Key words: Nalaqi structure belt;the time of the main strata;the ophiolite and glaucophane schist;the background of the formation of Dahala Junshan volcanic rock;characteristics of the texture;

• 作者简介:杨志华，1934年生，男，主要从事区域大地构造、区域成矿规律和造山带区调填图的研究。