nSurturbrandA fibrous brown coal or bituminous wood.
Century Dictionary and Cyclopedia
nsurturbrandThe Icelandic name for lignite, which occurs in considerable quantity in various parts of the island, intercalated between beds of volcanic rocks and tuffs. The vegetation of which it is composed proves that the climate of Iceland has grown much colder than it was in Tertiary times.
Webster's Revised Unabridged Dictionary
Icel. surtarbrandr,; svartr, black + brandr, a firebrand