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。
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The concentric stone circles that make up Stonehenge, 130 km southwest of London, consist of giant sandstone blocks and smaller bluestones-volcanic rock of a bluish tint with white flecks.