| 秦岭群变质深度的探讨 |
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| 引用本文： | 何瑞芳,安三元.秦岭群变质深度的探讨[J].矿物岩石,1991,11(2):97-103. |
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| 作者姓名： | 何瑞芳 安三元 |
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| 作者单位： | 西安地质学院，西安地质学院，西安地质学院，西安地质学院 西安 710054，西安 710054，西安 710054，西安 710054 |
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| 摘 要： | 秦岭群由西经中到东区,变质程度、温度、压力趋于增加,变质深度分别对应于上、中和下地壳。秦岭群是由华北地台南缘盆地,从晚太古宙到早元古宙,自东往西逐步拉张发展形成的。
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| 关 键 词： | 黑云母 石榴石 变质深度 秦岭群 |
METAMORPHIC DEPTHS OF QINLING GROUP |
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| He Ruifang An Sanyuan Yiang Jiaxi Lin Xuejun.METAMORPHIC DEPTHS OF QINLING GROUP[J].Journal of Mineralogy and Petrology,1991,11(2):97-103. |
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| Authors: | He Ruifang An Sanyuan Yiang Jiaxi Lin Xuejun |
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| Abstract: | From the western via median to the eastern areas of the Qinling Group, metamorphic grades and temperatures and pressure increase. Meanwhile the metamorphic depth zones change from the upper through median to the lower crust respectively. The Qinling Group was formed in a westward developing basin in the south margin of north China platform in a period from late Archean to early Proterozoic era. |
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| Keywords: | biotite garnet geobarometer-geothermometer metamorphic depth Qinling Group |
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