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Sand is a granular material composed of finely divided mineral particles. Sand has various compositions but is defined by its grain size. Sand grains are smaller than gravel and coarser than silt. Sand can also refer to a textural class of soil or soil type; i.e., a soil containing more than 85 percent sand-sized particles by mass.
May 26, 2024 · Sand is a mineral, rock, or soil particle with a diameter of 0.02 to 2 mm. It is mainly composed of quartz and other rock-forming minerals, and has various applications in industry, geology, and ecology.
- The Editors of Encyclopaedia Britannica
Learn about sand, a natural unconsolidated granular material composed of sand grains ranging from 1/16 to 2 mm in size. Discover how sand forms by weathering of rocks, what minerals are common in sand, and how sand varies in color and origin.
Mar 30, 2024 · Sand is a granular material of finely divided rock and mineral particles, ranging from 0.06 to 4.75 mm in size. Learn about the different types, origins, applications, and environmental consequences of sand, and how it relates to geology and human activities.
Learn the various meanings and uses of the word sand, from a loose granular material to a verb meaning to smooth or dress with sandpaper. See synonyms, examples, etymology, and related phrases of sand.
Oct 22, 2013 · Learn how sand is made of different materials, such as rocks, shells, and organisms, and how it reflects the history and environment of the beach. See microscope images of sand samples from Hawaii, California, and the Maldives.
Mar 17, 2017 · Learn about the different types, properties, and uses of sand, a ubiquitous and versatile natural material. Explore sand terminology, composition, shape, landforms, sounds, and more with examples and links.
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