Figure 3 | Scientific Reports

Figure 3

From: Provenance and deposition of a lithified volcanic-rich layer (VRL-5.5) at 5.5 Ma from Central Apennines (Italy)

Figure 3

(a) CAC (Castiglione a’ Casauria, Abruzzo) and (b) SVT section (San Vittorino, Sant'Eufemia, Abruzzo) polished thin sections (black rectangles in Fig. 2) with representative BS-SEM microphotographs, showing the salient textural features along the stratigraphic sequence. Red and black bars are 1 cm and 50 µm, respectively, while blue arrow (cb) and red arrow (gl) indicates carbonates and glassy phases. The glass shards show blocky shapes with some curvilinear edges corresponding to bubble walls.

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