bauxite铝土矿

Bauxite is an ore that contains aluminium. 铝土矿是一种含铝的矿石。Bauxite is a rock formed from a  reddish clay material called laterite  soil and is most commonly found in  tropical or subtropical regions.

铝土矿是一种红色的铁矾土，一般在热带或亚热带常见。 Bauxite is primarily comprised of  aluminum oxide compounds  (alumina), silica, iron oxides and  titanium dioxide.

铝土矿一般由氧化铝，二氧化硅，氧化铁和二氧化钛构成。