n.菱铁矿；陨铁
siderite rock───菱铁矿
siderite ore───菱铁矿
siderite feco3───菱铁矿feco3
siderite xrd───菱铁矿xrd
siderite ksp───菱铁矿ksp
siderite uses───菱铁矿用途
siderite acid───菱铁矿酸
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。
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。
The paper introduced the experimental research and practice on recovering siderite form gold ore tailings in Hubei Sanxin Gold Copper Co.───介绍了湖北三鑫金铜股份有限公司从金矿尾矿中回收菱铁矿的试验探索，以及回收菱铁矿的生产实践。
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。
They focused on two minerals, magnetite and siderite, that can provide a bellwether of the CO2 concentrations in the atmosphere.───他们重点分析了两种矿物：磁铁矿和菱铁矿，这两种矿物可以为大气中的二氧化碳浓度提供征兆。
grey kaolinite with pyrite or minor oolitic siderite.───灰色含黄铁矿或少量鲕状菱铁矿高岭土矿。
ankerite and later siderite with calcite and quartz.───铁白云石和后期含方解石和石英的菱铁矿。
Siderite, ferrous carbonate, FeCO3. When pure it contains 48. 2 % of iron. It varies in colour from pale yellow to brown.───菱铁矿碳酸亚铁，FeCO3。理论含铁量为48.2%。颜色从浅黄到褐色，不一。
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They focused on two minerals, magnetite and siderite, that can provide a bellwether of the CO2 concentrations in the atmosphere.
Calcite, siderite, barite and others don't contain gold.
The pyrite and siderite associated with the ores have been oxidized into limonite, hemitite and goethite.
IV. carbonate mineral contain iron , include siderite, ankerite, etc.
Siderite is vastly developed in the Longtan, Changxing formations in southwestern mine area, Zhijin coalfield.
During metamorphization the siderite is transformed into magnetite under the action of high temperature and high pressure, while other Fe-bearing carbonate rocks are changed in to skarns.
Mineral resources of coal, red siderite, limonite, chromite, gold, copper, limestone, gypsum and so on.
The composition analysis of five-component mixed minerals of siderite, kaolinite, dolomite, calcite and quartz has been analyzed inN_2.