siderite

And then studied the origin and lithofacies meaning of siderite.

在此基础上研究了菱铁矿的成因和岩相意义.

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IV. carbonate mineral contain iron , include siderite, ankerite, etc.

含铁碳酸盐矿物:有菱铁矿及铁白云石等.

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Calcite, siderite, barite and others don't contain gold.

方解石 、 菱铁矿 、 重晶石等不含金.

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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.

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