华南第四纪之网状红土,普遍分布于湖南及其邻省各地,如南京雨花台组之虫状粘土、湖南长沙地区白沙井层之网状红土等皆是。关于网状红土的成因各家见解不一,如对白沙井层之网状红土,杨钟键同志认为系泥流堆积与河流冲积之混合类型,任美锷等同志认为属间 Quaternary red-earth network in South China, generally distributed in Hunan and its neighboring provinces, such as the Nanjing Yuhuatai group of worm-like clay, white sand Shajing area in Hunan, such as reticular clay are all. Reasons for the reticular laterites vary from one source to another. For example, the reticular laterite of the sand manhole and Comrade Yang Zhong-keung consider it a mixed type of mud-stream accumulation and river alluviation. Ren Mei-