煌斑岩的 meaning in Chinese

lamprophyric

It is difficult to conform the derivations of the native heavy minerals , so the author assumes corresponding procedures as follows to accomplish the research task : firstly , according to the composition typomorphic peculiarities of minerals deriving from mantle , the author selected a part of minerals as preliminary reseach objects from the native heavy minerals and then further investigate the mantle ones and their host rocks in two ways : one is the method of comparation with the corresponding minerals of rocks deriving mantle in the research field and other places ; anorther is the method of multivariate statistical analysis
本次工作为了尽可能地排除非幔源矿物的干扰，根据陈光远( 1990 ) 、潘兆橹( 1994 )等学者有关矿物成分标型的论断，筛选出地幔特征元素含量较高的重砂矿物做为初步研究对象，为达到研究目的采取了如下方法：与区内已发现的幔源岩石(如钾镁煌斑岩等) 、国内外有代表性的碱性玄武岩、金伯利岩、钾镁煌斑岩的深源包体中的相应矿物进行对比研究的方法；多元统计分类的方法。