关键词: 南极,普里兹湾,有孔虫,砂质胶结类群,古环境变化

Abstract:

Foraminifera fauna are analysed in the downcore NP932 from Prydz Bay,Antarctica. Foraminifera fauna are rich in the sediment of downcore NP932. Planktonic foraminifera group make up 26.3%(21 species) of the total number of Foraminifera. The benthonic foraminifera occupied 73.3%( 57 species) of total number of Foraminifera in the region. Among them the agglutinated group of benthonic foraminifera occupied 57.9%, which is mainly benthonic in the foraminifera assemblages and Miliammina arenacea is most important. It reflects continental upslope deep water bioface. Content of the warm and cold species of planktonic foraminifera reflects the change of climate. The other paleoceanology and paleoclimate questions such as water depth, carbonate dissolution etc. are also discussed.