野外和室内的初步研究表明，这种小圆环带可能是在轴向拉伸应变下，主要由石英晶内（0001）〈（?）

The preliminary studies both in the field and in the laboratory indicate that this kind of small circle may be formed because of intragranular glide of (0001) <11(?)

youdao

野外和室内的初步研究表明，这种小圆环带可能是在轴向拉伸应变下，主要由石英晶内（0001）〈（?）

The preliminary studies both in the field and in the laboratory indicate that this kind of small circle may be formed because of intragranular glide of (0001) <11(?)

youdao