| 豫西太华群微体植物的发现及其意义 |
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| 引用本文： | 丁莲芳.豫西太华群微体植物的发现及其意义[J].地质论评,1996,42(5):459-464,T001. |
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| 作者姓名： | 丁莲芳 |
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| 作者单位： | 西安地质学院 |
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| 摘 要： | 豫西太华群一名已沿用了３０余年，在这套中深变质岩系中，过去从未发现生物化石，前人根据变质程度及构造格架一直将其归入太古宇。笔者对小秦岭地区这套中深变质岩系的石墨片麻岩，石英岩，长石石英岩及大理岩，采用浸解法，切片法研究，发现了一批微体古生物化石，文中介绍了微体化石的赋存层位及岩性。
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| 关 键 词： | 太华群 微体化石 早元古代 微体植物 古植物 |
DISCOVERY OF THE MICROFLORA IN THE TAIHUA GROUP,WESTERN HENAN PROVINCE,AND ITS GEOLOGICAL SIGNIFICANCE |
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| Ding Lianf ang.DISCOVERY OF THE MICROFLORA IN THE TAIHUA GROUP,WESTERN HENAN PROVINCE,AND ITS GEOLOGICAL SIGNIFICANCE[J].Geological Review,1996,42(5):459-464,T001. |
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| Authors: | Ding Lianf ang |
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| Abstract: | The term the Archean Taihua Group in western Henan has been used more than thirty years, but no fossils have been found in it. In recent years, by using the methods of thin-section and maceration the author has discovered many microfossils in Xiaoqinling region, including spheroids, filamentous algal, plant fragments and unknown forms, in graphite gneisses, quartzites, feldspathic quartzites and marbles of medium- to high-grade metamorphic complexes. The horizons, in which microfossils were found, and their petrological characteristics are described in this paper. A comparison is made between the materials found in the study area and those in other places of China (Anshan and Dabie Mountains). Thus the author comes to a conclusion that the upper subgroup of the Taihua Group in the Xiaoqinling area in western Henan should be of Proterozoic age. |
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| Keywords: | Taihua Group microflora Proterozoic western Henan |
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