uneconomical

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Rio Tinto’s deal with Amazon Web Services is a vote of confidence for its Nuton venture, which uses bacteria and acid to extract copper from ore that was previously uneconomical to process.

From The Wall Street Journal

Rio signed a two-year supply pact with Amazon Web Services, a vote of confidence for its Nuton venture, which uses bacteria and acid to extract copper from ore that was previously uneconomical to process.

From The Wall Street Journal

Rio Tinto’s Nuton venture is using sulfuric acid and bacteria to remove copper from ores that are otherwise uneconomical to mine, which could boost domestic production.

From The Wall Street Journal

It is being restarted in partnership with Rio Tinto’s RIO -0.33%decrease; red down pointing triangle Nuton venture, which uses microbes to strip copper from ores that are otherwise uneconomical to mine.

From The Wall Street Journal

With the surge in gold prices, Winmill said new mines are coming online, while older ones that were uneconomical when gold was at $2,000 an ounce are looking to ramp up production.

From MarketWatch