siderite

基本解釋

And then studied the origin and lithofacies meaning of siderite.
在此基礎(chǔ)上研究了菱鉄鑛的成因和巖相意義。
Calcite, siderite, barite and others don’t contain gold.
方解石、菱鉄鑛、重晶石等不含金。
IV.carbonate mineral contain iron, include siderite, ankerite, etc.
四、含鉄碳酸鹽鑛物：有菱鉄鑛及鉄白雲(yún)石等。
The pyrite and siderite associated with the ores have been oxidized into limonite, hemitite and goethite.
黃鉄鑛、菱鉄鑛變爲(wèi)褐鉄鑛、赤鉄鑛和針鉄鑛。
Mineral resources of coal, red siderite, limonite, chromite, gold, copper, limestone, gypsum and so on.
鑛藏資源有煤鑛、赤菱鉄鑛、褐鉄鑛、鉻鉄鑛、金、銅、石灰石、石膏等。

a pale yellow to brownish-black mineral consisting chiefly of iron carbonate in hexagonal crystalline form. It occurs mainly in ore veins and sedimentary rocks and is an important source of iron. Formula: FeCO3 (Also called chalybite)

菱鉄鑛
The δ13C PDB values of siderite are-3.21‰~-7.24‰,lower than those values of other sediment-type Fe deposit and sediment metamorphic–type Fe deposit.
清鎮(zhèn)式鉄鑛菱鉄鑛δ13CPDB爲(wèi)-3.21‰～-7.24‰,比其他沉積型、沉積變質(zhì)型鉄鑛低。
藍石英
多赤
豆?fàn)盍忖熻k
褐鉄鑛
褐紫色薄層狀含植物化石的砂質(zhì)菱鉄鑛
角礫狀菱鉄鑛
赤鉄鑛
菱鉄鑛鑛石
菱鉄鑛鉄質(zhì)巖
綠灰色砂質(zhì)菱鉄鑛
石英脈
菱鉄巖
粘土質(zhì)菱鉄鑛