| 兰州地区最古老黄土剖面的粒度学及孢粉学研究 |
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| 引用本文： | 李麒麟,王小伟,张有龙.兰州地区最古老黄土剖面的粒度学及孢粉学研究[J].地层学杂志,2004,28(2):148-151. |
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| 作者姓名： | 李麒麟 王小伟 张有龙 |
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| 作者单位： | 甘肃省地勘局第三地质矿产勘查院,甘肃,兰州,730050;甘肃省地勘局第三地质矿产勘查院,甘肃,兰州,730050;甘肃省地勘局第三地质矿产勘查院,甘肃,兰州,730050 |
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| 摘 要： | 兰州地区最古老黄土剖面露头良好,地层出露较齐全,通过剖面磁性地层研究,确定兰州地区最古老黄土形成于1.84MaBP以前,对山城湾岭黄土剖面进行了粒度及孢粉的研究,探讨了第四纪沉积环境的演化。
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| 关 键 词： | 粒度学 孢粉学 最古老黄土 兰州地区 甘肃 |
| 文章编号： | 0253-4959(2004)02-0148-04 |
| 修稿时间： | 2004年2月9日 |
STUDY OF THE GRANULITY AND SPORO-POLLEN IN THE OLDEST LOESS SECTION OF THE LANZHOU AREA,GANSU |
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| LI Qi-lin,WANG Xiao-wei,ZHANG You-long The Third Institute of Geology and Mineral Exploration,Gansu Provincial Bureau of Geology and Mineral Exploration and Development,Lanzhou.STUDY OF THE GRANULITY AND SPORO-POLLEN IN THE OLDEST LOESS SECTION OF THE LANZHOU AREA,GANSU[J].Journal of Stratigraphy,2004,28(2):148-151. |
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| Authors: | LI Qi-lin WANG Xiao-wei ZHANG You-long The Third Institute of Geology and Mineral Exploration Gansu Provincial Bureau of Geology and Mineral Exploration and Development Lanzhou |
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| Institution: | LI Qi-lin,WANG Xiao-wei,ZHANG You-long The Third Institute of Geology and Mineral Exploration,Gansu Provincial Bureau of Geology and Mineral Exploration and Development,Lanzhou 730050 |
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| Abstract: | The oldest loess section in the Lanzhou area outcrops very well,with complete strata exposed.
Based on the magnetostratigraphic study,the oldest loess in this area is dated to 1.84 Ma ago.This paper
deals mainly with study of the granulity and sporo-pollen and probes into the evolution of the Quaternary
sedimentary environments. |
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| Keywords: | granulity sporo-pollen the oldest loess section Quaternary Lanzhou Gansu |
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