Definition of Brown iron ore. Meaning of Brown iron ore. Synonyms of Brown iron ore

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Definition of Brown iron ore

Brown iron ore
Brown Brown, a. [Compar. Browner; superl. Brownest.] [OE. brun, broun, AS. br?n; akin to D. bruin, OHG. br?n, Icel. br?nn, Sw. brun, Dan. bruun, G. braun, Lith. brunas, Skr. babhru. [root]93, 253. Cf. Bruin, Beaver, Burnish, Brunette.] Of a dark color, of various shades between black and red or yellow. Cheeks brown as the oak leaves. --Longfellow. Brown Bess, the old regulation flintlock smoothbore musket, with bronzed barrel, formerly used in the British army. Brown bread (a) Dark colored bread; esp. a kind made of unbolted wheat flour, sometimes called in the United States Graham bread. ``He would mouth with a beggar though she smelt brown bread and garlic.' --Shak. (b) Dark colored bread made of rye meal and Indian meal, or of wheat and rye or Indian; rye and Indian bread. [U.S.] Brown coal, wood coal. See Lignite. Brown hematite or Brown iron ore (Min.), the hydrous iron oxide, limonite, which has a brown streak. See Limonite. Brown holland. See under Holland. Brown paper, dark colored paper, esp. coarse wrapping paper, made of unbleached materials. Brown spar (Min.), a ferruginous variety of dolomite, in part identical with ankerite. Brown stone. See Brownstone. Brown stout, a strong kind of porter or malt liquor. Brown study, a state of mental abstraction or serious reverie. --W. Irving.

Meaning of Brown iron ore from wikipedia

- its occurrence as bog iron ore in meadows and marshes. In its brown form, it is sometimes called brown hematite or brown iron ore. Limonite is relatively...
- Iron mining in the United States produced 48 million metric tons of iron ore in 2019. Iron ore was the third-highest-value metal mined in the United States...
- Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in color from...
- black to steel or silver-gray, brown to reddish-brown, or red colors. It is mined as an important ore mineral of iron. It is electrically conductive....
- bog ores consist primarily of iron oxyhydroxides, commonly goethite (FeO(OH)). Iron-bearing groundwater typically emerges as a spring and the iron in it...
- composed of iron(II) carbonate (FeCO3). Its name comes from the Ancient Gr**** word σίδηρος (sídēros), meaning "iron". A valuable iron ore, it consists...
- as FeCr2O4, with the iron in the +2 oxidation state and the chromium in the +3 oxidation state. bauxite, when presented as an ore, or in m****ive form,...
- of brown iron ores; Iron ochre, brown iron ocher or lepidocrocite — γ-FeO(OH),: 236  a secondary mineral, a product of the oxidation of iron ore minerals...
- history of Alabama. Ironworks and foundries produced goods from the brown iron ore found on Roupes Cr****. Woodstock, known as North Bibb until 2000, is...
- : 236  a secondary mineral, a product of the oxidation of iron ore minerals, found in brown iron ores Sienna contains both limonite and a small amount of manganese...