The characteristic and evolution of coal-forming swamp in Hanshuiquan district, Santanghu Coalfield, Xinjiang, NW China, during the Middle Jurassic: evidence from coal petrography, coal facies and sporopollenSantanghuCoalfieldXishanyaoFormationCoal-forming...
SantanghuCoalfieldisthelargestintegratedcoalfieldexplorationareainChina.ThemajorcoalseamsdevelopinginXishanyaoFormation(MiddleJurassic)arethehigh-qualitysteamcoalscharacterizedbylargethickness;favorablehorizontalcontinuityandhighcoalquality.Inthispaper;twenty-twosampleswerecollectedfromthethreetypicalboreholesinHanshuiquandisir...
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