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矿床地质  2004 

牡丹江穆棱沸石矿床矿化分带特征与规律

Keywords: 地质学,沸石矿,矿化分带,矿石类型,化学组分,物化性能,牡丹江穆棱

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Abstract:

文章以穆棱沸石矿床为例,探讨了天然沸石矿矿化分带特征与矿石物化性能的空间变化规律。研究表明:矿床不同部位沸石矿化类型的差异变化与碱金属K、Na元素的分异富集特征关系密切;若两者分异富集明显,易形成单一的斜发沸石或丝光沸石矿;反之,则形成混合型沸石矿。由矿体浅部往深部,矿石物化性能的差异变化总体表现为:NH+4和K+的交换容量、最大热失重值、吸湿率及气体吸附容量等渐趋增大;而矿石的耐酸性和热稳定性却有相反的变化趋势。

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