铁氧化物磷灰石矿床 (iron oxide-apatite deposits)，又被称为基鲁纳型铁矿，因1910年被详细描述的瑞典基鲁纳 (Kiruna)矿床而得名（是世界最大的铁矿床和描述最详细的矿床之一），另外它还被称为玢岩铁矿，磁铁磷灰石矿床等 ...

Seven bullets pounded into Juan López outside a small white church on a sunny September afternoon. Another environmental ...

Iron oxide, aluminum, and a catalyst are placed in a flowerpot. The reaction is extremely exothermic resulting in molten iron and aluminum dripping into sand below the flowerpot. The demonstration ...

The burning metals are reacting with oxygen in the air and producing metal oxides. Sparklers contain small pieces of iron. When you burn the iron it reacts with oxygen to make iron oxide ...

The sandy landscapes of southern Utah are home to a bizarre geological phenomenon. Brown-black balls ranging in size from a ...