Grain-Size Characteristics of Pyroclastic Deposits

Pyroclastic fall and flow deposits occupy two distinct fields on an$Md_{\phi}/\sigma_{\phi}$plot (Inman parameters), and a contoured diagram is given based on 1,600 samples to facilitate comparison of mechanical analyses. Analyses which plot where the fields overlap include rain-flushed ashes and th...

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Veröffentlicht in:	The Journal of geology 1971-11, Vol.79 (6), p.696-714
1. Verfasser:	Walker, George P. L.
Format:	Artikel
Sprache:	eng
Schlagworte:	Crystals Geology Igneous rocks Pumice Pyroclastic deposits Pyroclastic falls Pyroclastic flows Terminal velocity Volcanic ash Volcanoes
Online-Zugang:	Volltext
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