Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption. Following ejection and deposition, the ash is lithified into a solid rock. [1] [2] Rock that contains …

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

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While tough and tuff sound the same, tough is the established adjective synonymous with resilience and strength. Tuff, on the other hand, is a seldom-used informal alternative or a …

2023年8月15日 · Tuff rock, also simply known as “tuff,” is a type of sedimentary rock that forms from the consolidation of volcanic ash and other volcanic debris. It is a unique rock type that …

tuff, a relatively soft, porous rock that is usually formed by the compaction and cementation of volcanic ash or dust.

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The tuff is light and porous, and none of the bones penetrate into the more compact rock.

2024年1月16日 · Tuff or ash tuff is a pyroclastic rock with at least 75% volcanic ash. Volcanic ash are particles no more than 2 mm ejected during a volcanic eruption. On the other hand, …

(Definition of tuff from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)