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  1. Tuff - Wikipedia

    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 tuff …

  2. Tuff | Volcanic Ash, Igneous Rock & Pyroclastic Material | Britannica

    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 …

  3. TUFF Definition & Meaning - Merriam-Webster

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

  4. What Does Tuff Mean on TikTok? Unpacking the Popular Slang

    May 17, 2025 · Tuff typically describes something that's cool or exciting, especially online, but it can mean other things, too. In this article, we'll explain those different meanings, go over how …

  5. Tuff or Tough – What’s the Difference? - Writing Explained

    Tuff is only correct when used as a noun that references a certain type of rock. If you are writing about a specific commercial product that includes tuff as part of a proper name, this usage is …

  6. Tuff - an igneous rock of explosive volcanic eruptions.

    If the ejected material is compacted and cemented into a rock, that rock will be called "tuff." Tuff is usually thickest near the volcanic vent and decreases in thickness with distance from the …

  7. Tuff Rock: Volcanic Origin, Types & Textures - Sandatlas

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

  8. Understanding ‘Tuff’: The Slang Term Redefined - SlangSphere.com

    Mar 29, 2025 · What does 'tuff' mean in slang? Explore the meaning, origins, and cultural significance of this playful term, along with examples and its rising popularity in today's lexicon.

  9. Tuff Rock | Properties, Formation, Uses » Geology Science

    May 13, 2019 · Major minerals found in tuff include quartz, feldspar (both plagioclase and potassium feldspar), mica, volcanic glass, and various accessory minerals. The presence of …

  10. What is Tuff, Its Composition, Formation, and Uses?

    Jan 16, 2024 · Volcanic ash that forms tuff is deposited instantaneously on a geological time scale and on an extensive scale. It is, therefore, a useful stratigraphic marker.