Dictionary of Geotourism

2020 Edition
| Editors: Anze Chen, Young Ng, Erkuang Zhang, Mingzhong Tian


Reference work entry
DOI: https://doi.org/10.1007/978-981-13-2538-0_1142

Synonym: Welded tuff

Volcanic eruptions generate hot gases and fluids that mix with clastic materials and then flow along the ground surface. An ignimbrite is a volcaniclastic rock formed by the consolidation of these materials and has a pyroclastic structure. It is characterised by the presence of plastic fragments (magma fragments), and after consolidation, it appears as flame-like lava banding (called fiamme) and has a flow-like structure.

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