Examples are automatically compiled from online sources to
show current usage.Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
The concentration of nickel in ultramafic soil is probably too low to open a proper mine, but too high to grow crops and other vegetation.—Matt Simon, WIRED, 21 Mar. 2024 But since then, researchers have melted ultramafic rocks, which are rich in iron and magnesium and are highly conductive.—Patrick Morgan, Discover Magazine, 15 May 2011 Quarrying, crushing, and grinding ultramafic rocks would cost only about $10 per ton of CO2 absorbed, Wilson and her team estimate.—Robert F. Service, Science | AAAS, 3 Sep. 2020 Wilson and her colleagues sprayed the mine’s ultramafic rock tailings with dilute sulfuric acid, causing magnesium to leach out.—Robert F. Service, Science | AAAS, 3 Sep. 2020
Share