递变层 meaning in English
graded bed
graded layer
Examples
- Typical depositional structures of tempestite , such as radically arrangement of plate - like micrite gravel , hummocky lamination , load structure , grading bedding and ripple bedding are presented in the succession , indicating its accumulation in an offshore environment
该风暴沉积的底面侵蚀构造清楚，板片状泥晶灰岩砾石呈菊花状排列，发育丘状交错层理、负载构造、递变层理和小波纹层理等沉积构造，为典型的浅海风暴岩。