Micrograph of Etna lava

Cross-section backscattering
electron micrograph of Etna lava. The bright contrast is due to metal oxide particles. Scale bar: 1.0 mm (image courtesy: Angewandte Chemie).

Cross-section backscattering
electron micrograph of Etna lava. The bright contrast is due to metal oxide particles. Scale bar: 1.0 mm (image courtesy: Angewandte Chemie).