التفاصيل البيبلوغرافية
| العنوان: |
Lithium-rich claystone in Pingguo area, Guangxi, southwest China: precursor kaolinite controls lithium enrichment. |
| المؤلفون: |
Ling, Kunyue, Wen, Hanjie, Han, Tao, Lu, Zhitong, Cui, Yi, Luo, Chongguang, Yu, Wenbin |
| المصدر: |
Mineralium Deposita; Feb2024, Vol. 59 Issue 2, p329-340, 12p |
| مصطلحات موضوعية: |
KAOLINITE, FELSIC rocks, VOLCANIC ash, tuff, etc., OBSIDIAN, IGNEOUS provinces, TONSTEINS |
| مصطلحات جغرافية: |
GUANGXI Zhuangzu Zizhiqu (China), CHINA |
| مستخلص: |
We investigated Late Permian Li-rich claystones with up to 1.05 wt% Li2O (average: 0.45 wt% Li2O) in the Pingguo area in Guangxi, southwest China. Our results show that cookeite (chlorite group) is the dominant Li-bearing mineral. Cookeite is intercalated with authigenic illite and detrital kaolinite, which suggests that cookeite formed during burial diagenesis from pre-existing Li-rich kaolinite in the original clay assemblage. The Li-rich claystones were mainly sourced from felsic volcanic rocks of the Emeishan large igneous province (LIP), and the Li-rich kaolinite was likely produced by weathering of felsic volcanic materials (i.e., pyroclastic rocks, tephras, and volcanic glass) deposited on a Permian carbonate platform. We propose that the abundance of precursor kaolinite and its Li content control the degree of Li enrichment in this new potential Li resource. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
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