1. 矿石品位：ore concentration ==> 選鉱 | ore content ==> 矿石品位 | ore control ==> 矿控制
1. He said that the iron ore is a mixture of magnetite and hematite, and the iron content is between 25 percent and 62 percent.
2. The bigger firms have been content to pay whatever the spot price is for ore and pass on the premiums.
3. BIMCO calculations show that the Chinese iron ore content has declined since early 2008.
4. Iron ore is typically classified as high grade when its iron content is above 65 percent.
5. That price is for 66 percent iron content ore and includes tax and transport.