A glacier next to a nearby zinc and lead mine has retreated since the site closed in 1990, exposing an outcrop of metal-rich ore, where drilling will start again soon.

一座铅锌矿在1990年关闭后，周围的冰川就不断缩小，暴露出金属含量丰富的矿石，因此钻井工作将会很快开始。

youdao

The gold-rich ore bodies occurrs in the winding part of NNE-trending fractures on strike and transforming part from steeply dipping to gently dipping on dip direction.

富金矿体在走向上一般分布于NNE向断裂的转折地段，倾向上分布于断裂产状由陡变缓的过渡部位。

youdao

A major outbreak of lead poisoning in children has been occurring in Zamfara State, Nigeria since at least March 2010, related to the processing of lead-rich ore for the extraction of gold.

至少自2010年3月以来，尼日利亚扎姆法拉州就出现了儿童铅中毒大暴发，这与从含铅丰富的矿石中提取黄金有关。

youdao

Out there in the desolate, lunar like desert of northern Chile is a mineral-rich ore called caliche -- once known as white gold.

FORBES: Patricio Contesse's white gold

Depending on whether it was just a fluke occurrence or a sign that the constitution of the oil sands it processes is changing, the company could either retool its extraction process or, if the problem is a short-term one, blend the rich ore with more normal inputs.

FORBES: Suncor Invests In Redemption

Suncor has run into an extra rich piece of ore with a high coal component, he said, which caused problems in the extraction process.

FORBES: Magazine Article