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本文对广东坡地红壤颗粒组成的特征进行了初步研究、结果表明；广东坡地红壤较粗颗粒的矿物组成以轻矿物石英为主；粘粒的矿物组成一般以1：1高岭土为主；在粘粒的化学组成中，盐基淋失严重，铁铝氧化物聚积：颗粒大小分布主要受成土母质的影响。
The results showed that the mineral composition of coarser particles of red soil in slope area of Guangdong was dominated by light mineral quartz. The mineral composition of clay particles was mainly 1: 1 kaolin, Of the chemical composition, serious salt leaching, Fe-Al oxide accumulation: particle size distribution is mainly affected by soil parent material.