Tuff, Volcanic Ash, Igneous Rock & Pyroclastic Material

Tuff, a relatively soft, porous rock that is usually formed by the compaction and cementation of volcanic ash or dust. (The Italian term tufa is sometimes restricted to the soft, porous, sedimentary rock formed by the chemical deposition of calcite, or calcium carbonate, or silica from water as

Ignimbrite - Wikipedia

Pyroclastic rock - Wikipedia

Volcanic Tuff - Geology Superstore

Ignimbrite - Igneous Rocks

Tuff - Igneous Rocks

What is pyroclastic material? - MiMaEd

Pyroclastic-rock: Mineral information, data and localities.

Tuff, Geology 1501

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Tuff

Volcanic Rock Formations

Tuff - Igneous Rocks

Lithic Tuff - MiMaEd

Accretionary Lapilli Tuff - Geology Superstore

Pyroclastic Rocks Formation and Types or Examples