ROLE OF ORGANIC MATTER IN THE FORMATION OF KAOLINITE ROCKS OF LATE-PALAEOZOIC COAL MEASURES, NORTH CHINA

被引：0
|
作者：
Liu Qinfu (China University of Mining and Technology
机构：
来源：
Scientia Geologica Sinica | 2000年 / 03期
关键词：
ROLE OF ORGANIC MATTER IN THE FORMATION OF KAOLINITE ROCKS OF LATE-PALAEOZOIC COAL MEASURES; NORTH CHINA; rock; acid;
D O I：
暂无
中图分类号：
P578.964 [蛇纹石-高岭石族];
学科分类号：
070901 ;
摘要：
Organic matter and organic acid are rich in kaolinite rocks in coal measures. Terrestrial plant debris, amorphous organic matter, fulvic acid (FA) in the soft kaolin clay associated with weathered coals and ultramicro-organisms and their burrows are identified in kaolinite rocks in Late-Palaeozoic coal measures of North China. Modeling experiment by using organic acid reacted with aluminosilicate minerals shows that fulvic acid has a great ability to dissolve the aluminosilicate minerals and to accelerate the transformation and crystallization of kaolinite. The author suggests that organic matter and organic acid play an important role in the formation of kaolinite rocks in coal measures.
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页码：333 / 338
页数：6
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