n. whinstone
misc. basanitoid
玄武岩类天然石材，结构统一，并有一些孔隙。
This is a Natural basalt stone with a homogeneous structure and some vacuolar porosity with a high feldspar content(around 75%).
玄武岩类成分的某些特殊性，可能与源区混合作用有关。
Some particular chemical features of the Carboniferous basaltic rocks may relate to source rock mixing.
本文概括了这两个地区的玄武岩类在岩石学、地球化学、稀土和微量元素等方面的差别和各自的特点。
This paper studies difference between volcanic rocks in the two areas on the basis of petrology, geochemistry, ra...
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