Definition of coalification in English:
The process by which plant remains become coal.
- The humic organic matter of peat is also altered on burial, water and volatiles being lost during the process of coalification.
- Depending on the degree of carbon concentration and coalification, one differentiates between lignite, bituminous coal and anthracite.
- Plant fossils of the lower Pease River Flora are preserved mainly as compressions and coalifications.