| 锆石红外光谱在地质研究中的应用 |
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| 引用本文： | 闫秋实, 尹观. 锆石红外光谱在地质研究中的应用[J]. 物探与化探, 2004, (2): 142-146. doi: 10.3969/j.issn.1000-8918.2004.02.015 |
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| 作者姓名： | 闫秋实 尹观 |
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| 作者单位： | 成都理工大学,应用核技术与自动化工程学院,四川省地学核技术重点实验室,四川,成都,610059;; 成都理工大学,应用核技术与自动化工程学院,四川省地学核技术重点实验室,四川,成都,610059 |
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| 摘 要： | 以甘肃白银厂地区的7件锆石同位素年龄样品为例,根据其红外光谱中615 cm-1吸收峰的高和半高宽度的比值,将锆石样品的变生程度量化,并将其分为晶质锆石、半变生锆石和变生锆石3类.参考相关资料,利用7件锆石样品的红外光谱特征对其铀钍含量和"红外年龄"做了估测,并将估测年龄与其U-Th年龄和全岩Rb-Sr年龄进行了比较和分析.
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| 关 键 词： | 锆石红外光谱 变生程度 U-Th含量 红外年龄 |
| 文章编号： | 1000-8918(2004)02-0142-05 |
| 收稿时间： | 2003-10-08 |
THE APPLICATION OF ZIRCON INFRARED ABSORPTION SPECTROMETRY TO GEOLOGICAL RESEARCH |
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| THE APPLICATION OF ZIRCON INFRARED ABSORPTION SPECTROMETRY TO GEOLOGICAL RESEARCH[J]. Geophysical and Geochemical Exploration, 2004, (2): 142-146. doi: 10.3969/j.issn.1000-8918.2004.02.015 |
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| Authors: | YAN Qiu-shi YIN Guan |
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| Affiliation: | Institute of Applied Nuclear Technology and Automatic Engineering, Chengdu University of Technology, Chengdu 610059, China |
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| Abstract: | This paper deals with seven zircon samples, which were collected from the Baiyinchang orefield, analyzed by the isotopic dilution technique and dated by the U-Pb Method. According to the height to the central wavelength ratio of the 615cm~(-1) absorption peak, the degrees of metamictization were measured, and the zircons were hence classified into crystalloid zircon, half-metamict zircon and metamict zircon. Having consulted some relevant data, the authors estimated the amounts of U-Th and the ages of these zircons on the basis of the zircon infrared spectrometry, and compared the infrared data with the geochronological U-Pb data of these zircons and with the Rb-Sr data of whole rocks and minerals. |
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| Keywords: | zircon infrared absorption spectrometry the degree of metamictization the amount of U-Th the age of zircon |
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