The Influence of Biogenic Procession on the Accumulation and Precipiation of Silica—An example from South of Anhui and West of Zhejiang
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摘要: 在皖南浙西分布着一条近北东向的上震旦统(皮园村组)—下寒武统(荷塘组)在硅岩条带,作者通过野外、室内的研究,对岩石的结构、构造、矿物成分各个方面进行了系统的研究,找到了放射虫壳体结构,证实了生物作用对硅岩聚集沉淀的重要意义,主元素及有机碳的分析也显示了生物作用的痕迹。Abstract: In the South of Anhui and West of Zhejiang, there is a zo ne of upper Sinian and low er Cambrian siliceous rocks w hich strech strch praximately NE.Af ter field t rip and labo ratory studies,We understood all aspects of thier tex ture and structure and mineral composi tio n and found shell of radiolarian.It is proved that biogenic procession plays an important role in the fomat ion of chert s of chert s and the analy sis of major elements shows it clearly.
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Key words:
- South of Anhui and West of Zhejiang /
- biogenic procession
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[1] 1 王东安.扬子地台晚元古代以来硅岩地球化学特征及其成因.地质科学, 1994, 29(1):41~54
2 谢窦克.皖南浙西上震旦统碧玉岩的地质意义.中国地质科学院南京地质矿产研究所刊, 1979
3 Brassell S C. Applicat ions of bi omarkers for delineating marine paleoclimatic flutuat ions during the Pleistocene.In :Engel M H, Macko S A, eds Organic Geochemi stry Principles and Applications.Plenum Press, 1993.699~738
4 Fu Jiamo, S heng Guoying, Xu Jiayou, Eglinton G, Gow ar A P, Jia Rongfen, Fan Shanf a, Peng Pingan.Application of biological markersin the assessment of paleoenvi ronment s of Chinese non -marine sediments.Org.Geochem, 1990, 16 :769~770 -

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