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a is a landform alongside a body of water which consists of loose particles. the particles composing a are typically made from rock, such as sand, gravel, shingle, pebbles, etc., or biological sources, such as mollusc shells or coralline algae.sediments settle in different densities and structures, depending on the local wave action and weather, creating different …

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prospecting for gold can be a fun hobby, though its a lot of work! you may be able to harvest gold flakes from rock if it contains gold among its minerals. the safest way to extract gold from rocks at home is to crush the rocks. however,...

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what is ? is a brass-yellow mineral with a bright metallic luster.it has a chemical composition of iron sulfide (fes 2) and is the most common sulfide mineral.it forms at high and low temperatures and occurs, usually in small quantities, in igneous, metamorphic, and sedimentary rocks worldwide. is so common that many geologists would consider it to …

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diffraction pattern of the 75-150 µm fraction of a crushed quartz

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