首页|Organic geochemistry and palynology of Lower Cretaceous Zuunbayan oil shale, Mongolia
Organic geochemistry and palynology of Lower Cretaceous Zuunbayan oil shale, Mongolia
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NSTL
Biomarkers and spore-pollens were analyzed fortwenty-six oil shales from the Zuunbayan Group, LowerCretaceous lacustrine sedimentary sequences in eastern Mongolia.The distributions of n-alkane, steranes, hopanes, gammaceraneand grammacer-2-ene indicate diversity in the contributions of anautotrophic prokaryote such as a cyanobacterium , nonmarinealgae, terrestrial higher plants, heterotrophic bacteria andbacterivous ciliates. The presence of thermally unstablecompounds and low concentrations of diagentically-generatedcompounds indicated that the samples are in an immature stagebelow the oil generation window.
NSTL
