Tuffs are further classified by their depositional environment, such as lacustrine tuff, subaerial tuff, or submarine tuff, or by the mechanism by which the ash was transported, such as fallout …

Some of the world’s largest deposits of vitric tuff are produced by eruptions through a large number of narrow fissures rather than from volcanic cones. In extensive deposits, tuff may vary …

The meaning of TUFF is a rock composed of the finer kinds of volcanic detritus usually fused together by heat.

Summary: Tuff vs. Tough Is it tuff or tough? Tough is an adjective that means strong or difficult and a verb that means to endure. Tuff is a type of rock, and is used in place of tough in some …

What is Tuff? Tuff is an igneous rock that forms from the products of an explosive volcanic eruption. In these eruptions, the volcano blasts rock, ash, magma and other materials from its …

May 17, 2025 · Tuff means something is cool, dope, or exciting. Something that’s tuff is something that’s considered cool, typically in a masculine sense. For example, if a clip of an …

Jan 25, 2013 · Tuff is a light volcanic rock made of compacted ash. Explore its formation, common types and uses in geology and construction.

Complicated and difficult to do Expressions meaning 'it isn't important to me' (Definition of tuff from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

The trilobite fossils were trapped between layers of petrified ash in sandstone, the product of old volcanic eruptions that settled on the sea floor and formed a green layer called a tuff.

Tuff (from Italian tufo) is a type of rock produced by the eruption of volcanoes. It consists of consolidated [1] volcanic ash ejected from vents during a volcanic eruption.