The main genetic processes of the gray soil under the forests in xinjiang's Aerial mountain area include hu on

argillication

chemical weatherign. biological returning salt-particle. The proportion of leach and illuvianon of SiO2/Al2O3 is 1.16

and that of SiO2

R2O3 is 1.17

and have the clay minerals heing dominated by iuite and montmorillonite

R is 0.77.The regional features of its genetic characteristics are very obvious as compered with the sim soil in the east of china and inquire into the question of the siol classification.