1.   Here there are thick deposits of iron ore near the base of some rocks of oolitic limestone which are of Jurassic age.

2.   Most of this local iron ore was mined from shallow pits and from adits dug into the valley sides.

3.   Supplies of the raw material, iron ore, changed.

4.   The iron ore is easily extracted by quarrying with giant excavators.

5.   ...the highest-grade iron ore deposits in the world.

6.   He was a Swede, in iron ore, and he kept himself firmly to himself.

7.   Germany needed high-grade iron ore to feed the Ruhr, and Lansen was an important link in the chain providing it.

8.   They had to find and dig or mine the iron ore.

9.   The spa fad began to die just as iron ore was discovered on Teesside during the middle of the last century.

10.   Analysts also like CVRD because it owns much of the railways, ports and even ships used to transport the iron ore, gold and manganese it produces.