Advances in field work approach on volcanic debris avalanche deposits

Abstract:

Advances in field work approach on volcanic debris avalanche deposits Page 1 Advances in field work approach on volcanic debris avalanche deposits Understanding their context and explaining processes using facies analysis B. Bernard and B. van Wyk de Vries, 2010 Page 2 What's the point? ● VDADs have the greater diversity of facies Page 3 What's the point? ● VDADs have the greater diversity of facies Page 4 What's the point? ● VDADs have the greater diversity of facies ● Facies description in fundamental to decipher the complexity of rockslide-debris avalanche ● Nowadays there are tens of terms to describe VDAD in literature ● The currently used terminology (“block or mixed facies”) provide little information on the phenomenon Page 5 Our proposition ● Define a “new” (Cas and Wright, 1988; Glicken, 1991) descriptive strategy and its associated terminology in order to get: – information about the …

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