| Webster's Online Dictionary |
| Part of Speech | Definition | |
| Expression | 1. (Mining), a crack in the earth's surface filled with mineral matter. --Raymond.[Websters]. | |
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| Expressions | Definition | ||
| Fissure vein | (Mining), a crack in the earth's surface filled with mineral matter. --Raymond. Source: Webster's Revised Unabridged Dictionary. | ||
Source: compiled by the editor from various references; see credits. | Top | ||
| Expressions | Domain | Definition | |
| Fissure vein | Mining | A mineral mass, tabular in form as a whole but frequently irregular in detail, occupying a fracture in rock. The vein material is different from the country rock and has generally been produced by the filling of open spaces along the fissure. See also: true vein. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||