Coal/Definition

From Citizendium
< Coal
Revision as of 08:01, 3 June 2009 by imported>Caesar Schinas (Remove "Coal is")
Jump to navigation Jump to search
This article is developing and not approved.
Main Article
Discussion
Related Articles  [?]
Bibliography  [?]
External Links  [?]
Citable Version  [?]
 
A definition or brief description of Coal.

A carbon-containing rock formed by the effect of bacteria, heat and pressure on the debris from the decay of ferns, vines, trees and other plants which flourished in swamps millions of years ago.