A PRELIMINARY STUDY ON CLAY MINERALS AND REE AND Li IN CLAY ORES (ROCKS)IN HENAN PROVINCE 期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

A PRELIMINARY STUDY ON CLAY MINERALS AND REE AND Li IN CLAY ORES (ROCKS)IN HENAN PROVINCE

作者姓名：	宋云华沈丽璞张乃娴彭昭瑞郭可战

作者单位：	Institute of Geochemistry，Academia Sinica，Guiyang，Institute of Geology，Academia Sinica，Beijing，Institute of Geology，Academia Sinica，Beijing，Geological Team No. 2，Henan Bureau of Geology and Mineral Resources，Jiyuan，Geological Team No. 2，Henan Bureau of Geology and Mineral Resources，Jiyuan

摘要：	A detailed study on the clay minerals from the working area was carried out through multiple methods,including X-ray diffraction, infrared absorption, DTA and TG, TEM and SEM, Mossbauer spectrometry,electron paramagnetic resonance and wet chemical analysis. Cookeite was discovered in the area for thefirst time. The determination of REE, Li, Nb, Ta and Sc in various ores and rocks as well as in variousclay minerals and their associations, and the cation exchange experiments (soaking experiments) carried outin various electrolyte solutions and designed for judging whether Li is in adsorption state indicate (i)clay minerals contain highest REE, and (ii) Li exists mainly in its own mineral-cookeite.
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