Cady, Gilbert H. Formerly, Consulting Coal Geologist, Urbana, Illinois.
- Additional Readings
A dark-brown or black residuum produced by the partial decomposition and disintegration of mosses, sedges, trees, and other plants that grow in marshes and other wet places. Forest-type peat, when buried and subjected to geological influences of pressure and heat, is the natural forerunner of most coal.
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