结果表明，该区形成于以潮坪为主的过渡相环境，由于沉积过程中受海水影响，煤中硫的质量分数总体偏高；
The results indicated that the coals in study area formed in a tide flat environment, as a result of seawater influence, the content of sulfur in coals is rather high.
潮坪环境是有利的储集岩发育相带。
Tidal flat environments are favorable facies to develop karst reservoirs.
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