- bog iron
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deposits of mixed oxides and hydroxides of iron formed when iron-bearing groundwater emerges onto the surface
Wikipedia foundation.
Wikipedia foundation.
Bog iron — refers to impure iron deposits that develop in bogs or swamps by the chemical or biochemical oxidation of iron carried in the solutions. In general, bog ores consist primarily of iron oxyhydroxides, commonly goethite (FeO(OH)). It was discovered… … Wikipedia
Bog iron — Iron I ron ([imac] [u^]rn), n. [OE. iren, AS. [=i]ren, [=i]sen, [=i]sern; akin to D. ijzer, OS. [=i]sarn, OHG. [=i]sarn, [=i]san, G. eisen, Icel. [=i]sarn, j[=a]rn, Sw. & Dan. jern, and perh. to E. ice; cf. Ir. iarann, W. haiarn, Armor. houarn.]… … The Collaborative International Dictionary of English
bog iron — noun see bog iron ore … Useful english dictionary
bog iron ore — Iron ore consisting of hydrated iron oxide minerals such as limonite and goethite formed by precipitation of groundwater flowing into wetlands. Bacterial action contributes to formation of the ore. Economically useful deposits can regrow within… … Universalium
bog iron ore — noun or bog iron : a porous variety of limonite * * * bog iron ore, a loose, porous variety of limonite found in bogs or water … Useful english dictionary
bog iron ore — pelkių rūda statusas T sritis chemija apibrėžtis Pelkių dugne nusėdęs geležies hidroksidas. atitikmenys: angl. bog iron ore; brown iron ore rus. болотная руда … Chemijos terminų aiškinamasis žodynas
bog-iron ore — /bog uy euhrn, bawg /, Mineral. a deposit of impure limonite formed in low, wet areas. Also called bog ore. [1780 90] * * * … Universalium
bog-iron ore — /bog uy euhrn, bawg /, Mineral. a deposit of impure limonite formed in low, wet areas. Also called bog ore. [1780 90] … Useful english dictionary
bog iron — noun an impure, porous form of limonite deposited in bogs … English new terms dictionary
bog iron ore — noun Deposit of porous, impure limonite found in bogs and swamps … Wiktionary