Strong weathered rocks correspond to rock grade soft rocks?
Not necessarily, in the soil, rock classification table, but also according to the type of rock
If it is weathered and large cracks in the clay sandstone, the classification of sub - Caine stone; and if the weathering of the conglomerate, the classification is the classification of the turquoise
If it is a severe weathering of weak granite, gneiss and syenite, the classification is classified as Shi jian;
