copper ore

copper ore
any rock containing commercial amounts of copper

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  • copper ore — raw copper mined from the Earth …   English contemporary dictionary

  • 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

  • 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

  • purple copper ore — Bornite Bor nite, n. [Named after Von Born, a mineralogist.] (Min.) A valuable ore of copper, containing copper, iron, and sulphur; also called {purple copper ore} (or {erubescite}), in allusion to the colors shown upon the slightly tarnished… …   The Collaborative International Dictionary of English

  • Purple copper ore — Purple Pur ple, a. 1. Exhibiting or possessing the color called purple, much esteemed for its richness and beauty; of a deep red, or red and blue color; as, a purple robe. [1913 Webster] 2. Imperial; regal; so called from the color having been an …   The Collaborative International Dictionary of English

  • Copper mining in Arizona — Position of Arizona Location State Arizona …   Wikipedia

  • Copper River and Northwestern Railway — U.S. National Register of Historic Places U.S. Historic District …   Wikipedia

  • gold-copper ore — noun Any gold ore that has a high copper content and therefore needs special processing before the normal cyanide process …   Wiktionary

  • gray copper ore — noun see gray copper …   Useful english dictionary

  • ruby copper ore — I. noun see cuprite II. noun see ruby copper …   Useful english dictionary

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