An ore of iron found in boggy or swampy land; a variety of brown iron ore, or limonite.
Bog manganese, the hydrated peroxide of manganese.
See also: bog, bog
bog ore
bog ore
[′bäg ‚ȯr] (mineralogy) A poorly stratified accumulation of earthy metallic mineral substances, consisting mainly of oxides, that are formed in bogs, marshes, swamps, and other low-lying moist places. Also known as bog-mine ore.