pyroclastic-flow deposit

pyroclastic-flow deposit

[‚pī·rə‚klas·tik ′flō dī‚päz·ət]
(petrology)
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Some authors recently showed that the use of a single empirical law, a constant retarding stress, also called yield strength, is more appropriate than frictional behavior and enabled the main features of debris avalanche and pyroclastic-flow deposits to be reproduced (Kelfoun & Druitt, 2005; Kelfoun et al.
Here, "adobe" is a Philippine colloquialism for pyroclastic-flow deposits, misapplied by the Spaniards from their experience in the Americas, where "adobe" was bricks of sun-dried clay mixed with grass.