英语语法分析

Jadeitite is a well known but rare rock type that is found only in a few places in the world.

硬玉岩是一种稀少的岩类，常以构造岩包体和脉体的型式产出在蛇纹岩中。

Omphacitite, a new type of rock found in Myanmar jadeitite area, had experienced multi-stage jadeitizations.

绿辉石岩是缅甸硬玉岩区一种新的岩石类型，普遍遭受多期次硬玉化。

The protoliths of quartz jadeitite include metamorphosed granite, trondhjemite, acidic volcanic rocks and feldspar-quartz sandstone.

石英硬玉岩原岩包括正变质的花岗岩和奥长花岗岩、副变质的酸性火山碎屑岩和长石石英砂岩。