| 1. | Based on the study of correlativity of ol - opx - cpx contents in north china and south china , it shows that some peridotite xenoliths from hannuoba , pingquan , nvshan , puning , qiongbei , and niutoushan area may represent the older mantle material compositions , and some peridotite xenolith from ximeng , penglai , linqu , quzhou , mingxi , and liuhe area may represent the younger mantle material compositions
通过对华北、华南两区橄榄岩包体中的o1与opx及cpx的相关关系的分析研究认为，华北汉诺坝和平泉地区，以及华南女山、普宁、琼北、牛头山等地区的部分橄榄岩包体，代表了老地幔；锡盟、蓬莱、临朐及衢州、明溪、六合等地区的部分橄榄岩包体代表了较新地幔。 |
