Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A stratum in crystalline rock that contains metallic sulfides.

from the GNU version of the Collaborative International Dictionary of English

  • n. A stratum in crystalline rock, containing metallic sulphides.

from The Century Dictionary and Cyclopedia

  • n. A belt or zone of rock impregnated with sulphureted metalliferous combinations which are liable to decomposition, thus giving the rock a disintegrated or faded appearance.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

German

Examples

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