immature sediment meaning in English
不成熟的沉积物
Examples
- A great deal of statistic data illustrates that the mesozoic strata , especially the upper triassic immature sediments , are presumably an important source of ore - forming metals
大量统计表明，中生代地层、特别是晚三叠世低成熟度沉积岩是重要的矿源层。