The volcanic rocks thousands meters in thickness serve as the ore source for the metallization.

厚达几千米的火山岩系为成矿提供了丰富的矿源；

youdao

The metallogenic system is the couple results of the same energy field, fluid field and different ore source field, and has good potential for ore prospecting.

这一成矿系统是同一能量场和流体场、不同矿源场之间耦合的结果。

youdao

Arizona is the United States' largest source of copper, primarily mined from a type of ore body known asporphyry copper deposits.

亚利桑那州有美国最丰富的铜矿资源，主要从一种含铜的斑岩矿床(asporphyry copper deposits)中开采。

youdao

How much it will cost Fortescue to produce a tonne of ore is the source of much debate in Australia's mining community.

ECONOMIST: Fortunes in the mining business come and go faster than ever

Port Hedland had closed three main iron ore ports in the Pilbara region, the world's largest source of iron ore, as the cyclone approached.

BBC: Australia hit by Tropical Cyclone Rusty

Unable to secure all the iron ore they need from Australia, a traditional source, traders in China have recently started to import from such places as Brazil.

ECONOMIST: On a roll