玻屑凝灰岩

临澧玻屑凝灰岩的资源特性评价

Evaluation on the characteristics of the vitric tuff in linli County of Hunan

经适当预处理，湖南临澧玻屑凝灰岩可成为沸石分子筛的合成原料。

The vitric tuff of Linli in Hunan may become a qualified synthetic material of zeolite molecular sieve after it is pretreated adequate1y .

以红辉沸石或玻屑凝灰岩（经预处理）为原料，采用水热法制备了沸石分子筛系列产品。

Taking the stellerite or vitric tuff ( pretreated ) as the feedstock , a series of zeolite products are prepared by using the hydrothermal method .

因而，沸石分子筛的合成及其系列产品开发是玻屑凝灰岩深层次开发利用的优先发展方向。

Thus the preferential exploitation of the vitric tuff in high level is synthesis of zeolite molecular sieves and a series of products made from the synthetic zeolites .

岩石学研究显示这些凝灰岩主要为晶屑或玻屑凝灰岩，晶屑多为浅色矿物，长石和石英，暗色矿物较少。

Petrological studies indicate that these tuffs are mainly crystal or vitric tuffs , and crystal fragments are mostly light minerals , feldspar and quartz , dark minerals rather little .