argentiferous


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Words related to argentiferous

containing or yielding silver

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Bournonite, native antimony and argentiferous tetrahedrite are common as microscopic inclusions in galena.
"Barren" mine water from the lower levels of the mine which contains low copper values is used to leach the stockpiles of argentiferous pyrite.
Mineralogical and metallurgical studies of the Cove ore showed that a significant amount of silver in the pyrite concentrate is associated with argentiferous galena in the ore.
The San Carlos replacement deposit of argentiferous galena, mined briefly in the late 19th century and again from ca.
Copper and lead-zinc ores, at times argentiferous, have been mined on a small scale (a few thousand mt high-grade ore) in Uige province.
The San Carlos replacement deposit of argentiferous galena and secondary minerals was exploited through the Apex mine in the late 1800s and again from around 1930 to 1952.
Among the base-metal sulphides, argentiferous galena is by far the most common, though sphalerite (ZnS) and the various sulphides of copper can contain silver.
Argentiferous galena has been mined from near-surface vein exposures in the Tafilalt district for centuries, but now the emphasis is on specimens, and these typically hefty barite crystal groups are being taken out by a local specimen-mining cooperative.
Meanwhile the silver of Novo Brdo and Rudnik, extracted from argentiferous lead ores, was used for coinage by successive despots: the first Serbian silver dinars were made at these mines.
He offered for sale a boxed collection of 12 specimens of Arizona Territory minerals (fluorite, native gold, chalcocite, malachite, chalcopyrite, smoky quartz, native copper, petrified wood, azurite crystals, cuprite, argentiferous galena, and "argentiferous quartz") for 50 cents.
Other collectible species include: native silver, pyrargyrite, argentiferous tetrahedrite, freibergite, sphalerite, galena, quartz, siderite, pyrite, marcasite, boulangerite, jamesonite, acanthite, cerussite, hawleyite (type locality), barite and anglesite.
Later, mining attention shifted to the auriferous and argentiferous oxidized lead ores.
In the Mazarron-Aguilas district, the first documented mines date from 1587 (Gonzalez, 1832), when Juan Bautista Genoves got permission from the Government to work several argentiferous pedreras (gravel dumps) in Mazarron village; probably these were ancient Roman dumps of Pb-Ag ores or slags.
The earliest record of mining in the district is from 1289, when a group of Italian miners began digging, presumably for argentiferous galena.
Argentiferous galena occurs sporadically as unremarkable specimens, especially at Cerro Chico where it is found with sphalerite.