felsite

There is an obvious rock zonation from the middle to bothsides of the structural shatter zone, generally from marialite orebody through diopside-felsite,biotite-albitite to the host Proterozoic rocks.

构造破碎带岩石具有明显对称分带性：破碎带中心为钠柱石矿体，向两侧次为榍石透辉石英岩带、黑云母钠岩带，并逐渐过渡为围岩。钠柱石矿成因类型为沿构造破碎带热液交代脉型。