Laminated Siltstone Depositional Environment

Each environments have certain characteristic which make each of them different than others.

Laminated siltstone depositional environment. There are 3 kinds of depositional environments they are continental marginal marine and marine environments. A depositional environment is a specific type of place in which sediments are deposited such as a stream channel a lake or the bottom of the deep ocean. Depositional environment is part of earth surface that has certain chemical biology and physics characteristics where sediments are laid on. Peat swamps coal bed were present between water and dry land diessel 1992 while oil shale was formed by the preservation and aggregation of algae in deep water environments cameron et al 1994 coal forming environments are various including fan braided channels.

Although this is not a complete list it is a good introduction to depositional environments. Laminae or laminated beds. Coal beds and oil shale are two types of sedimentary rocks formed in different depositional environments. Facies lithology sedimentary structures bi trace fossils depositional environment 2b medium to dark grey thinly parallel laminated very fine grained sandstone and siltstone with local pyrite thinly parallel laminated.

They resemble characteristics of various fluvial depositional environments. Conglomerate siltstone shale. Below is a listing of various environments that act as sources modes of transportation to the oceans and environments of deposition for mudrocks. The laminated grey and black carbonaceous shale and coal of fa 5 fc c and sandy shale mudstone of fa 4 f1 sh st and c form the lower member which rests on pre karoo rocks or tshidzi formation.

The table below includes specific environments where various types of sediments are deposited and common rocks structures and fossils that aid in deducing the depositional environment from examining a sedimentary rock outcrop.