云南马关地区分布有许多碧玄岩岩管,其中有些岩管含有地幔橄榄岩包体。
There exist a lot of Cpx-peridotitic xenoliths in basanites of Maguan, Yunnan Province.
作者对产自云南马关-麻粟坡矿带、广西钟山八步矿区的黑色电气石进行了矿物组成及化学成分的分析测试。
It shows that there are apparent differences in black tourmalines mineral components and chemical elements from their different producing mines.
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