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

Types of volcanic rocks, lava, and deposits

Each rock measures approximately 1-2 inches in length Can be classified as sedimentary or igneous Used to create some of the moai statues on Easter

Light Gray Tuff, a Fine-Grained Volcanic Rock - 2 Raw Pieces

Pyroclastic Deposit - an overview

ALEX STREKEISEN

Tuff - Wikipedia

Pyroclastic Textures

Igneous Rocks

ALEX STREKEISEN

Tuff: Mineral information, data and localities.

Welded Tuff In Pyroclastic Flows

Tuff Rock Properties, Formation, Uses » Geology Science

Tuff Rock Properties, Formation, Uses » Geology Science

What is pyroclastic material? - MiMaEd

Igneous rock tuff hi-res stock photography and images - Alamy