sulphide ore

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• Kambalda type komatiitic nickel ore deposits — Kambalda type nickel ore deposits are a class of magmatic nickel copper ore deposit in which the physical processes of komatiite volcanology serve to enrich, concentrate and deposit nickel bearing sulfide within the lava flow environment of an… …   Wikipedia

• Volcanogenic massive sulfide ore deposit — Volcanogentic massive sulfide ore deposit at Kidd Mine, Timmins, Ontario, Canada, formed 2.4 billion years ago on an ancient seafloor. Volcanogenic massive sulfide ore deposits (VMS ) are a type of metal sulfide ore deposit, mainly Cu Zn Pb which …   Wikipedia

• Yellow copper ore — Yellow Yel low (y[e^]l l[ o]), a. [Compar. {Yellower} (y[e^]l l[ o]*[ e]r); superl. {Yellowest}.] [OE. yelow, yelwe, [yogh]elow, [yogh]eoluw, from AS. geolu; akin to D. geel, OS. & OHG. gelo, G. gelb, Icel. gulr, Sw. gul, Dan. guul, L. helvus… …   The Collaborative International Dictionary of English

• Yellow lead ore — Yellow Yel low (y[e^]l l[ o]), a. [Compar. {Yellower} (y[e^]l l[ o]*[ e]r); superl. {Yellowest}.] [OE. yelow, yelwe, [yogh]elow, [yogh]eoluw, from AS. geolu; akin to D. geel, OS. & OHG. gelo, G. gelb, Icel. gulr, Sw. gul, Dan. guul, L. helvus… …   The Collaborative International Dictionary of English

• gray copper ore — Tetrahedrite Tet ra*he drite, n. [So called because the crystals of the species are commonly tetrahedrons.] (Min.) A sulphide of antimony and copper, with small quantities of other metals. It is a very common ore of copper, and some varieties… …   The Collaborative International Dictionary of English

• Red lead ore — Lead Lead (l[e^]d), n. [OE. led, leed, lead, AS. le[ a]d; akin to D. lood, MHG. l[=o]t, G. loth plummet, sounding lead, small weight, Sw. & Dan. lod. [root]123.] 1. (Chem.) One of the elements, a heavy, pliable, inelastic metal, having a bright,… …   The Collaborative International Dictionary of English

• cadmium sulphide — noun ore of cadmium; a rare yellowish mineral consisting of cadmium sulphide in crystalline form • Syn: ↑greenockite • Hypernyms: ↑mineral …   Useful english dictionary

• Bell metal ore — Bell metal Bell met al A hard alloy or bronze, consisting usually of about three parts of copper to one of tin; used for making bells. [1913 Webster] {Bell metal ore}, a sulphide of tin, copper, and iron; the mineral stannite. [1913 Webster] …   The Collaborative International Dictionary of English

• brittle silver ore — Stephanite Steph an*ite, n. [So named after the Archduke Stephan, mining director of Austria.] (Min.) A sulphide of antimony and silver of an iron black color and metallic luster; called also {black silver}, and {brittle silver ore}. [1913… …   The Collaborative International Dictionary of English

• Feather ore — Feather Feath er (f[e^][th] [ e]r), n. [OE. fether, AS. fe[eth]er; akin to D. veder, OHG. fedara, G. feder, Icel. fj[ o][eth]r, Sw. fj[ a]der, Dan. fj[ae]der, Gr. ptero n wing, feather, pe tesqai to fly, Skr. pattra wing, feather, pat to fly, and …   The Collaborative International Dictionary of English

• Needle ore — Needle Nee dle (n[=e] d l), n. [OE. nedle, AS. n[=ae]dl; akin to D. neald, OS. n[=a]dla, G. nadel, OHG. n[=a]dal, n[=a]dala, Icel. n[=a]l, Sw. n[*a]l, Dan. naal, and also to G. n[ a]hen to sew, OHG. n[=a]jan, L. nere to spin, Gr. ne ein, and perh …   The Collaborative International Dictionary of English