There were three explanations about the geological structures of Maoshan.First

accustomed saying

Maoshan including the most southern area of Anhui and Ji-angsu was the main range of the foldings formed in Indo-China movement; second

by geomechanics

Maoshan waa considered as a combination of several diffuent struetural systems

the north-south axis of Ningzhen Mt. reflexed are

and too

to be unrooted; third

recently

geologists working in plate-tectonic field emphasized the "listric fault" formed by stresses wmprrssed from cast to west in southun China

and thus Maashan was one of the nappes.