Figure 4 | Scientific Reports

Figure 4

From: Bubble-enhanced basanite–tephrite mixing in the early stages of the Cumbre Vieja 2021 eruption, La Palma, Canary Islands

Figure 4

Backscattered electron images of melt mingling features in the El Paraiso lapilli sample collected on 23 September 2021. (a,b) Complex filamentary field connecting large bubbles, showing dendritic magnetite growth in the inner parts of mafic filaments and bubble rims. (c) Small bubble (left) surrounded by mafic melt; (d,e) small, isolated filaments apparently unrelated to bubbles. (f) Bubble associated to filaments and magnetite (Mt) crystal, suggesting heterogeneous bubble nucleation. EMPA beam transects (A–C) in Fig. 5 and selected EPMA 5 µm analytical spots are highlighted, with their SiO2 concentrations (wt%) attached.

Back to article page