gravity classification

gravity classification

[′grav·əd·ē ‚klas·ə·fə¦kā·shən]
(mining engineering)
The grading of ores, or the separation of waste from coal, by the differences in specific gravities of the substances.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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