PEAT
Peat
is an unconsolidated sediment of partially decayed vegetation. Peat generally
accumulates in bogs and other wetlands where a lack of oxygen results in
reducing conditions, preserving the organic matter. The typical acid conditions
of decaying vegetation helps to preserve the organic material as well, sometimes
even preserving animal carcasses.
Peat is of interest primarily as the precursor to
coal.
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