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根据对全区1700个钻孔资料的分析及选择其中4个代表性剖面进行了详细研究,综合全区47个钻孔的放射性碳年代分期、孢粉分析反映的气候更替、沉积环境的变化等,提出将广东东部(珠江口以东)沿海的全新世地层划分为下、中、上统,其中的中全新统和上全新统再各分为上、下段,即共5个地层段。下全新统以距今1.2万年为起始年龄,以河相砂砾层和风化的花斑粘土、“老红砂”作为上更新统与全新统的分界。并划分出韩江三角洲区、滨海平原区、珠江三角洲区等3个地层区。
Based on the analysis of 1700 borehole data in the whole region and the selection of 4 representative sections, a detailed study was conducted on the stochastic carbon staging of 47 boreholes in the region, the climate change reflected by sporopollen analysis and the changes of sedimentary environment , Proposed that the Holocene strata along the coast of eastern Guangdong (east of the Pearl River Estuary) be divided into lower, middle and upper strata, and the Middle Holocene and Upper Holocene are divided into upper and lower strata, that is, a total of five strata. The Lower Holocene starts at 12,000 years ago with the gravels of the river facies and the weathered flowered clay and the “Old Red Sand” as the boundary between the Upper Pleistocene and Holocene. And divide the Hanjiang River Delta, Binhai Plain, Pearl River Delta and other three strata.