| 1. | Sediment composition and mineralogical constituents can exert primary and local influence on color reflectance , so sedimentary environment , sedimentary process and material source can be inferred by sediment color spectral 颜色反射率可以反映沉积物的物质组成和矿物学信息,进而反映沉积环境、沉积作用和物质来源。 |