橄榄石

III.silicate mineral contain iron, include olive stone, black column stone, common picrite etc.

三、含铁硅酸盐矿物:有榄、黑榴、十字、黑、通辉等。

Peridotite has undergone strong serpentinization and was completely replaced by serpentinite, but the pseudomorph of olivine and orthopyroxene still are preserved.

榄岩虽然发生了强烈蛇纹岩化（现在为蛇纹岩），但蛇纹岩中保留了斜方辉和榄假象。

Sometimes the composition mineral besides the antigorite and the chrysotile, contains the few dolomite, the magnesite, the tremolite and the olivine and so on.

组成矿物除叶蛇纹和纤蛇纹外，有时含少量白云、菱镁矿、透闪和榄等。

The kamafugite is a rare type of ultra-potassic rocks, and a rock series contained generally that rock types of alnoite, olivine-melilitite, mafurite, katungite and wugantite and so on.

摘要钾长岩是一种非常稀少超钾质火山岩，也是一个岩系列，包括长煌斑岩、榄长岩、白长岩、辉钾岩和乌干达岩等多种岩类型。