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地质论评  2005 

中祁连山东段皋兰岩群地质时代的微古植物新证据

Keywords: 祁连山东段岩群地质时代微古植物化石同位素年龄测定中祁连地块证据区域地质调查褶皱基底时代厘定祁连造山带等时线年龄构造演化构造属性岩浆事件岩石组合地层对比结合区域中元古代兰州市

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Abstract:

厘定中祁连地块褶皱基底的时代,对探讨中祁连地块构造属性以及研究祁连造山带构造演化有重要意义。长期以来,由于缺乏化石依据,加上同位素年龄测定受该区岩浆事件扰动的影响,中祁连东段褶皱基底皋兰岩群地质时代厘定始终悬而未决,本次1:25万兰州市幅区域地质调查,采获大量蓟县纪微古植物化石,并获得Sm―Nd等时线年龄1180Ma。作者根据皋兰岩群岩石组合、同位素年龄、微古植物化石等方面的特征,结合区域地层对比,将皋兰岩群地层时代厘定为中元古代。

References

[1]  甘肃省地层表编写组.1980.西北区域地层表,甘肃分册.北京:地质出版社.
[2]  俞伯达.1997.关于甘肃长城纪地层划分的新认识.甘肃地质学报,6(1):1~15.
[3]  Bureau of Geology and Mineral Resources of Gansu Province. 1989.Regional Geology of Gansu Province. Beijing: Geological Publishing House, 1 ~ 692 (in Chinese with English abstract).
[4]  Bureau of Geology and Mineral Resources of Qinghai Province. 1991.Regional Geology of Qinghai Province. Beijing: Geological Publishing House, 1 ~ 661 (in Chinese with English abstract).
[5]  Chen M H. 1948. Primary notes on the metamorphic rocks of the Kaolan series central Kansu. Bull. Geo. Soc. China,28 (3~4):179~186.
[6]  Hua Hong, Qiu Shuyu. 2001. Three mesoproterozoic stromatolite assemblages in the Helan Mountain, Ningxia and their biostratigraphic significance. Journal of Stratigraphy, 4:307~311(in Chinese with English abstract).
[7]  Qu Zhanru. 1963. Discuss partition doming of ancient land in Precambrian on Qilian geosynline. Geological Review, 21(2): 96~98. (in Chinese with English abstract).
[8]  冯秦阳.1994.1/50000水川乡幅中国区域地质图及说明书.
[9]  李瑾焕.1978.1/50000白银幅中国区域地质图及说明书.
[10]  黄德政,翟玉沛.1965.1/20万兰州幅中国区域地质图与说明书.
[11]  肖林.1995.1/50000兴隆山幅中国区域地质图及说明书.
[12]  甘肃省地质矿产局.1989.甘肃省区域地质志.北京:地质出版社,1~692.
[13]  华洪,邱树玉.2001.贺兰山中元古代三个叠层石组合及其地层意义.地层学杂志,4:307~311.
[14]  青海省地质矿产局.1991.青海省区域地质志.北京:地质出版社,1~661.
[15]  屈占儒.1963.对祁连山地槽内前寒武古陆隆起划分的商榷.地质论评,21(2):96-98.
[16]  孙淑芬.2002.中国晚前寒武纪微古植物研究.前寒武纪研究进展,25(2):86~92.
[17]  孙淑芬,朱士兴,黄学光.2002.天津蓟县常州沟组微古植物的发现及其意义.前寒武纪研究进展,25(1):48-51.
[18]  武铁山.2002.华北晚前寒武纪(中、新元古代)岩石地层单位及多重划分对比.中国地质,29(2):147~154.
[19]  邢裕盛,段承华,梁玉左,曹仁关,等.1985.中国晚前寒武纪古生物.北京:地质出版社,1~243.
[20]  Lu Chao Hsia. 1948. On the Kaolan series. Bull. Geo. Soc. China, 28 (3~4) :175~178.
[21]  Song S H. 1948. A primary study on the rock of the Kaolan Complex Kaolan Kansu. Bull. Geo. Soc. China, 28(3~4):155~173.
[22]  Sun Shufen. 2002. Research on the microplants in Late Precambrian of China. Progress in Precambrian Research, 25 (2) : 86 ~ 92 (in Chinese with English abstract).
[23]  Sun Shufen, Zhu Shixing, Huang Xueguang. 2002. Discovery of micropalaeoflora from the Changzhougou formation in Jixian, Tianjin, China. Progress in Precambrian Research, 25 (1): 48~51(in Chinese with English abstract).
[24]  Wu Tieshan. 2002. Late Precambrian (Meso-Neoproterozoic)lithostratigraphic units in North China and their multiple division and correlation. Geology in China, 29(2):147~154 (in Chinese with English abstract).
[25]  Xing Yusheng, Duan Chenghua, Liang Yuzuo, Cao Renguan, et al.1985. Late Precambrian Palaeontlogy of China. Beijing:Geological Publishing House, 1 ~ 243 (in Chinese with English abstract).
[26]  Yu Boda. 1997. A new cognition on the stratigraphie division of Changcheng System in Gansu Province. Acta Geologica Gansu , 6(1):1~15(in Chinese with English abstract).
[27]  韩子芳.1972.1/20万靖远幅中国区域地质图与说明书.
[28]  庄育勋.1983.祁连活动带东段皋兰群变质作用研究.长春地质学院硕士论文.
[29]  严增礼.1987.1/50000西岔幅、白坡子幅中国区域地质图及报告.
[30]  梁明宏.1996.1/50000青城幅中国区域地质图及说明书.
[31]  闫海卿,钱壮志,刘继庆,肖林.中祁连东段皋兰岩群Sm-Nd同位素年龄及地质意义(待刊).

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