在此基础上研究了菱铁矿的成因和岩相意义。
The pyrite and siderite associated with the ores have been oxidized into limonite hemitite and goethite.黄铁矿、菱铁矿变为褐铁矿、赤铁矿和针铁矿。
The pyrite and siderite associated with the ores have been oxidized into limonite hemitite and goethite .黄铁矿、菱铁矿变为褐铁矿、赤铁矿和针铁矿。