1·Attempts were made to calculate Earth's age from the thickness of surviving sedimentary rock and from the current level of the oceans' salinity.
人们曾试图根据现存沉积岩的厚度和目前海洋的盐度水平来计算地球的年龄。
2·Concepts of sedimentary rock.
沉积岩的一般概念。
3·Danxia Landform is known for it crayon-like colours, which are created through layers of sandstone and sedimentary rock.
丹霞地貌因其蜡笔画似的色彩而闻名遐迩，该地貌是由砂岩和沉积岩堆积而成。
4·Melaleuca stone is a sedimentary rock, its texture into layered structure, sandwiching a layer of gray rock between layers, stone Wencheng transverse, resembling the weathered rock erosion.
是沉积岩的一种，其纹理成层状结构，在层与层之间夹一层浅灰岩石，石纹成横向，外形似久经风雨侵蚀的岩层。
5·Melaleuca stone is a sedimentary rock, its texture into layered structure, sandwiching a layer of gray rock between layers, stone Wencheng transverse, resembling the weathered rock erosion.
千层石是沉积岩的一种，其纹理成层状结构，在层与层之间夹一层浅灰岩石，石纹成横向，外形似久经风雨侵蚀的岩层。