 8 January 1982:
Vol. 215. no. 4529, pp. 159 - 161
DOI: 10.1126/science.215.4529.159
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Articles

Carbon-14 Dates at Grande Pile: Correlation of Land and Sea Chronologies

GENEVIÉVE M. WOILLARD 1 and WILLEM G. MOOK 2

1 Institut Botanique, Laboratoire de Palynologie et Phytosociologie, 4, place Croix-du-Sud, 1348 Louvain-la-Neuve, Belgium
2 Isotope Physics Laboratory, University of Groningen, Westersingel 37, 9718 CM Groningen, Netherlands

Sixteen radiocarbon dates extending back to 70,000 years provide a chronology for the continuous continental pollen record of Grande Pile. This record reflects climatic changes over the last 140,000 years in northeastern France. The cold period initiating the Middle Weichselian, dated previously at 55,000 years, is dated at 70,000 years before the present (B.P.) at Grande Pile. This event is marked by the disappearance of deciduous forests at this site. The Early Weichselian is placed before 70,000 years B.P. A correlation with the oxygen isotope stages from oceanic records is demonstrated until 70,000 years B.P. and attempted beyond.

Submitted on January 16, 1981
Revised on August 21, 1981


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