The mechanism of oxygen isotope exchange between alkalifeldspar and fluid is mainly dissolution reprecipitation.
碱性长石流体的氧同位素交换机制主要是溶解再沉淀。
2
The fine structure of natural alkalifeldspar selected from the basalt in the Hannuoba district, China was investigated by means of high resolution electron microscopy(HREM).
利用高分辨电子显微镜观察了产于河北汉诺坝玄武岩中碱性长石的精细结构。
3
The sapphires are the product of early crystallization of alkali basalt magma and intergroom with clinopyroxene, feldspar, garnet and zircon megacrysts.