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Article Navigation >  Acta Sedimentologica Sinica  > 1996  >  14(2): 82-88

Wang Dangan, Chen Rui jun. Discussion on Silicon Isotope of Bedded Siliceous docks of Different Ages in Yangtze Platform[J]. Acta Sedimentologica Sinica, 1996, 14(2): 82-88.
Citation: Wang Dangan, Chen Rui jun. Discussion on Silicon Isotope of Bedded Siliceous docks of Different Ages in Yangtze Platform[J]. Acta Sedimentologica Sinica, 1996, 14(2): 82-88.
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Discussion on Silicon Isotope of Bedded Siliceous docks of Different Ages in Yangtze Platform

  • Institute of Geology, Academia Sinca, Beijing 100029

  • Rev Recd Date: 1995-12-10
  • Many sedimentary siliceous rock beds are found in Late Sinian to Late Paleozoic in Yangtze platform. It is difficult to clarify the origin and silicon sources of these siliceous rocks because of diagenetic changes,although some studies have been conducted on the rocks in dif-ferent aspects. However,silicon isotope of siliceous rocks is of fected little by diagenesis. It may be better to use silicon isotope to reflect the original sedimentary geochemical con-dition and silicon sources of siliceous rock,We here report 20 silicon isotope ratio results of siliceous rocks which deposited in differ-ent geological background. Combined with other geochemical features related to origin of siliceous rock,such as Al/(Al+Fe+Mn)and Fe/Ti,and features of bio一organism in the rocks, the silicon isotope results are compared and discussed. These results may provide a refe-pence for the application of silicon isotope in sedimentary siliceous rock study.
  • [1] 1.地矿部矿床地质所，同位素地质室，稳定I}rl位素研究进展，一北京科学技术出版社，1992,2-9。

    2.王东安，扬厂地台晚古生代以来硅岩地球化学特征及其成因，地质科学，1994. (1):41一54。

    3.王东安，陈瑞君，扬子地台震旦叠纪硅岩形成的地质背景及其成矿关系，生物成矿作川研究.海洋出版社.1993,52-64。

    4.广西地质矿产局，广西泥盆纪沉积岩相古地理及矿产，广西人民出版社，1987,17-98。

    5.范德廉，叶杰，杨瑞英，黄忠祥，扬子地台前寒武纪一寒武纪界线附近地质事件与成矿作川，沉积学报，1987.5(3) :81-92。

    6.Bostrom K，Kragmcr T. Gartncr S.Provename and arwmnlation rates of opaline silica. AI,Ti .Fe. Mn, Cu.Ni and Co in Pacif is Pelagic sediment. Chemical Geology,1973，11(1/2):123一148.
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  • Revised:  1995-12-10

Discussion on Silicon Isotope of Bedded Siliceous docks of Different Ages in Yangtze Platform

  • Institute of Geology, Academia Sinca, Beijing 100029
  • Rev Recd Date: 1995-12-10

Abstract: Many sedimentary siliceous rock beds are found in Late Sinian to Late Paleozoic in Yangtze platform. It is difficult to clarify the origin and silicon sources of these siliceous rocks because of diagenetic changes,although some studies have been conducted on the rocks in dif-ferent aspects. However,silicon isotope of siliceous rocks is of fected little by diagenesis. It may be better to use silicon isotope to reflect the original sedimentary geochemical con-dition and silicon sources of siliceous rock,We here report 20 silicon isotope ratio results of siliceous rocks which deposited in differ-ent geological background. Combined with other geochemical features related to origin of siliceous rock,such as Al/(Al+Fe+Mn)and Fe/Ti,and features of bio一organism in the rocks, the silicon isotope results are compared and discussed. These results may provide a refe-pence for the application of silicon isotope in sedimentary siliceous rock study.

Wang Dangan, Chen Rui jun. Discussion on Silicon Isotope of Bedded Siliceous docks of Different Ages in Yangtze Platform[J]. Acta Sedimentologica Sinica, 1996, 14(2): 82-88.
Citation: Wang Dangan, Chen Rui jun. Discussion on Silicon Isotope of Bedded Siliceous docks of Different Ages in Yangtze Platform[J]. Acta Sedimentologica Sinica, 1996, 14(2): 82-88.
shu

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