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1)  stratabound siderite
层控菱铁矿
1.
Mechanism of stratabound siderite deposit in center Yunnan;
滇中地区层控菱铁矿成因机制探讨
2)  siderite layer
菱铁矿层
1.
Based on research findings of predecessors,analyzed siderite layer occurrence characteristics and sedimentary facies,reckoned that the siderite in the area can be reduced into 9 modalities,their sedimentary facies have meadow facies,sand and mud tidal flat facies,desalinating lagoon facies,barrier bar facies and open sea carbonate platform tidal flat facies,most of them have facies directivities.
织金煤田西南矿区龙潭组、长兴组广泛发育菱铁矿层。
3)  siderite [英]['sidərait]  [美]['sɪdə,raɪt]
菱铁矿
1.
Test Research on Beneficiation of Wangjiatan Siderite Ore by Roasting;
王家滩菱铁矿焙烧选矿试验研究
2.
Siderite Magnetization by Suspension Roasting and Effect of Cooling Conditions on Product;
悬浮态磁化焙烧菱铁矿及冷却条件对产品的影响
3.
Explorative Research on Beneficiation of Siderite and Its Development Prospect;
菱铁矿的选矿开发研究与发展前景
4)  pistomesite
菱镁铁矿
5)  oligonite
菱锰铁矿
6)  siderite [英]['sidərait]  [美]['sɪdə,raɪt]
菱铁矿FeCO3
补充资料:菱铁矿
菱铁矿
siderite

   铁的碳酸盐矿物,成分为Fe[CO3]。经常有锰、镁等替代铁,形成锰菱铁矿、镁菱铁矿等变种。三方晶系,晶体呈菱面体,晶面往往弯曲;集合体呈粒状、块状或结核状。显晶质球粒状的称球菱铁矿;隐晶质凝胶状的称胶菱铁矿。菱铁矿一般呈灰白或黄白色,风化后呈褐色、褐黑色。莫氏硬度4,比重3.7~4.0,随成分中Mn和Mg含量的升高而降低。热液成因的菱铁矿常见于金属矿脉中;沉积成因的菱铁矿常见于页岩层、粘土层和煤层中。在氧化带易水解成褐铁矿,形成铁帽。菱铁矿大量聚集而且硫、磷等有害杂质的含量小于0.04%时,可作为铁矿石开采。
   
   

菱铁矿标本

菱铁矿标本

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