sedimentary peat
1sedimentary peat — An accumulation of organic material that is predominantly the remains of floating aquatic plants (e.g., algae) and the remains and fecal material of aquatic animals, including coprogenous earth. Compare: herbaceous peat, moss peat, woody… …
2sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …
3herbaceous peat — An accumulation of organic material, decomposed to some degree that is predominantly the remains of sedges, reeds, cattails and other herbaceous plants. Compare: moss peat, sedimentary peat, woody peat, peat, muck, and mucky peat. SSM …
4moss peat — An accumulation of organic material that is predominantly the remains of mosses (e.g., sphagnum moss). Compare: herbaceous peat, sedimentary peat, woody peat, peat, muck, and mucky peat. SSM …
5woody peat — An accumulation of organic material that is predominantly composed of trees, shrubs, and other woody plants. Compare herbaceous peat, moss peat, sedimentary peat, peat, muck, and mucky peat. SSM …
6organic materials — [ soil survey ] Unconsolidated sediments or deposits in which carbon is an essential, substantial component. Several types of organic materials (deposits) can be identified based on the composition of the dominant fibers (grassy organic… …
7coprogenous — adjective Describing an organic soil formed mainly from sedimentary peat containing small fecal pellets …
8coprogenous earth — [ Soil Taxonomy ] A type of sedimentary peat which is a limnic layer composed predominantly of fecal material derived from aquatic animals. ST …
9coal — coalless, adj. /kohl/, n. 1. a black or dark brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel. Cf. anthracite, bituminous coal, lignite. 2. a piece of glowing, charred, or burned wood or other… …
10chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… …
