- Limestone formation - Sedimentary rock - A variety of limestone, consisting of small round grains,
resembling the roe of a fish. It sometimes constitutes extensive beds,
as in the European Jurassic. See the Chart of Geology.
- Citrus fruit has tone of sedimentary rock - Green rock found in caves - Hard sedimentary rock - Sedimentary rock - See Milton mix calcium carbonate - Type of cave with formations - Whitish-coloured rock
- A form of sedimentary rock - Sedimentary rock - Soft rock - A rock made of sand more or less firmly united. Common
or siliceous sandstone consists mainly of quartz sand.
- Layer - Layer of sedimentary rock - Level of society - Social level - A bed of earth or rock of one kind, formed by natural
causes, and consisting usually of a series of layers, which form a rock
as it lies between beds of other kinds. Also used figuratively. - A bed or layer artificially made; a course.