| 释义 |
coalification
noun[ U ]
geology specializeduk /ˌkəʊ.lɪ.fɪˈkeɪ.ʃən/ us /ˌkoʊ.lə.fəˈkeɪ.ʃən/
the process by which dead plants slowly become coal:
The next stage is coalification, the very slow process in which peat is converted to coal.
Different coals have undergone coalification to different extents.
The origin of the heat source for coalification still remains uncertain.
The presence of coaly particles in the sandstones indicates a rapid and short-lived coalification event soon after deposition.
Coalification and gas generation are still going on.
There is no evidence of coalification in these light-coloured fossils.
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