Figure 4 | Scientific Reports

Figure 4

From: Size distributions of fractures, dykes, and eruptions on Etna, Italy: Implications for magma-chamber volume and eruption potential

Figure 4

(a,b) Pictures showing dykes in “Bove” valley. The red arrows indicate some of the dykes. (c) A simplified geological map of the valley; 15 ka is the limit of the last eruptive phase of Mt. Etna12. The yellow dots indicate the sites where the photographs a and b were taken. (d) Orientation (here a symmetric rose) of the dykes. (e). Thickness distribution of 184 dykes, plotted as a cumulative frequency distributions as both a linear and a log-log plot (inset). Map composed in ESRI ArcGIS v. 10.2 (http://www.esri.com/arcgis). Photos: Salvatore Scudero.

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