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Responses to Quaternary Climate Change

January 01, 2000


An integrated micropalaeontological approach has been used to characterize the last climatic cycle in the Tyrrhenian Sea. Three gravity cores, drilled in the Gaeta Bay continental shelf, have been analysed by means of quantitative methods applied to different taxonomic groups. In particular, calcareous nannofossils, planktonic Foraminifera, ostracods and palynomorphs have been studied to detect palaeoclimatic trends. The Last Glacial period has been identified in the lower part of two cores (C8 and C9), and an older cold period is represented in the lower part of the more proximal core (C5). The upper part of all the cores clearly records the Holocene period, whereas the Late Glacial period is not always easily detectable. Pollen seems to precede the Holocene climatic optimum. Climatic curves have been reconstructed for all the taxonomic groups and high-resolution palaeobathymetric reconstruction has been inferred on the basis of the ostracod assemblages.

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Geological Society, London, Special Publications

Climates: Past and Present

Malcolm B. Hart
Malcolm B. Hart
Department of Geological Sciences, University of Plymouth, UK
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Geological Society of London
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Publication date:
January 01, 2000




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