Sedimentation and mobility of PDCs: a reappraisal of ignimbrites’ aspect ratio

@inproceedings{Giordano2017SedimentationAM,
  title={Sedimentation and mobility of PDCs: a reappraisal of ignimbrites’ aspect ratio},
  author={Guido Giordano and Domenico M. Doronzo},
  booktitle={Scientific Reports},
  year={2017}
}
The aspect ratio of ignimbrites is a commonly used parameter that has been related to the energy of the parent pyroclastic density currents (PDCs). However this parameter, calculated as the ratio between the average thickness and the average lateral extent of ignimbrites, does not capture fundamental differences in pyroclastic flow mobility nor relates to lithofacies variations of the final deposits. We herein introduce the “topological aspect ratio” (ARt) as the ratio of the local deposit… CONTINUE READING
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