铁矿的英文：
ironstone

Why can't run-of-mine iron ore be directly put into blast furnace for extraction?
为什么生铁矿不能直接用于高炉冶炼?

The steel mill contracted for ten million tons of iron ore.
炼钢厂立约订购1000万吨铁矿。

Magnetic techniques are most suitable in the search for iron in this form.
磁法最适用于勘探这类铁矿。

Although much of the high-grade ore has been used, there remains enough low-grade ore to last for centuries
品位高的富铁矿已经开采很多，品位低的铁矿还够开采若干个世纪。

And neon-21 was found in josephinite by the bern researchers
伯尔尼的研究人员在镍铁矿中发现了氖－21。

Of or relating to the rocks,ore deposits,and springs produced by such emanations.
热液喷发的属于或与这种喷发而形成的岩石、铁矿、喷泉有关的

A black,red - brown,or colorless mineral,essentially(Fe,Mn(Nb,Ta)2O6,the principal ore of niobium.
铌铁矿一种黑色的、红褐色或无色矿物，本质是(Fe，Mn)(Nb，Ta)2O6，是主要的铌矿

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。

Because this fact was no recognized, the early magnetic prospecting for iron deposits was spectacularly unsuccessful
由于不了解这个事实，因此早期为寻找铁矿进行磁法勘深，遭到了惊人的失败。