How is coal formed sedimentary rock?

How is coal formed sedimentary rock?

Coal is an organic sedimentary rock which is the prehistoric vegetation that are deposited at swamps, subjected to heat and pressure over million of years. This is composed mainly of carbon, hydrogen and oxygen. It is a sedimentary rock formed from peat, by the pressure of rocks laid down later on top.

What type of rock coal is?

sedimentary rock
Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other elements, chiefly hydrogen, sulfur, oxygen, and nitrogen.

What is a coal sedimentary rock?

Coal is a combustible sedimentary rock formed from ancient vegetation which has been consolidated between other rock strata and transformed by the combined effects of microbial action, pressure and heat over a considerable time period. This process is commonly called ‘coalification’.

Which rock is important for coal?

Coals are the most abundant organic-rich sedimentary rock. They consist of undecayed organic matter that either accumulated in place or was transported from elsewhere to the depositional site. The most important organic component in coal is humus.

Is Diamond a rock?

Background. The diamond is the hardest natural substance known. It is found in a type of igneous rock known as kimberlite. The diamond itself is essentially a chain of carbon atoms that have crystallized.

Is coal organic chemical or clastic?

Coal is an Organic Sedimentary Rock . Organic sedimentary rocks are one of three types of sedimentary rocks, along with clastic sedimentary rocks and chemical sedimentary rocks. Coal is an organic sedimentary rock. Like other organic sedimentary rocks, coal is made from particles of formerly living things, called organic matter.

What is the definition of sediment rock?

Sedimentary rocks are types of rock that are formed by the accumulation or deposition of small particles and subsequent cementation of mineral or organic particles on the floor of oceans or other bodies of water at the Earth’s surface. Sedimentation is the collective name for processes that cause these particles to settle in place.

What is a sedimentary deposit?

Sedimentary Deposits. mineral deposits formed during the accumulation of sediment on the bottom of rivers and other bodies of water.

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