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

Tuff Data

Pyroclastic-rock: Mineral information, data and localities.

Basics--Igneous Rock Table

Tuff - Igneous Rocks

Tuff - an igneous rock of explosive volcanic eruptions.

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tuff - rhyolitic tuff with pumice clasts - a classic ignimbrite or

Pyroclasts and Pyroclastic Rocks - Volcanoes, Craters & Lava Flows

Tuff Rock – All You Need to Know

Pyroclastic rock - Wikipedia

Tuff – The Living Rock Studios

3.5 Igneous Rocks – Dynamic Planet: Exploring Geological Disasters