In 12 BC, Augustus completely restored the bridge with a tuff and concrete core.
From the en.wikipedia.org
Uriarra Volcanics consists of dacitelava flows and pyroclastic deposits of tuff.
From the en.wikipedia.org
The communal territory is mostly composed by tuff, and is intensively cultivated.
From the en.wikipedia.org
R.N.M. conducted project planning, geological constraints and tuff sampling.
From the nature.com
These horizons can be dated more precisely by chemical analysis of the tuff.
From the en.wikipedia.org
The ignimbrite forms escarpments, with the lower-lying land being underlain by tuff.
From the en.wikipedia.org
You can still see its mighty Etruscan gate, built of massive stones of volcanic tuff.
From the charlotteobserver.com
You can still see it s mighty Etruscan gate, built of massive stones of volcanic tuff.
From the kansas.com
Duan stone is a volcanic tuff, commonly of a purple to a purple-red color.
From the en.wikipedia.org
More examples
Hard volcanic rock composed of compacted volcanic ash
Tuff (from the Italian tufo) is a type of rock consisting of consolidated volcanic ash ejected from vents during a volcanic eruption. Tuff is sometimes called tufa, particularly when used as construction material, although tufa also refers to a quite different rock. ...
Tuff is an American glam metal band formed in 1985 in Phoenix, Arizona, by guitarist Jorge DeSaint (born George Manos) and bassist Todd Chase (born Todd Chaisson). ...
This is a list of fictional characters in the Kirby video game series developed by Nintendo.
(Tuffs) A sedimentary rock which has been formed by the compaction and consolidation of volcanic ash. Fine green slates of the Tilberthwaite quarries are tuffs.
Ash and other ejecta which has consolidated into a rock deposit.
Rock. A volcanic rock composed of pyroclastic fragments, fine ash, or both. The particles may be melted slightly by the volcanic heat to produce a welded tuff.
Consolidated pyroclastic material. See also WELDED TUFF.
A rock formed of compacted volcanic fragments, generally less than 4mm in diameter.