sedimentary rocks
1Sedimentary rocks — Sedimentary Sed i*men ta*ry, a. [Cf. F. s[ e]dimentaire.] Of or pertaining to sediment; formed by sediment; containing matter that has subsided. [1913 Webster] {Sedimentary rocks}. (Geol.) See {Aqueous rocks}, under {Aqueous}. [1913 Webster] …
2sedimentary rocks — plural noun Those formed by accumulation and deposition of fragmentary materials or organic remains • • • Main Entry: ↑sediment …
3Organic-rich sedimentary rocks — are a specific type of sedimentary rock that contains significant amounts (>3%) of organic carbon.[1] The most common types include coal, lignite, oil shale, or black shale. The organic material may be disseminated throughout the rock giving… …
4Sedimentary exhalative deposits — (abbreviated as SEDEX from SEDimentary EXhalative) are ore deposits which are interpreted to have been formed by release of ore bearing hydrothermal fluids into a water reservoir (usually the ocean), resulting in the precipitation of stratiform… …
5Sedimentary basin analysis — is a geologic method by which the history of a sedimentary basin is revealed, by analyzing the sediment fill itself. Aspects of the sediment, namely its composition, primary structures, and internal architecture, can be synthesized into a history …
6Sedimentary organic matter — includes the carbonaceous component of sediments and sedimentary rocks. The organic matter is usually a component of sedimentary material even if it is present in low abundance (usually lower than 1%). Petroleum (or oil) and natural gas are… …
7Sedimentary — Sed i*men ta*ry, a. [Cf. F. s[ e]dimentaire.] Of or pertaining to sediment; formed by sediment; containing matter that has subsided. [1913 Webster] {Sedimentary rocks}. (Geol.) See {Aqueous rocks}, under {Aqueous}. [1913 Webster] …
8sedimentary 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… …
9Sedimentary rock — Middle Triassic marginal marine sequence of siltstones (below) and limestones (above), Virgin Formation, southwestern Utah, USA Sedimentary rock are types of rock that are formed by the deposition of material at the Earth s surface and within… …
10sedimentary facies — Different, but contemporaneous and juxtaposed, sedimentary rocks. Terrigenous facies are accumulations of particles eroded from older rocks and transported to the depositional site. Biogenic facies are accumulations of whole or fragmented shells… …
