英语翻译three major classsification of structure can be identified:palaeozoic foldbelts of lower,middle and upper palaeozoic age; upper palaeozoic volcano-plutonic belts which unconformably overly the lower and middle palaeozoic foldbelts;and a series of mesozoic-genozoic strutures that are superimposed on the earlier ones.

英语翻译
three major classsification of structure can be identified:palaeozoic foldbelts of lower,middle and upper palaeozoic age; upper palaeozoic volcano-plutonic belts which unconformably overly the lower and middle palaeozoic foldbelts;and a series of mesozoic-genozoic strutures that are superimposed on the earlier ones.