Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A system of working in ore, etc., when it lies not in strata or veins, but in solid masses, so as to be worked in chambers or stories.
  • n. A metalliferous deposit characterized by the impregnation of the mass of rock with many small veins or nests irregularly grouped, especially common with tin ore.

from the GNU version of the Collaborative International Dictionary of English

  • n. A system of working in ore, etc., when it lies not in strata or veins, but in solid masses, so as to be worked in chambers or stories.
  • n. A metalliferous deposit characterized by the impregnation of the mass of rock with many small veins or nests irregularly grouped. This kind of deposit is especially common with tin ore. Such deposits are worked in floors or stories.

from The Century Dictionary and Cyclopedia

  • n. In mining, that kind of ore-deposit in which the ore is pretty generally or uniformly distributed through a large mass of rock, so that the excavations are not limited to a certain narrow zone, as they are in the case of an ordinary fissure-vein.

Etymologies

German Stockwerk. (Wiktionary)

Examples

  • The, quartz sulfide stockwork, which is the host rock for mineralization, trends east and west of our recent drilling in this area and remains open on both ends and at depth for additional drilling.

    U.S. Precious Metals Announces Results from Drill Hole # 7 - Yahoo! Finance

  • Preliminary geological mapping and projection of FMR intercepts in drill holes suggest that the REE mineralization consists of dikes and adjacent stockwork with dimensions of roughly 700 feet (210 meters) east-west by 250 feet (75 meters) north-south, and the mineralization is open to the east.

  • Detailed mapping suggests that the REE mineralization consists of northwest-striking FMR dikes and an FMR stockwork zone that is elongate northeasterly, with dimensions of roughly 1250 feet (380 meters) by 950 feet (290 meters).

  • The strongest mineralization encountered was a zone of intercalated "salami" granite, andesite, and aplite containing a stockwork to sheeted quartz + pyrite veinlets with visible gold, identified in a hole located approximately two kilometres southeast of the deposit.

  • The rocks are weakly to moderately altered with sericite, silica, and fine quartz stockwork veinlets.

  • Overall, the mineralization occurs in a sericite-carbonate +/- albite altered dacitic volcanic complex with zones of quartz veins, quartz stockwork and quartz breccias.

  • Quartz-sulfide stockwork veinlets and associated fine disseminated chalcopyrite are ubiquitous throughout the entire hole.

  • Ubiquitous fine disseminated chalcopyrite is generally correlative with the density of quartz-sulfide stockwork veinlets, which peak at a density of about 40% by volume near 275 meters, and gradually diminish to about 5% by volume at the end of the hole.

  • Disseminated chalcopyrite is ubiquitous and generally correlates with the density of quartz-sulfide stockwork veinlets, which peak at a volume of about 30% near 150 meters, and very gradually diminish to a volume of about 5% at the end the hole.

  • A 3200 meter drilling program in 2005 led to the encouraging discovery of broad stockwork and narrower high-grade zones, with concentrations as high as 49.30 ppm gold across 1.53 meters.

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