The Collaborative International Dictionary
Blackband
Blackband \Black"band`\, n. (Min.) An earthy carbonate of iron containing considerable carbonaceous matter; -- valuable as an iron ore.
Wiktionary
blackband
n. (context mineral English) An earthy carbonate of iron containing considerable carbonaceous matter, valuable as an iron ore.
Usage examples of "blackband".
The iron trade was in its infancy, and those engaged in it lacked the resources for the acquisition of wealth that were evolved from the discovery of blackband mineral deposits by Mushet, the application of the hot blast by Neilson, and the introduction of other more economical modes of working.