| 塔里木盆地塔中28 井奥陶纪含笔石地层的初步研究 |
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| 引用本文： | 詹士高,赵治信.塔里木盆地塔中28 井奥陶纪含笔石地层的初步研究[J].新疆石油地质,1998,19(5):401-402. |
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| 作者姓名： | 詹士高 赵治信 |
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| 作者单位： | 新疆石油学院勘探系 乌鲁木齐 830000 |
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| 摘 要： | 对塔里木盆地塔中28 井岩心中采集的笔石化石进行了系统分析、研究后认为, 笔石的地质时代属中奥陶世晚期和晚奥陶世早期, 相当于西欧地区卡拉道克(Caradoc)中、晚期;含笔石地层层位可与塔里木盆地西北缘柯坪地区相应的地层层位对比,分别相当于中奥陶统的其浪组和上奥陶统下部的印干组。
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| 关 键 词： | 塔里木盆地 钻井 岩心 奥陶纪 笔石 地层 地质时代 生物地层对比 |
| 收稿时间： | 1998-05-22 |
A PRELIMINARY STUDY ON GRAPTOLITE BEARING STRATA IN ORDOVICIAN IN WELL TAZHONG 28, TARIM BASIN. |
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| Zhan Shigao,Zhao Zhixin..A PRELIMINARY STUDY ON GRAPTOLITE BEARING STRATA IN ORDOVICIAN IN WELL TAZHONG 28, TARIM BASIN.[J].Xinjiang Petroleum Geology,1998,19(5):401-402. |
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| Authors: | Zhan Shigao Zhao Zhixin |
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| Affiliation: | Exploration Department, Xinjiang Petroleum Institute, Urumqi 830000 |
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| Abstract: | Based on systematic analysis of graptolite fossils from Well Tazhong 28 in Tarim basin, it is considered that geologic time of the graptolite is late period of Middle Ordovician and early period of Late Ordovician, corresponding to middle and late period of Caradoc in western Europe; graptolite bearing strata can correlate with strata in Kepin area in northwestern Tarim basin, corresponding to Qilang formation of Middle Ordovician and Yingan formation of Upper Ordovician, respectively. |
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| Keywords: | Tarim basin Drilling well Core Ordovician Graptolite Formation Geologic time Biostratigraphic correlation |
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