The determination method of organic content in peatcoal has been studied in this paper. The organic content in peatcoal of Mianxian County of Shaanxi has been determined.
研究了泥炭有机质含量的测定方法，并对陕西勉县泥炭中有机质含量进行了测定。
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Coal deposits, after all, are petrified peat swamps, and peat is made from decaying plants, which leave their imprints in mud and clay as it hardens into shale stone.
A generalized sedimentary-tectonic model for extensional coal basin is presented, together with the explanation for the evolution of basin architecture and the conditions of peat accumulation.