• (n.) An earthy carbonate of iron containing considerable carbonaceous matter; -- valuable as an iron ore.
Found on
http://thinkexist.com/dictionary/meaning/blackband/
Black'band` noun (Min.) An earthy carbonate of iron containing considerable carbonaceous matter; -- valuable as an iron ore.
Found on
http://www.encyclo.co.uk/webster/B/60
Blackband or black-band is an earthy carbonate of iron containing considerable carbonaceous matter and valuable as an iron ore. Blackband occurs in beds in the coal-measures, and contains 10 or 15 or even 30 per cent of coaly matter. Most of the Scotch iron was obtained from it.
Found on
http://www.probertencyclopaedia.com/browse/HB.HTM
No exact match found.
