<p><strong>Noun</strong></p><ul><li>(Mining) a surficial mineral deposit formed by the concentration of small particles of heavy minerals, as gold, rutile, or platinum, in gravel or small sands.</li><li>The site of a form of mining, placer mining, in which a placer deposit is washed to separate the gold or other valuable minerals.</li></ul><p><strong>End of Response</strong></p>