| 龙岩高岭土矿床地质特征及成矿作用 |
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| 关键词:kaolin deposit altered weathering residual type mineralization Longyan Fujian |
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| Geological Characteristics and Mineralization of the Longyan Kaolin Deposit |
| The Longyan kaolin deposit in Fujian province,is of weathering residual type of altered granite.The weathering profile of the granite shows distinct vertical zonality. Each weathering zone has its own characteristic clay mineral assemblage and the change in relative mineral contents and chemical compositions. The minerals of kaolin ores consist mainly of kaolinite as well as halloysite, hydromuscovite, quartz associated with Small amounts of feldspar. Kaolinite is poorly crystallized and its grain size generally large then 2μm. Halloysite is mostly less than 2μm. The kaolin ores in Longyan is characteristic of poor Fe, Ti and high-natural whiteness. The kaolin deposit is of high quality and has considerable reserves. The mineralization of the Longyan kaolin deposit has experience three geological action included the endogenic differentiation, hydrothermal alteration and the late surface weathering. |
| ZHANG Tian-le,WANG Zong-liang.1996.Geological Characteristics and Mineralization of the Longyan Kaolin Deposit[J].Acta Geoscientica Sinica,17(3):292-301. |
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