An unusual hopane biodegradation sequence in tar sands from the Pt Arena (Monterey) Formation

@article{Requejo1989AnUH,
  title={An unusual hopane biodegradation sequence in tar sands from the Pt Arena (Monterey) Formation},
  author={Adolfo G. Requejo and Helio Halpern},
  journal={Nature},
  year={1989},
  volume={342},
  pages={670-673}
}
HOPANES are ubiquitous in petroleum source rocks and crude oils. These compounds are thought to be derived mainly from a specific oxygenated precursor, bacteriohopanetetrol, found in the cell walls of prokaryotic organisms1, and commonly occur as a homologous series of structurally related isomers containing between 27 and 35 carbon atoms; hopanes containing more than 35 carbon atoms have also been reported2. Hopanes and other pentacyclic triterpanes are relatively resistant to microbial… CONTINUE READING
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