| 浅议峡东陡山沱组的“瓶状微化石” |
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| 引用本文： | 张忠英.浅议峡东陡山沱组的“瓶状微化石”[J].微体古生物学报,1994,11(3):369-371. |
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| 作者姓名： | 张忠英 |
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| 作者单位： | 南京大学地球科学系 |
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| 摘 要： | 通过对峡东晚震旦世陡山沱组岩石样品的化学浸解处理、连续切片研究及大量薄片观察，作者认为先前报道的陡山沱组“瓶状微化石”，即所谓最古老的原生动物的外壳遗骸，实际上并非什么瓶状微化石，而是一种有蓝藻（可能还有细菌）参与的沉积构造。
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| 关 键 词： | 瓶状微化石，沉积构造，陡山沱组，峡东 |
COMMENTS ON THE "VASE-SHAPED MICROFOSSILS" FROM THE DOUSHANTUO FORMATION OF THE EASTERN YANGTZE GORGES |
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| Zhang Zhong-ying.COMMENTS ON THE "VASE-SHAPED MICROFOSSILS" FROM THE DOUSHANTUO FORMATION OF THE EASTERN YANGTZE GORGES[J].Acta Micropalaeontologica Sinica,1994,11(3):369-371. |
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| Authors: | Zhang Zhong-ying |
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| Abstract: | The intriguing "vase-shaped microfossils",consisting of 13 species in 9 genera,were reported by Duan Cheng-hua and Cao Fang(1989) from the Doushantuo Formation(Late Sinian) of the eastern Yangtze Gorges.They were regarded as test remains of the earliest protists.After examining macerated preparations,serial sections of selected individuals,and a great many petrographic thin sections under the microscope,the writer considers that they are not vase-shaped microfossils,but a kind of sedimentary structure with some cyanophytes or bacteria involved in its formation. |
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| Keywords: | vase-shaped microfossils sedimentary structure Doushantuo Formation eastern Yangtze Gorges |
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