玄武岩微生物分解过程中的矿物表面效应

被引：14

作者：

周跃飞

王汝成

陆现彩

机构：

[1] 南京大学地球科学系内生金属成矿机制研究国家重点实验室

来源：

岩石矿物学杂志 | 2008年 / 01期

关键词：

玄武岩; 微生物风化; Paenibacillus polymyxa; 表面特征; 模拟实验;

D O I：

暂无

中图分类号：

P588.145 [];

学科分类号：

070901 ;

摘要：

通过玄武岩微生物风化的模拟实验,探讨了造岩矿物表面特征对微生物风化的影响,发现在细菌Paenibacillus polymyxa(多粘芽孢杆菌)及其代谢产物的作用下,玄武岩的分解作用显著增强,其中橄榄石最易分解,辉石次之,长石则相对最稳定。根据实验溶液的成分变化,认为橄榄石在初始阶段的分解主要受控于表面化学特征,随着比表面积的增大,表面控制作用进一步增强,分解更为快速。

引用

页码：59 / 66

页数：8

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