fahlband


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fahlband

[′fäl‚bänt]
(geology)
A stratum containing metal sulfides; occurs in crystalline rock.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
In a few places the fahlbands were so sulfide-enriched that they could be economically mined for copper and cobalt.
Calcite veins were deposited along Permian fissures in Precambrian rocks, and native silver was precipitated at the intersections of fahlbands and fissures, when pyrrhotite in the bands reacted with the circulating, silver-bearing hydrothermal solutions at temperatures slightly above 250[degrees]C.
KONGSBERG REVISITED
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