南华系立典研究新进展--华南新元古代南华大冰期气候岩石地层对比
首发时间:2017-06-27
摘要:以连续完整的黎家坡南华系剖面为基础,以南华大冰期各气候波动阶段所留下的沉积记录--气候岩石地层为线索,以特殊的气候岩石组合为标准,建立南华大冰期气候岩石地层对比标志。将湘黔桂交界区、黔东北、湘西北、峡东等地区南华系气候岩石地层进行对比。得出了湘黔桂交界区是华南南华系发育最为完整的地区,该地区的黎家坡南华系剖面是最完整的南华系剖面。以黎家坡南华系剖面为基础,开展南华系立典研究,将有可能取得突破。
关键词: 地层对比 气候岩石地层 黎家坡南华系剖面 南华大冰期 华南
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New Developments of the Stratotype Research in Nanhua System--Stratigraphic Correlation on Climate and Rock during the Nanhua Great Ice Age of the Neoproterozoic in South China
Abstract:Basing on the intact continuous Lijiapo section and climatic rock stratigraphy which is a sedimentary record remained from different climate fluctuation stages during the Nanhuan great ice age, we set a rock-stratigraphic correlation mark of this age with a standard of special association between climate and rock. We compared different climatic and rock stratigraphic in four areas(junctional zone of Hunan、Guizhou、Guangxi, northeastern Guizhou, northwestern Hunan, eastern yangtze gorges) then found that the most well-developed area is the junctional zone of Hunan、Guizhou、Guangxi.In this area, there is the most complete section of Nanhuan system named Lijiapo section. If we do the stratotype research based on this section, we may make a breakthrough.
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南华系立典研究新进展--华南新元古代南华大冰期气候岩石地层对比
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