a group of macerals, that are the most common component of coal
Found on
http://en.wikipedia.org/wiki/Glossary_of_geology
Vitrinite is one of the primary components of coals and most sedimentary kerogens. Vitrinite is a type of maceral, where `macerals` are organic components of coal analogous to the `minerals` of rocks. Vitrinite has a shiny appearance resembling glass (vitreous). It is derived from the cell-wall material or woody tissue of the plants from which...
Found on
http://en.wikipedia.org/wiki/Vitrinite
(from the article `bituminous coal`) Bituminous coal is dark brown to black in colour and commonly banded, or layered. Microscopically, three main groups of macerals (individual organic ... Three major maceral groups are generally recognized: vitrinite, liptinite (formerly called exinite), and inertinite. The vitrinite group is the most...
Found on
http://www.britannica.com/eb/a-z/v/31
vitrinite 1. One of the primary components of coals and most sedimentary kerogens. Vitrinite is a type of maceral, where 'macerals' are organic components of coal analogous to the 'minerals' of silicate rocks. Vitrinite has a shiny appearance resembling glass. It is derived from the cell-wall material or woody tissue of the plants from which coal...
Found on
http://www.wordinfo.info/words/index/info/view_unit/2316/3
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